{"id":39831,"date":"2026-02-24T12:21:20","date_gmt":"2026-02-24T09:21:20","guid":{"rendered":"https:\/\/fatihsoysal.com\/blog\/kesintisiz-dagitimlar-neden-bu-kadar-onemli\/"},"modified":"2026-02-24T12:21:20","modified_gmt":"2026-02-24T09:21:20","slug":"kesintisiz-dagitimlar-neden-bu-kadar-onemli","status":"publish","type":"post","link":"https:\/\/fatihsoysal.com\/blog\/kesintisiz-dagitimlar-neden-bu-kadar-onemli\/","title":{"rendered":"Kesintisiz Da\u011f\u0131t\u0131mlar Neden Bu Kadar \u00d6nemli?"},"content":{"rendered":"DOKS’ta Gateway API ile Mavi-Ye\u015fil Da\u011f\u0131t\u0131mlar<\/title><\/p>\n<style>\n body {\n font-family: Arial, sans-serif;\n line-height: 1.6;\n color: #333;\n max-width: 960px;\n margin: 0 auto;\n padding: 20px;\n }\n h2 {\n color: #2c3e50;\n margin-top: 30px;\n padding-bottom: 10px;\n border-bottom: 2px solid #3498db;\n }\n h3 {\n color: #34495e;\n margin-top: 20px;\n }\n pre {\n background-color: #ecf0f1;\n padding: 15px;\n border-radius: 5px;\n overflow-x: auto;\n white-space: pre-wrap;\n word-wrap: break-word;\n }\n code {\n font-family: \"Courier New\", Courier, monospace;\n color: #c0392b;\n }\n pre code {\n color: #2c3e50;\n }\n ul {\n list-style-type: disc;\n margin-left: 20px;\n }\n ol {\n list-style-type: decimal;\n margin-left: 20px;\n }\n table {\n width: 100%;\n border-collapse: collapse;\n margin: 20px 0;\n }\n table, th, td {\n border: 1px solid #ddd;\n }\n th, td {\n padding: 10px;\n text-align: left;\n }\n th {\n background-color: #f2f2f2;\n }\n .expert-tip {\n background-color: #e8f6f3;\n border-left: 5px solid #1abc9c;\n padding: 15px;\n margin: 20px 0;\n font-style: italic;\n color: #2c3e50;\n }<\/p>\n<p> \/* Mobil uyumluluk i\u00e7in media query *\/\n @media (max-width: 768px) {\n body {\n padding: 15px;\n }\n h2 {\n font-size: 24px;\n }\n h3 {\n font-size: 20px;\n }\n pre {\n padding: 10px;\n }\n table {\n display: block;\n overflow-x: auto;\n white-space: nowrap;\n }\n table thead, table tbody, table th, table td, table tr {\n display: block;\n }\n table tr {\n margin-bottom: 15px;\n }\n table td {\n text-align: right;\n padding-left: 50%;\n position: relative;\n }\n table td::before {\n content: attr(data-label);\n position: absolute;\n left: 0;\n width: 45%;\n padding-left: 15px;\n font-weight: bold;\n text-align: left;\n }\n }\n<\/style>\n<h2>Kesintisiz Da\u011f\u0131t\u0131mlar Neden Bu Kadar \u00d6nemli?<\/h2>\n<p>Modern yaz\u0131l\u0131m geli\u015ftirme d\u00fcnyas\u0131nda, kullan\u0131c\u0131 deneyimi her \u015feyden \u00f6nemlidir. Bir uygulaman\u0131n yeni bir s\u00fcr\u00fcm\u00fcn\u00fc canl\u0131ya al\u0131rken ya\u015fanan kesintiler, m\u00fc\u015fteri kayb\u0131na, marka itibar\u0131n\u0131n zedelenmesine ve dolay\u0131s\u0131yla ciddi finansal zararlara yol a\u00e7abilir. \u00d6zellikle rekabetin yo\u011fun oldu\u011fu sekt\u00f6rlerde, kesintisiz hizmet sunmak adeta bir zorunluluk haline gelmi\u015ftir. Peki, bu zorlu\u011fun \u00fcstesinden nas\u0131l gelinebilir? Geleneksel da\u011f\u0131t\u0131m y\u00f6ntemleri genellikle hizmet kesintileriyle sonu\u00e7lan\u0131rken, Mavi-Ye\u015fil da\u011f\u0131t\u0131m stratejileri bu soruna zarif bir \u00e7\u00f6z\u00fcm sunar. Bu makalede, DigitalOcean Kubernetes (DOKS) \u00fczerinde, Kubernetes Gateway API’nin g\u00fcc\u00fcn\u00fc kullanarak nas\u0131l kesintisiz ve g\u00fcvenli Mavi-Ye\u015fil da\u011f\u0131t\u0131mlar ger\u00e7ekle\u015ftirebilece\u011finizi ad\u0131m ad\u0131m ke\u015ffedece\u011fiz. B\u00f6ylece, yeni \u00f6zelliklerinizi h\u0131zla ve g\u00fcvenle kullan\u0131c\u0131lar\u0131n\u0131za ula\u015ft\u0131r\u0131rken, olas\u0131 sorunlarda h\u0131zl\u0131ca geri d\u00f6nebilme yetene\u011fi kazanacaks\u0131n\u0131z.<\/p>\n<p>G\u00fcn\u00fcm\u00fcz\u00fcn \u00e7evik geli\u015ftirme d\u00f6ng\u00fclerinde, yaz\u0131l\u0131m g\u00fcncellemelerinin s\u0131kl\u0131\u011f\u0131 giderek artmaktad\u0131r. Her g\u00fcncelleme, beraberinde potansiyel riskleri de getirir. Bir yandan yeni \u00f6zellikler sunmak ve hatalar\u0131 d\u00fczeltmek isterken, di\u011fer yandan mevcut kullan\u0131c\u0131lar\u0131n kesintisiz bir deneyim ya\u015famas\u0131n\u0131 sa\u011flamak kritik bir dengedir. \u0130\u015fte tam da bu noktada, Mavi-Ye\u015fil da\u011f\u0131t\u0131m stratejileri devreye girerek bu dengeyi kurmam\u0131za yard\u0131mc\u0131 olur. Bu yakla\u015f\u0131m, \u00fcretim ortam\u0131nda iki \u00f6zde\u015f ortam\u0131n paralel olarak \u00e7al\u0131\u015ft\u0131r\u0131lmas\u0131 prensibine dayan\u0131r: biri “mavi” (mevcut canl\u0131 s\u00fcr\u00fcm), di\u011feri ise “ye\u015fil” (yeni s\u00fcr\u00fcm). Trafi\u011fi bu iki ortam aras\u0131nda ak\u0131ll\u0131ca y\u00f6nlendirerek, kesinti ya\u015fanmadan ge\u00e7i\u015f yapma imkan\u0131 sa\u011flan\u0131r. Dijital d\u00f6n\u00fc\u015f\u00fcmle birlikte, bulut tabanl\u0131 platformlar ve konteyner teknolojileri bu t\u00fcr stratejilerin uygulanmas\u0131n\u0131 \u00e7ok daha kolay hale getirmi\u015ftir. DigitalOcean Kubernetes (DOKS) gibi y\u00f6netilen Kubernetes hizmetleri, altyap\u0131 karma\u015f\u0131kl\u0131\u011f\u0131n\u0131 azalt\u0131rken, Kubernetes Gateway API ise geli\u015fmi\u015f trafik y\u00f6netimi yetenekleri sunarak da\u011f\u0131t\u0131m s\u00fcre\u00e7lerimizi bir \u00fcst seviyeye ta\u015f\u0131maktad\u0131r. Bu makalede, teorik bilgileri pratik uygulamalarla birle\u015ftirerek, DOKS ve Gateway API kullanarak g\u00fcvenilir bir Mavi-Ye\u015fil da\u011f\u0131t\u0131m boru hatt\u0131 olu\u015fturman\u0131n inceliklerini ele alaca\u011f\u0131z. Bu sayede, da\u011f\u0131t\u0131m risklerini minimize ederken, uygulaman\u0131z\u0131n s\u00fcrekli eri\u015filebilirli\u011fini garanti alt\u0131na alabileceksiniz.<\/p>\n<h2>Mavi-Ye\u015fil Da\u011f\u0131t\u0131m, DOKS ve Gateway API Nedir?<\/h2>\n<p>Kesintisiz da\u011f\u0131t\u0131m stratejilerini anlamak i\u00e7in \u00f6ncelikle temel ta\u015flar\u0131 iyi kavramam\u0131z gerekiyor. Bu b\u00f6l\u00fcmde, Mavi-Ye\u015fil da\u011f\u0131t\u0131m\u0131n ne anlama geldi\u011fini, DigitalOcean Kubernetes (DOKS) platformunun neden tercih edilmesi gerekti\u011fini ve Kubernetes’in yeni nesil trafik y\u00f6netim arac\u0131 olan Gateway API’nin sundu\u011fu avantajlar\u0131 detayl\u0131 bir \u015fekilde inceleyece\u011fiz. Bu kavramlar\u0131 anlamak, daha sonraki ad\u0131mlarda uygulayaca\u011f\u0131m\u0131z pratik \u00e7\u00f6z\u00fcmlerin temelini olu\u015fturacakt\u0131r.<\/p>\n<h3>Mavi-Ye\u015fil Da\u011f\u0131t\u0131m Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/h3>\n<p>Mavi-Ye\u015fil da\u011f\u0131t\u0131m, bir uygulaman\u0131n yeni s\u00fcr\u00fcm\u00fcn\u00fc canl\u0131ya al\u0131rken kesinti s\u00fcresini s\u0131f\u0131ra indirmeyi hedefleyen bir stratejidir. Bu modelde, \u00fcretim ortam\u0131nda biri mevcut kararl\u0131 s\u00fcr\u00fcm\u00fc (mavi ortam) bar\u0131nd\u0131ran, di\u011feri ise yeni s\u00fcr\u00fcm\u00fc (ye\u015fil ortam) i\u00e7eren iki \u00f6zde\u015f altyap\u0131 k\u00fcmesi veya ortam\u0131 bulunur. Her iki ortam da ayn\u0131 kaynaklara (veritabanlar\u0131, depolama vb.) eri\u015febilir, ancak kullan\u0131c\u0131lara sadece “mavi” ortam hizmet verirken, “ye\u015fil” ortam arka planda haz\u0131rlan\u0131r.<\/p>\n<p>Da\u011f\u0131t\u0131m s\u00fcreci \u015fu ad\u0131mlar\u0131 izler:<\/p>\n<ol>\n<li><strong>Mevcut S\u00fcr\u00fcm (Mavi):<\/strong> Uygulaman\u0131z\u0131n mevcut, \u00e7al\u0131\u015fan s\u00fcr\u00fcm\u00fc “mavi” ortamda aktif olarak hizmet vermektedir. T\u00fcm kullan\u0131c\u0131 trafi\u011fi bu ortama y\u00f6nlendirilmi\u015ftir.<\/li>\n<li><strong>Yeni S\u00fcr\u00fcm\u00fcn Haz\u0131rlanmas\u0131 (Ye\u015fil):<\/strong> Uygulaman\u0131z\u0131n yeni s\u00fcr\u00fcm\u00fc, “ye\u015fil” ortamda da\u011f\u0131t\u0131l\u0131r. Bu yeni ortam, mavi ortamla tamamen ayn\u0131 altyap\u0131ya sahiptir ancak hen\u00fcz canl\u0131 trafi\u011fi almamaktad\u0131r.<\/li>\n<li><strong>Test ve Do\u011frulama:<\/strong> Ye\u015fil ortamda yeni s\u00fcr\u00fcm da\u011f\u0131t\u0131ld\u0131ktan sonra, kapsaml\u0131 testler yap\u0131l\u0131r. Bu testler, entegrasyon testleri, performans testleri ve kullan\u0131c\u0131 kabul testlerini i\u00e7erebilir. Ama\u00e7, yeni s\u00fcr\u00fcm\u00fcn sorunsuz \u00e7al\u0131\u015ft\u0131\u011f\u0131ndan ve t\u00fcm gereksinimleri kar\u015f\u0131lad\u0131\u011f\u0131ndan emin olmakt\u0131r.<\/li>\n<li><strong>Trafik Ge\u00e7i\u015fi:<\/strong> Yeni s\u00fcr\u00fcm\u00fcn ba\u015far\u0131l\u0131 bir \u015fekilde test edilmesinin ard\u0131ndan, trafik y\u00f6nlendirme mekanizmas\u0131 (load balancer, API Gateway vb.) kullan\u0131larak t\u00fcm kullan\u0131c\u0131 trafi\u011fi an\u0131nda veya kademeli olarak “mavi” ortamdan “ye\u015fil” ortama ge\u00e7irilir. Bu ge\u00e7i\u015f, genellikle birka\u00e7 saniye i\u00e7inde tamamlan\u0131r ve kullan\u0131c\u0131lar i\u00e7in fark edilmez bir deneyim sunar.<\/li>\n<li><strong>Mavi Ortam\u0131n Korunmas\u0131:<\/strong> Trafik ye\u015fil ortama y\u00f6nlendirildikten sonra, mavi ortam hemen kapat\u0131lmaz. Bir s\u00fcre daha yedek olarak tutulur. E\u011fer ye\u015fil ortamda beklenmedik bir sorun ortaya \u00e7\u0131karsa, trafik h\u0131zla tekrar mavi ortama y\u00f6nlendirilebilir (rollback). Bu, h\u0131zl\u0131 bir geri alma mekanizmas\u0131 sa\u011flar ve olas\u0131 felaket senaryolar\u0131na kar\u015f\u0131 bir g\u00fcvenlik a\u011f\u0131 olu\u015fturur.<\/li>\n<li><strong>Mavi Ortam\u0131n G\u00fcncellenmesi\/Kapat\u0131lmas\u0131:<\/strong> Ye\u015fil ortam\u0131n sorunsuz \u00e7al\u0131\u015ft\u0131\u011f\u0131ndan emin olunduktan sonra, mavi ortam ya bir sonraki da\u011f\u0131t\u0131m i\u00e7in “ye\u015fil” ortam olarak g\u00fcncellenir ya da kaynak t\u00fcketimini azaltmak i\u00e7in kapat\u0131l\u0131r.<\/li>\n<\/ol>\n<p>Bu stratejinin en b\u00fcy\u00fck avantajlar\u0131 aras\u0131nda s\u0131f\u0131r kesinti s\u00fcresi, h\u0131zl\u0131 geri alma yetene\u011fi ve \u00fcretim ortam\u0131nda g\u00fcvenli test imkan\u0131 bulunur. Ancak, iki \u00f6zde\u015f ortam\u0131n y\u00f6netilmesi nedeniyle altyap\u0131 maliyetlerinin artmas\u0131 ve veritaban\u0131 \u015fema de\u011fi\u015fiklikleri gibi durumlar\u0131n dikkatli y\u00f6netilmesi gibi baz\u0131 zorluklar\u0131 da vard\u0131r.<\/p>\n<h3>DigitalOcean Kubernetes (DOKS) Neden Tercih Edilmeli?<\/h3>\n<p>Kubernetes, konteynerli uygulamalar\u0131 y\u00f6netmek i\u00e7in end\u00fcstri standard\u0131 haline gelmi\u015f g\u00fc\u00e7l\u00fc bir platformdur. Ancak, Kubernetes k\u00fcmesi kurmak ve y\u00f6netmek, \u00f6zellikle k\u00fc\u00e7\u00fck ve orta \u00f6l\u00e7ekli ekipler i\u00e7in karma\u015f\u0131k ve zaman al\u0131c\u0131 olabilir. \u0130\u015fte bu noktada DigitalOcean Kubernetes (DOKS) gibi y\u00f6netilen Kubernetes hizmetleri devreye girer.<\/p>\n<p>DOKS, DigitalOcean’\u0131n sundu\u011fu tam y\u00f6netilen bir Kubernetes hizmetidir. Bu, ana d\u00fc\u011f\u00fcmlerin (master nodes) ve kontrol d\u00fczleminin (control plane) DigitalOcean taraf\u0131ndan y\u00f6netildi\u011fi anlam\u0131na gelir, b\u00f6ylece siz sadece i\u015f y\u00fcklerinizi da\u011f\u0131tmaya ve uygulamalar\u0131n\u0131za odaklanabilirsiniz. DOKS’u tercih etmek i\u00e7in bir\u00e7ok ge\u00e7erli neden bulunmaktad\u0131r:<\/p>\n<ul>\n<li><strong>Kolay Kurulum ve Y\u00f6netim:<\/strong> DOKS, birka\u00e7 t\u0131klama veya basit bir CLI komutu ile Kubernetes k\u00fcmesi olu\u015fturman\u0131za olanak tan\u0131r. K\u00fcme y\u00fckseltmeleri, g\u00fcvenlik yamalar\u0131 ve altyap\u0131 y\u00f6netimi DigitalOcean taraf\u0131ndan \u00fcstlenilir, bu da operasyonel y\u00fck\u00fc \u00f6nemli \u00f6l\u00e7\u00fcde azalt\u0131r.<\/li>\n<li><strong>Maliyet Etkinli\u011fi:<\/strong> DigitalOcean, di\u011fer bulut sa\u011flay\u0131c\u0131lar\u0131na g\u00f6re daha uygun fiyatl\u0131 Droplet’ler (sanal makineler) sunar. DOKS ile sadece kulland\u0131\u011f\u0131n\u0131z kaynaklar i\u00e7in \u00f6deme yapars\u0131n\u0131z, bu da \u00f6zellikle ba\u015flang\u0131\u00e7 a\u015famas\u0131ndaki projeler ve b\u00fct\u00e7e dostu \u00e7\u00f6z\u00fcmler arayanlar i\u00e7in cazip hale gelir.<\/li>\n<li><strong>Entegrasyonlar:<\/strong> DigitalOcean ekosistemi i\u00e7inde, y\u00fck dengeleyiciler (Load Balancers), blok depolama (Block Storage), veritabanlar\u0131 (Managed Databases) ve izleme ara\u00e7lar\u0131 (Monitoring) gibi hizmetlerle sorunsuz entegrasyon sa\u011flar. Bu, uygulaman\u0131z i\u00e7in eksiksiz bir altyap\u0131 olu\u015fturmay\u0131 kolayla\u015ft\u0131r\u0131r.<\/li>\n<li><strong>\u00d6l\u00e7eklenebilirlik:<\/strong> Uygulaman\u0131z\u0131n ihtiya\u00e7lar\u0131na g\u00f6re d\u00fc\u011f\u00fcm havuzlar\u0131n\u0131 kolayca \u00f6l\u00e7eklendirebilirsiniz. DOKS, otomatik \u00f6l\u00e7eklendirme se\u00e7enekleri de sunarak trafi\u011fin yo\u011fun oldu\u011fu zamanlarda kaynaklar\u0131 otomatik olarak art\u0131r\u0131p azaltabilir.<\/li>\n<li><strong>Geli\u015ftirici Dostu:<\/strong> DigitalOcean, basit ve anla\u015f\u0131l\u0131r aray\u00fczleri, kapsaml\u0131 dok\u00fcmantasyonu ve g\u00fc\u00e7l\u00fc API’si ile geli\u015ftiriciler i\u00e7in kullan\u0131m\u0131 kolay bir platform sunar.<\/li>\n<\/ul>\n<p>K\u0131sacas\u0131, DOKS, Kubernetes’in g\u00fcc\u00fcnden faydalanmak isteyen ancak altyap\u0131 y\u00f6netimi karma\u015f\u0131kl\u0131\u011f\u0131yla u\u011fra\u015fmak istemeyen geli\u015ftiriciler ve ekipler i\u00e7in ideal bir \u00e7\u00f6z\u00fcmd\u00fcr. Mavi-Ye\u015fil da\u011f\u0131t\u0131m gibi karma\u015f\u0131k stratejileri uygularken, y\u00f6netilen bir hizmet kullanmak, da\u011f\u0131t\u0131m s\u00fcrecine odaklanman\u0131z\u0131 ve altyap\u0131 sorunlar\u0131yla daha az vakit kaybetmenizi sa\u011flar.<\/p>\n<h3>Kubernetes Gateway API Ne \u0130\u015fe Yarar?<\/h3>\n<p>Kubernetes ekosisteminde harici trafi\u011fi k\u00fcme i\u00e7indeki hizmetlere y\u00f6nlendirmek i\u00e7in uzun s\u00fcredir Ingress API kullan\u0131l\u0131yordu. Ancak Ingress, zamanla ortaya \u00e7\u0131kan karma\u015f\u0131k trafik y\u00f6netimi senaryolar\u0131 ve farkl\u0131 kullan\u0131m durumlar\u0131 i\u00e7in yetersiz kalmaya ba\u015flam\u0131\u015ft\u0131r. \u0130\u015fte bu noktada, Kubernetes Gateway API, Ingress’in eksikliklerini gidermek ve daha esnek, geni\u015fletilebilir bir trafik y\u00f6netimi \u00e7\u00f6z\u00fcm\u00fc sunmak \u00fczere tasarlanm\u0131\u015ft\u0131r.<\/p>\n<p>Gateway API, temel olarak \u00fc\u00e7 ana kaynak etraf\u0131nda d\u00f6ner:<\/p>\n<ol>\n<li><strong>GatewayClass:<\/strong> Bu kaynak, bir Gateway uygulamas\u0131n\u0131n (\u00f6rne\u011fin, NGINX, Istio, Envoy gibi bir proxy) yeteneklerini ve yap\u0131land\u0131rma \u015fablonunu tan\u0131mlar. K\u00fcme y\u00f6neticileri taraf\u0131ndan olu\u015fturulur.<\/li>\n<li><strong>Gateway:<\/strong> Bu kaynak, bir veya daha fazla a\u011f dinleyicisini (listener) ve bu dinleyicilerin hangi a\u011f adreslerinde (IP adresi, port) trafik kabul edece\u011fini belirtir. Ayn\u0131 zamanda, hangi HTTPRoute’lar\u0131n bu Gateway’e ba\u011flanabilece\u011fini de kontrol eder. Temel olarak, trafik giri\u015f noktas\u0131n\u0131 temsil eder.<\/li>\n<li><strong>HTTPRoute (veya di\u011fer Route t\u00fcrleri):<\/strong> Bu kaynak, belirli bir alan ad\u0131 (domain) veya yol (path) i\u00e7in trafi\u011fin nas\u0131l y\u00f6nlendirilece\u011fini, hangi servislere g\u00f6nderilece\u011fini ve geli\u015fmi\u015f \u00f6zelliklerin (y\u00fczde tabanl\u0131 trafik b\u00f6lme, ba\u015fl\u0131k manip\u00fclasyonu, yeniden y\u00f6nlendirme vb.) nas\u0131l uygulanaca\u011f\u0131n\u0131 tan\u0131mlar. Uygulama geli\u015ftiricileri ve ekip \u00fcyeleri taraf\u0131ndan y\u00f6netilir.<\/li>\n<\/ol>\n<p>Gateway API’nin Ingress’e g\u00f6re sundu\u011fu ba\u015fl\u0131ca avantajlar \u015funlard\u0131r:<\/p>\n<ul>\n<li><strong>Rol Tabanl\u0131 Mimari:<\/strong> K\u00fcme y\u00f6neticileri (GatewayClass, Gateway) ve uygulama geli\u015ftiricileri (HTTPRoute) aras\u0131ndaki sorumluluklar\u0131 net bir \u015fekilde ay\u0131r\u0131r. Bu, b\u00fcy\u00fck organizasyonlarda daha iyi bir y\u00f6netim ve g\u00fcvenlik sa\u011flar.<\/li>\n<li><strong>Geli\u015fmi\u015f Trafik Y\u00f6netimi:<\/strong> Y\u00fczde tabanl\u0131 trafik b\u00f6lme (weight-based routing), ba\u015fl\u0131k veya sorgu parametrelerine g\u00f6re y\u00f6nlendirme, yeniden yazma ve yeniden y\u00f6nlendirme gibi geli\u015fmi\u015f \u00f6zellikler do\u011frudan API’de yer al\u0131r. Bu \u00f6zellikler, Mavi-Ye\u015fil ve Canary da\u011f\u0131t\u0131mlar i\u00e7in hayati \u00f6neme sahiptir.<\/li>\n<li><strong>Geni\u015fletilebilirlik:<\/strong> Gateway API, \u00f6zel eklentiler ve uzant\u0131larla kolayca geni\u015fletilebilir. Bu, belirli bir proxy’nin veya altyap\u0131n\u0131n benzersiz yeteneklerinden tam olarak faydalanman\u0131z\u0131 sa\u011flar.<\/li>\n<li><strong>Ta\u015f\u0131nabilirlik:<\/strong> Farkl\u0131 Gateway uygulamalar\u0131 aras\u0131nda daha tutarl\u0131 bir yap\u0131land\u0131rma deneyimi sunar, bu da sa\u011flay\u0131c\u0131lar aras\u0131nda ge\u00e7i\u015f yapmay\u0131 kolayla\u015ft\u0131r\u0131r.<\/li>\n<\/ul>\n<p>Mavi-Ye\u015fil da\u011f\u0131t\u0131m ba\u011flam\u0131nda, Gateway API’nin y\u00fczde tabanl\u0131 trafik b\u00f6lme yetene\u011fi (<code>weight<\/code> alan\u0131) kritik bir rol oynar. Bu sayede, trafi\u011fi mavi ortamdan ye\u015fil ortama kademeli olarak ge\u00e7irebilir veya bir sorun durumunda h\u0131zla geri alabiliriz. Bu esneklik, kesintisiz da\u011f\u0131t\u0131m stratejilerinin temelini olu\u015fturur.<\/p>\n<h2>DOKS \u00dczerinde Mavi-Ye\u015fil Ortam\u0131n Kurulumu: Altyap\u0131m\u0131z\u0131 Nas\u0131l Haz\u0131rlar\u0131z?<\/h2>\n<p>Mavi-Ye\u015fil da\u011f\u0131t\u0131m stratejisini DOKS \u00fczerinde uygulamak i\u00e7in \u00f6ncelikle temel altyap\u0131m\u0131z\u0131 kurmam\u0131z ve yap\u0131land\u0131rmam\u0131z gerekiyor. Bu b\u00f6l\u00fcmde, bir DOKS k\u00fcmesi olu\u015fturmaktan, Gateway API kontrol\u00f6r\u00fcn\u00fc k\u00fcmemize da\u011f\u0131tmaya ve son olarak mavi ile ye\u015fil ortamlar\u0131m\u0131z\u0131 temsil edecek uygulama s\u00fcr\u00fcmlerini haz\u0131rlamaya kadar ad\u0131m ad\u0131m ilerleyece\u011fiz. Bu ad\u0131mlar, da\u011f\u0131t\u0131m s\u00fcrecinin sorunsuz i\u015flemesi i\u00e7in sa\u011flam bir temel olu\u015fturacakt\u0131r.<\/p>\n<h3>DOKS K\u00fcmesi Olu\u015fturma ve Yap\u0131land\u0131rma<\/h3>\n<p>DOKS k\u00fcmesi olu\u015fturmak, DigitalOcean kontrol panelinden veya <code>doctl<\/code> CLI arac\u0131yla olduk\u00e7a basittir. Genellikle birka\u00e7 dakika i\u00e7inde \u00e7al\u0131\u015fan bir Kubernetes k\u00fcmesine sahip olabilirsiniz. \u0130\u015fte temel ad\u0131mlar:<\/p>\n<ol>\n<li><strong>DigitalOcean Hesab\u0131 Olu\u015fturma:<\/strong> Hen\u00fcz bir hesab\u0131n\u0131z yoksa, DigitalOcean web sitesi \u00fczerinden bir hesap olu\u015fturun.<\/li>\n<li><strong>Kubernetes K\u00fcmesi Olu\u015fturma:<\/strong> DigitalOcean kontrol paneline giri\u015f yap\u0131n. Sol men\u00fcden “Kubernetes” se\u00e7ene\u011fine t\u0131klay\u0131n, ard\u0131ndan “Create a Kubernetes Cluster” d\u00fc\u011fmesine bas\u0131n.\n<ul>\n<li><strong>B\u00f6lge Se\u00e7imi:<\/strong> Uygulaman\u0131z\u0131n kullan\u0131c\u0131lar\u0131na en yak\u0131n b\u00f6lgeyi se\u00e7in (\u00f6rne\u011fin, Frankfurt, New York).<\/li>\n<li><strong>Kubernetes S\u00fcr\u00fcm\u00fc:<\/strong> En son kararl\u0131 s\u00fcr\u00fcm\u00fc se\u00e7meniz \u00f6nerilir.<\/li>\n<li><strong>D\u00fc\u011f\u00fcm Havuzu (Node Pool) Yap\u0131land\u0131rmas\u0131:<\/strong> Uygulaman\u0131z\u0131n ihtiya\u00e7lar\u0131na g\u00f6re Droplet boyutunu ve d\u00fc\u011f\u00fcm say\u0131s\u0131n\u0131 belirleyin. Mavi-Ye\u015fil da\u011f\u0131t\u0131m i\u00e7in en az iki ortam\u0131 bar\u0131nd\u0131rabilecek yeterli kayna\u011fa sahip olman\u0131z \u00f6nemlidir. Ba\u015flang\u0131\u00e7 i\u00e7in 3 adet 2vCPU \/ 4GB RAM Droplet yeterli olabilir.<\/li>\n<li><strong>K\u00fcme Ad\u0131:<\/strong> K\u00fcmenize a\u00e7\u0131klay\u0131c\u0131 bir ad verin (\u00f6rne\u011fin, <code>blue-green-doks-cluster<\/code>).<\/li>\n<\/ul>\n<\/li>\n<li><strong>K\u00fcme Kimlik Bilgilerini \u0130ndirme:<\/strong> K\u00fcme olu\u015fturulduktan sonra, <code>kubeconfig<\/code> dosyas\u0131n\u0131 indirmeniz gerekecektir. Bu dosya, <code>kubectl<\/code> arac\u0131n\u0131n k\u00fcmenizle ileti\u015fim kurmas\u0131n\u0131 sa\u011flar. <code>doctl kubernetes cluster kubeconfig save [k\u00fcme-ad\u0131]<\/code> komutu ile de bu i\u015flemi yapabilirsiniz.<\/li>\n<li><strong>kubectl Yap\u0131land\u0131rmas\u0131:<\/strong> \u0130ndirdi\u011finiz <code>kubeconfig<\/code> dosyas\u0131n\u0131 genellikle <code>~\/.kube\/config<\/code> dizinine yerle\u015ftirin veya <code>KUBECONFIG<\/code> ortam de\u011fi\u015fkenini ayarlayarak <code>kubectl<\/code>‘in do\u011fru k\u00fcmeyi hedeflemesini sa\u011flay\u0131n.<\/li>\n<\/ol>\n<p>Art\u0131k \u00e7al\u0131\u015fan bir DOKS k\u00fcmesine sahipsiniz. K\u00fcmenizin haz\u0131r olup olmad\u0131\u011f\u0131n\u0131 kontrol etmek i\u00e7in a\u015fa\u011f\u0131daki komutu kullanabilirsiniz:<\/p>\n<pre><code>\n kubectl get nodes\n<\/code><\/pre>\n<p>Bu komut, k\u00fcmenizdeki t\u00fcm d\u00fc\u011f\u00fcmleri listelemelidir.<\/p>\n<h3>Gateway API Kurulumu ve Temel Bile\u015fenleri<\/h3>\n<p>Kubernetes Gateway API, Ingress gibi varsay\u0131lan olarak bir kontrol\u00f6rle gelmez. Bir Gateway API uygulay\u0131c\u0131s\u0131n\u0131 (controller) k\u00fcmenize da\u011f\u0131tman\u0131z gerekir. Bu \u00f6rnekte, pop\u00fcler ve hafif bir se\u00e7enek olan NGINX Gateway Fabric’i kullanaca\u011f\u0131z. Di\u011fer se\u00e7enekler aras\u0131nda Istio, Contour, Envoy Gateway gibi projeler de bulunmaktad\u0131r.<\/p>\n<p>NGINX Gateway Fabric’i kurmak i\u00e7in a\u015fa\u011f\u0131daki ad\u0131mlar\u0131 izleyebilirsiniz:<\/p>\n<ol>\n<li><strong>Gateway API CRD’lerini Kurma:<\/strong> \u00d6ncelikle, Gateway API’nin \u00f6zel kaynak tan\u0131mlar\u0131n\u0131 (Custom Resource Definitions – CRD’ler) k\u00fcmenize kurman\u0131z gerekir. Bu, Gateway API kaynaklar\u0131n\u0131 kullanabilmenizi sa\u011flar.<\/li>\n<\/ol>\n<pre><code>\n kubectl apply -f https:\/\/github.com\/kubernetes-sigs\/gateway-api\/releases\/download\/v1.0.0\/standard-install.yaml\n<\/code><\/pre>\n<p>Bu komut, Gateway API’nin temel CRD’lerini kuracakt\u0131r. S\u00fcr\u00fcm numaras\u0131n\u0131 en g\u00fcncel olanla de\u011fi\u015ftirmeyi unutmay\u0131n.<\/p>\n<ol start=\"2\">\n<li><strong>NGINX Gateway Fabric Kontrol\u00f6r\u00fcn\u00fc Kurma:<\/strong> \u015eimdi NGINX Gateway Fabric kontrol\u00f6r\u00fcn\u00fc da\u011f\u0131tabiliriz. Bu kontrol\u00f6r, Gateway ve HTTPRoute kaynaklar\u0131n\u0131 izleyecek ve NGINX proxy’sini yap\u0131land\u0131racakt\u0131r.<\/li>\n<\/ol>\n<pre><code>\n kubectl apply -f https:\/\/raw.githubusercontent.com\/nginxinc\/nginx-gateway-fabric\/v1.0.0\/deploy\/manifests\/full.yaml\n<\/code><\/pre>\n<p>Yine, s\u00fcr\u00fcm numaras\u0131n\u0131 kontrol\u00f6r\u00fcn en g\u00fcncel s\u00fcr\u00fcm\u00fcyle g\u00fcncelleyin. Bu komut, <code>nginx-gateway<\/code> adl\u0131 bir namespace olu\u015fturacak ve kontrol\u00f6r\u00fc oraya da\u011f\u0131tacakt\u0131r. Kontrol\u00f6r\u00fcn \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 do\u011frulamak i\u00e7in:<\/p>\n<pre><code>\n kubectl get pods -n nginx-gateway\n<\/code><\/pre>\n<p>Pod’lar\u0131n “Running” durumunda olmas\u0131 gerekir.<\/p>\n<p>Kontrol\u00f6r kurulduktan sonra, bir <code>GatewayClass<\/code> kayna\u011f\u0131 otomatik olarak olu\u015fturulur. Bu, NGINX Gateway Fabric’in Gateway API’yi nas\u0131l uygulayaca\u011f\u0131n\u0131 tan\u0131mlar:<\/p>\n<pre><code>\n kubectl get gatewayclass\n<\/code><\/pre>\n<p>\u00c7\u0131kt\u0131da <code>nginx<\/code> ad\u0131nda bir <code>GatewayClass<\/code> g\u00f6rmelisiniz.<\/p>\n<h3>Mavi ve Ye\u015fil Ortamlar\u0131n Da\u011f\u0131t\u0131m\u0131<\/h3>\n<p>Mavi-Ye\u015fil da\u011f\u0131t\u0131m i\u00e7in, ayn\u0131 uygulaman\u0131n iki farkl\u0131 s\u00fcr\u00fcm\u00fcn\u00fc temsil eden iki ayr\u0131 Deployment ve Service olu\u015fturmam\u0131z gerekiyor. Bu \u00f6rnekte, basit bir web uygulamas\u0131n\u0131 kullanaca\u011f\u0131z ve s\u00fcr\u00fcm bilgisini g\u00f6sterece\u011fiz.<\/p>\n<p>\u00d6ncelikle, “mavi” ortam i\u00e7in Deployment ve Service tan\u0131mlayal\u0131m. Bu, uygulaman\u0131z\u0131n mevcut canl\u0131 s\u00fcr\u00fcm\u00fcn\u00fc temsil edecek:<\/p>\n<pre><code>\n # app-blue.yaml\n apiVersion: apps\/v1\n kind: Deployment\n metadata:\n name: my-app-blue\n labels:\n app: my-app\n version: blue\n spec:\n replicas: 3\n selector:\n matchLabels:\n app: my-app\n version: blue\n template:\n metadata:\n labels:\n app: my-app\n version: blue\n spec:\n containers:\n - name: my-app\n image: nginxdemos\/hello:plain-text # \u00d6rnek bir uygulama imaj\u0131\n ports:\n - containerPort: 80\n env:\n - name: MESSAGE\n value: \"Merhaba! Bu Mavi (v1) ortam.\"\n ---\n apiVersion: v1\n kind: Service\n metadata:\n name: my-app-blue-service\n labels:\n app: my-app\n version: blue\n spec:\n selector:\n app: my-app\n version: blue\n ports:\n - protocol: TCP\n port: 80\n targetPort: 80\n type: ClusterIP\n<\/code><\/pre>\n<p>Bu YAML dosyas\u0131n\u0131 <code>app-blue.yaml<\/code> olarak kaydedin ve k\u00fcmenize uygulay\u0131n:<\/p>\n<pre><code>\n kubectl apply -f app-blue.yaml\n<\/code><\/pre>\n<p>\u015eimdi de “ye\u015fil” ortam i\u00e7in Deployment ve Service tan\u0131mlayal\u0131m. Bu, uygulaman\u0131z\u0131n yeni s\u00fcr\u00fcm\u00fcn\u00fc temsil edecek:<\/p>\n<pre><code>\n # app-green.yaml\n apiVersion: apps\/v1\n kind: Deployment\n metadata:\n name: my-app-green\n labels:\n app: my-app\n version: green\n spec:\n replicas: 3\n selector:\n matchLabels:\n app: my-app\n version: green\n template:\n metadata:\n labels:\n app: my-app\n version: green\n spec:\n containers:\n - name: my-app\n image: nginxdemos\/hello:plain-text # Ayn\u0131 imaj\u0131 kullan\u0131yoruz, sadece mesaj farkl\u0131\n ports:\n - containerPort: 80\n env:\n - name: MESSAGE\n value: \"Merhaba! Bu Ye\u015fil (v2) ortam. Yeni \u00f6zellikler burada!\"\n ---\n apiVersion: v1\n kind: Service\n metadata:\n name: my-app-green-service\n labels:\n app: my-app\n version: green\n spec:\n selector:\n app: my-app\n version: green\n ports:\n - protocol: TCP\n port: 80\n targetPort: 80\n type: ClusterIP\n<\/code><\/pre>\n<p>Bu YAML dosyas\u0131n\u0131 <code>app-green.yaml<\/code> olarak kaydedin ve k\u00fcmenize uygulay\u0131n:<\/p>\n<pre><code>\n kubectl apply -f app-green.yaml\n<\/code><\/pre>\n<p>Bu ad\u0131mlarla, DOKS k\u00fcmenizde Gateway API kontrol\u00f6r\u00fcn\u00fc kurmu\u015f ve uygulaman\u0131z\u0131n mavi (v1) ve ye\u015fil (v2) s\u00fcr\u00fcmlerini ba\u011f\u0131ms\u0131z servisler olarak da\u011f\u0131tm\u0131\u015f oldunuz. Art\u0131k trafi\u011fi bu iki ortam aras\u0131nda y\u00f6nlendirmeye haz\u0131r\u0131z.<\/p>\n<div class=\"expert-tip\">\n Uzman \u0130pucu: Da\u011f\u0131t\u0131mlar\u0131n\u0131zda farkl\u0131 imaj etiketleri (\u00f6rne\u011fin, <code>my-app:v1.0<\/code> ve <code>my-app:v2.0<\/code>) kullanmak, hangi s\u00fcr\u00fcm\u00fcn hangi ortamda \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 daha net takip etmenizi sa\u011flar. Bu, \u00f6zellikle karma\u015f\u0131k CI\/CD boru hatlar\u0131nda hata ay\u0131klama s\u00fcrecini kolayla\u015ft\u0131r\u0131r.\n<\/div>\n<h2>Gateway API ile Trafik Y\u00f6netimi ve Da\u011f\u0131t\u0131m Stratejileri: Kesintisiz Ge\u00e7i\u015fleri Nas\u0131l Sa\u011flar\u0131z?<\/h2>\n<p>Altyap\u0131m\u0131z\u0131 haz\u0131rlay\u0131p mavi ve ye\u015fil ortamlar\u0131m\u0131z\u0131 da\u011f\u0131tt\u0131ktan sonra, s\u0131ra geldi Gateway API’nin g\u00fcc\u00fcn\u00fc kullanarak trafi\u011fi bu ortamlar aras\u0131nda nas\u0131l y\u00f6netece\u011fimize. Bu b\u00f6l\u00fcm, Gateway API ile basit bir Mavi-Ye\u015fil ge\u00e7i\u015fin nas\u0131l yap\u0131land\u0131r\u0131laca\u011f\u0131n\u0131 ve daha geli\u015fmi\u015f bir strateji olan a\u015famal\u0131 ge\u00e7i\u015fin (Canary da\u011f\u0131t\u0131m) nas\u0131l uygulanabilece\u011fini ad\u0131m ad\u0131m a\u00e7\u0131klayacakt\u0131r. Bu stratejiler, uygulamalar\u0131n\u0131z\u0131n kesintisiz ve g\u00fcvenli bir \u015fekilde g\u00fcncellenmesini sa\u011flar.<\/p>\n<h3>Basit Mavi-Ye\u015fil Ge\u00e7i\u015f Uygulamas\u0131<\/h3>\n<p>Mavi-Ye\u015fil da\u011f\u0131t\u0131m\u0131n temel prensibi, t\u00fcm trafi\u011fi bir anda eski s\u00fcr\u00fcmden yeni s\u00fcr\u00fcme ge\u00e7irmektir. Gateway API, <code>Gateway<\/code> ve <code>HTTPRoute<\/code> kaynaklar\u0131 arac\u0131l\u0131\u011f\u0131yla bu ge\u00e7i\u015fi kolayca y\u00f6netmemizi sa\u011flar.<\/p>\n<p>\u00d6ncelikle, trafi\u011fi d\u0131\u015f d\u00fcnyaya a\u00e7acak bir <code>Gateway<\/code> kayna\u011f\u0131 tan\u0131mlamam\u0131z gerekiyor. Bu Gateway, DigitalOcean Load Balancer ile entegre olacak ve d\u0131\u015far\u0131dan gelen istekleri alacakt\u0131r.<\/p>\n<pre><code>\n # my-gateway.yaml\n apiVersion: gateway.networking.k8s.io\/v1\n kind: Gateway\n metadata:\n name: my-app-gateway\n spec:\n gatewayClassName: nginx # NGINX Gateway Fabric'in sa\u011flad\u0131\u011f\u0131 GatewayClass\n listeners:\n - name: http\n protocol: HTTP\n port: 80\n allowedRoutes:\n namespaces:\n from: Same\n<\/code><\/pre>\n<p>Bu YAML dosyas\u0131n\u0131 <code>my-gateway.yaml<\/code> olarak kaydedin ve k\u00fcmenize uygulay\u0131n:<\/p>\n<pre><code>\n kubectl apply -f my-gateway.yaml\n<\/code><\/pre>\n<p><code>Gateway<\/code> kayna\u011f\u0131 da\u011f\u0131t\u0131ld\u0131ktan sonra, NGINX Gateway Fabric kontrol\u00f6r\u00fc otomatik olarak bir DigitalOcean Load Balancer olu\u015fturacak ve bu Load Balancer’\u0131n d\u0131\u015f IP adresini Gateway durumunda g\u00f6sterecektir. Bu IP adresini almak i\u00e7in:<\/p>\n<pre><code>\n kubectl get gateway my-app-gateway\n<\/code><\/pre>\n<p><code>ADDRESS<\/code> s\u00fctunundaki IP adresini not al\u0131n. Bu, uygulaman\u0131za eri\u015fece\u011finiz IP adresidir.<\/p>\n<p>\u015eimdi, ba\u015flang\u0131\u00e7ta t\u00fcm trafi\u011fi “mavi” ortama y\u00f6nlendirecek bir <code>HTTPRoute<\/code> tan\u0131mlayal\u0131m:<\/p>\n<pre><code>\n # httproute-blue.yaml\n apiVersion: gateway.networking.k8s.io\/v1\n kind: HTTPRoute\n metadata:\n name: my-app-route\n spec:\n parentRefs:\n - name: my-app-gateway\n hostnames:\n - \"my-app.example.com\" # Kendi alan ad\u0131n\u0131z\u0131 buraya yaz\u0131n veya test i\u00e7in kullanmay\u0131n\n rules:\n - matches:\n - path:\n type: PathPrefix\n value: \/\n backendRefs:\n - name: my-app-blue-service\n port: 80\n weight: 100 # T\u00fcm trafi\u011fi mavi servise y\u00f6nlendir\n<\/code><\/pre>\n<p>Bu YAML dosyas\u0131n\u0131 <code>httproute-blue.yaml<\/code> olarak kaydedin ve k\u00fcmenize uygulay\u0131n:<\/p>\n<pre><code>\n kubectl apply -f httproute-blue.yaml\n<\/code><\/pre>\n<p>Art\u0131k, <code>my-app.example.com<\/code> adresine (veya Gateway’in d\u0131\u015f IP adresine) gelen t\u00fcm istekler <code>my-app-blue-service<\/code>‘e y\u00f6nlendirilecektir. Taray\u0131c\u0131n\u0131zdan veya <code>curl<\/code> ile eri\u015fti\u011finizde “Merhaba! Bu Mavi (v1) ortam.” mesaj\u0131n\u0131 g\u00f6rmelisiniz.<\/p>\n<p>Uygulaman\u0131z\u0131n yeni s\u00fcr\u00fcm\u00fcn\u00fc (ye\u015fil) da\u011f\u0131tt\u0131\u011f\u0131n\u0131z\u0131 ve test etti\u011finizi varsayal\u0131m. \u015eimdi t\u00fcm trafi\u011fi “mavi”den “ye\u015fil” ortama ge\u00e7irme zaman\u0131 geldi. Bunun i\u00e7in tek yapman\u0131z gereken, <code>HTTPRoute<\/code> kayna\u011f\u0131n\u0131 g\u00fcncellemektir. <code>backendRefs<\/code> b\u00f6l\u00fcm\u00fcndeki <code>name<\/code> alan\u0131n\u0131 <code>my-app-green-service<\/code> olarak de\u011fi\u015ftirece\u011fiz:<\/p>\n<pre><code>\n # httproute-green.yaml (G\u00fcncellenmi\u015f HTTPRoute)\n apiVersion: gateway.networking.k8s.io\/v1\n kind: HTTPRoute\n metadata:\n name: my-app-route\n spec:\n parentRefs:\n - name: my-app-gateway\n hostnames:\n - \"my-app.example.com\"\n rules:\n - matches:\n - path:\n type: PathPrefix\n value: \/\n backendRefs:\n - name: my-app-green-service\n port: 80\n weight: 100 # T\u00fcm trafi\u011fi ye\u015fil servise y\u00f6nlendir\n<\/code><\/pre>\n<p>Bu g\u00fcncellenmi\u015f YAML dosyas\u0131n\u0131 (ayn\u0131 <code>httproute-blue.yaml<\/code> dosyas\u0131n\u0131 d\u00fczenleyip kaydedebilirsiniz) k\u00fcmenize uygulay\u0131n:<\/p>\n<pre><code>\n kubectl apply -f httproute-green.yaml\n<\/code><\/pre>\n<p>Gateway API kontrol\u00f6r\u00fc, <code>HTTPRoute<\/code>‘daki de\u011fi\u015fikli\u011fi alg\u0131layacak ve NGINX proxy yap\u0131land\u0131rmas\u0131n\u0131 an\u0131nda g\u00fcncelleyecektir. Art\u0131k uygulaman\u0131za eri\u015fti\u011finizde “Merhaba! Bu Ye\u015fil (v2) ortam. Yeni \u00f6zellikler burada!” mesaj\u0131n\u0131 g\u00f6rmelisiniz. Bu ge\u00e7i\u015f, kullan\u0131c\u0131lar i\u00e7in tamamen kesintisiz ger\u00e7ekle\u015fir.<\/p>\n<p>Herhangi bir sorun ya\u015fanmas\u0131 durumunda, ayn\u0131 y\u00f6ntemle <code>HTTPRoute<\/code>‘u tekrar <code>my-app-blue-service<\/code>‘e y\u00f6nlendirerek h\u0131zl\u0131 bir geri alma (rollback) i\u015flemi yapabilirsiniz. Bu, Mavi-Ye\u015fil da\u011f\u0131t\u0131m\u0131n en g\u00fc\u00e7l\u00fc yanlar\u0131ndan biridir.<\/p>\n<h3>A\u015famal\u0131 Ge\u00e7i\u015f (Canary) ile Riskleri Azaltma<\/h3>\n<p>Mavi-Ye\u015fil da\u011f\u0131t\u0131m h\u0131zl\u0131 bir ge\u00e7i\u015f sa\u011flarken, bazen yeni s\u00fcr\u00fcm\u00fcn k\u00fc\u00e7\u00fck bir kullan\u0131c\u0131 grubuna sunulmas\u0131 ve performans\u0131n\u0131n veya hatalar\u0131n\u0131n g\u00f6zlemlenmesi istenebilir. Bu, Canary da\u011f\u0131t\u0131m stratejisidir. Gateway API, <code>weight<\/code> alan\u0131n\u0131 kullanarak bu t\u00fcr a\u015famal\u0131 ge\u00e7i\u015fleri de kolayca yapman\u0131z\u0131 sa\u011flar.<\/p>\n<p>Canary da\u011f\u0131t\u0131m i\u00e7in <code>HTTPRoute<\/code>‘u \u015fu \u015fekilde g\u00fcncelleyebiliriz. Bu \u00f6rnekte, trafi\u011fin %90’\u0131 mavi ortama, %10’u ise ye\u015fil ortama y\u00f6nlendirilecektir:<\/p>\n<pre><code>\n # httproute-canary.yaml\n apiVersion: gateway.networking.k8s.io\/v1\n kind: HTTPRoute\n metadata:\n name: my-app-route\n spec:\n parentRefs:\n - name: my-app-gateway\n hostnames:\n - \"my-app.example.com\"\n rules:\n - matches:\n - path:\n type: PathPrefix\n value: \/\n backendRefs:\n - name: my-app-blue-service\n port: 80\n weight: 90 # %90 trafik mavi servise\n - name: my-app-green-service\n port: 80\n weight: 10 # %10 trafik ye\u015fil servise\n<\/code><\/pre>\n<p>Bu YAML dosyas\u0131n\u0131 uygulad\u0131\u011f\u0131n\u0131zda, DigitalOcean Load Balancer \u00fczerinden gelen isteklerin %90’\u0131 eski s\u00fcr\u00fcme, %10’u ise yeni s\u00fcr\u00fcme gidecektir. Bu sayede, yeni s\u00fcr\u00fcm\u00fcn ger\u00e7ek d\u00fcnya ko\u015fullar\u0131ndaki davran\u0131\u015f\u0131n\u0131 g\u00f6zlemleyebilir, herhangi bir sorun durumunda h\u0131zl\u0131ca geri d\u00f6nerek sadece k\u00fc\u00e7\u00fck bir kullan\u0131c\u0131 grubunu etkileyebilirsiniz.<\/p>\n<pre><code>\n kubectl apply -f httproute-canary.yaml\n<\/code><\/pre>\n<p>Bu strateji, \u00f6zellikle kritik uygulamalar ve b\u00fcy\u00fck kullan\u0131c\u0131 taban\u0131na sahip sistemler i\u00e7in risk y\u00f6netimini \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131r\u0131r. Gateway API’nin esnekli\u011fi sayesinde, bu t\u00fcr geli\u015fmi\u015f da\u011f\u0131t\u0131m desenlerini DOKS \u00fczerinde kolayca uygulayabilirsiniz.<\/p>\n<h2>Vaka Analizi: E-ticaret Uygulamas\u0131 G\u00fcncellemesi<\/h2>\n<p>Teorik bilgileri ve teknik ad\u0131mlar\u0131 \u00f6\u011frendik. \u015eimdi bu bilgileri ger\u00e7ek d\u00fcnya bir senaryo \u00fczerinde nas\u0131l uygulayabilece\u011fimizi bir vaka analizi ile peki\u015ftirelim. B\u00fcy\u00fck bir e-ticaret platformunun, Black Friday gibi yo\u011fun bir al\u0131\u015fveri\u015f d\u00f6neminden \u00f6nce yeni bir \u00f6deme a\u011f ge\u00e7idi entegrasyonu ve kullan\u0131c\u0131 aray\u00fcz\u00fc iyile\u015ftirmeleri i\u00e7eren b\u00fcy\u00fck bir g\u00fcncelleme yapmas\u0131 gerekti\u011fini hayal edelim. Bu t\u00fcr bir g\u00fcncelleme, en ufak bir kesintinin bile milyonlarca dolarl\u0131k kayba yol a\u00e7abilece\u011fi anlam\u0131na gelir. Bu senaryoda Mavi-Ye\u015fil da\u011f\u0131t\u0131m ve Gateway API nas\u0131l bir kurtar\u0131c\u0131 rol oynayabilir?<\/p>\n<h3>Senaryo: Black Friday \u00d6ncesi Kritik G\u00fcncelleme<\/h3>\n<p><strong>Uygulama:<\/strong> E-ticaret platformu (<code>shop-app<\/code>)<\/p>\n<p><strong>Mevcut Durum (Mavi Ortam):<\/strong><\/p>\n<ul>\n<li><code>shop-app-v1<\/code> (Deployment ve Service) aktif olarak hizmet veriyor.<\/li>\n<li>T\u00fcm kullan\u0131c\u0131 trafi\u011fi (<code>shop.example.com<\/code>) bu ortama y\u00f6nlendirilmi\u015f durumda.<\/li>\n<li>Mevcut \u00f6deme sistemi sorunsuz \u00e7al\u0131\u015f\u0131yor.<\/li>\n<\/ul>\n<p><strong>Yeni S\u00fcr\u00fcm (Ye\u015fil Ortam):<\/strong><\/p>\n<ul>\n<li>Yeni \u00f6deme a\u011f ge\u00e7idi entegrasyonu.<\/li>\n<li>Yenilenmi\u015f \u00fcr\u00fcn listeleme sayfas\u0131 (UI iyile\u015ftirmeleri).<\/li>\n<li>Performans optimizasyonlar\u0131.<\/li>\n<li>Bu s\u00fcr\u00fcm <code>shop-app-v2<\/code> olarak etiketlenmi\u015f.<\/li>\n<\/ul>\n<h3>Uygulama Ad\u0131mlar\u0131 ve Gateway API Kullan\u0131m\u0131<\/h3>\n<ol>\n<li><strong>Ye\u015fil Ortam\u0131n Da\u011f\u0131t\u0131m\u0131:<\/strong>\n<p>Geli\u015ftirme ekibi, <code>shop-app-v2<\/code>‘yi i\u00e7eren konteyner imaj\u0131n\u0131 olu\u015fturur ve DOKS k\u00fcmesinde ayr\u0131 bir Deployment (<code>shop-app-green<\/code>) ve Service (<code>shop-app-green-service<\/code>) olarak da\u011f\u0131t\u0131r. Bu ortam, hen\u00fcz canl\u0131 trafi\u011fi almaz.<\/p>\n<pre><code>\n # shop-app-green.yaml\n apiVersion: apps\/v1\n kind: Deployment\n metadata:\n name: shop-app-green\n labels:\n app: shop-app\n version: v2\n spec:\n replicas: 5\n selector:\n matchLabels:\n app: shop-app\n version: v2\n template:\n metadata:\n labels:\n app: shop-app\n version: v2\n spec:\n containers:\n - name: shop-app\n image: your-registry\/shop-app:v2.0 # Yeni s\u00fcr\u00fcm imaj\u0131\n ports:\n - containerPort: 8080\n ---\n apiVersion: v1\n kind: Service\n metadata:\n name: shop-app-green-service\n labels:\n app: shop-app\n version: v2\n spec:\n selector:\n app: shop-app\n version: v2\n ports:\n - protocol: TCP\n port: 80\n targetPort: 8080\n type: ClusterIP\n <\/code><\/pre>\n<pre><code>\n kubectl apply -f shop-app-green.yaml\n <\/code><\/pre>\n<\/li>\n<li><strong>Kapsaml\u0131 Testler:<\/strong>\n<p>Da\u011f\u0131t\u0131m ekibi ve QA, ye\u015fil ortam\u0131n i\u00e7 URL’leri veya ge\u00e7ici bir <code>HTTPRoute<\/code> \u00fczerinden eri\u015fim sa\u011flayarak yeni s\u00fcr\u00fcm\u00fc kapsaml\u0131 bir \u015fekilde test eder. Bu testler \u015funlar\u0131 i\u00e7erir:<\/p>\n<ul>\n<li>Yeni \u00f6deme a\u011f ge\u00e7idi ile ger\u00e7ek i\u015flem ak\u0131\u015flar\u0131.<\/li>\n<li>Yenilenmi\u015f UI’\u0131n farkl\u0131 cihazlarda ve taray\u0131c\u0131larda do\u011fru g\u00f6r\u00fcnt\u00fclenmesi.<\/li>\n<li>Performans ve y\u00fck testleri (yo\u011fun d\u00f6nem sim\u00fclasyonu).<\/li>\n<li>Mevcut veritaban\u0131 ile uyumluluk.<\/li>\n<\/ul>\n<p>T\u00fcm testler ba\u015far\u0131yla ge\u00e7tikten sonra, yeni s\u00fcr\u00fcm\u00fcn canl\u0131ya al\u0131nmaya haz\u0131r oldu\u011funa karar verilir.<\/p>\n<\/li>\n<li><strong>Trafik Ge\u00e7i\u015fi (Gateway API ile):<\/strong>\n<p>Canl\u0131ya alma an\u0131 geldi\u011finde, mevcut <code>HTTPRoute<\/code> kayna\u011f\u0131 g\u00fcncellenir. <code>backendRefs<\/code> b\u00f6l\u00fcm\u00fcndeki referans, <code>shop-app-blue-service<\/code>‘ten <code>shop-app-green-service<\/code>‘e y\u00f6nlendirilir ve <code>weight<\/code> de\u011feri 100 olarak ayarlan\u0131r.<\/p>\n<pre><code>\n # shop-app-route-to-green.yaml\n apiVersion: gateway.networking.k8s.io\/v1\n kind: HTTPRoute\n metadata:\n name: shop-app-route\n spec:\n parentRefs:\n - name: my-app-gateway # Daha \u00f6nce olu\u015fturdu\u011fumuz Gateway\n hostnames:\n - \"shop.example.com\"\n rules:\n - matches:\n - path:\n type: PathPrefix\n value: \/\n backendRefs:\n - name: shop-app-green-service # Yeni s\u00fcr\u00fcm servisine y\u00f6nlendir\n port: 80\n weight: 100\n <\/code><\/pre>\n<pre><code>\n kubectl apply -f shop-app-route-to-green.yaml\n <\/code><\/pre>\n<p>Bu komut \u00e7al\u0131\u015ft\u0131r\u0131ld\u0131ktan sonra, Gateway API kontrol\u00f6r\u00fc saniyeler i\u00e7inde NGINX yap\u0131land\u0131rmas\u0131n\u0131 g\u00fcnceller ve t\u00fcm yeni istekler <code>shop-app-green-service<\/code>‘e y\u00f6nlendirilir. Kullan\u0131c\u0131lar, sayfay\u0131 yenilediklerinde veya yeni bir oturum ba\u015flatt\u0131klar\u0131nda yeni UI’\u0131 ve \u00f6deme sistemini g\u00f6rmeye ba\u015flarlar, herhangi bir kesinti ya\u015fanmaz.<\/p>\n<\/li>\n<li><strong>\u0130zleme ve Geri Alma (Rollback):<\/strong>\n<p>Trafik ge\u00e7i\u015fi yap\u0131ld\u0131ktan sonra, operasyon ekibi, yeni s\u00fcr\u00fcm\u00fcn performans\u0131n\u0131 ve hata oranlar\u0131n\u0131 yak\u0131ndan izler. Prometheus ve Grafana gibi ara\u00e7lar kullan\u0131larak CPU kullan\u0131m\u0131, bellek t\u00fcketimi, HTTP hata kodlar\u0131 ve \u00f6deme i\u015flem ba\u015far\u0131 oranlar\u0131 s\u00fcrekli kontrol edilir.<\/p>\n<p>E\u011fer beklenmedik bir sorun (\u00f6rne\u011fin, yeni \u00f6deme sisteminde hata oranlar\u0131nda ani bir art\u0131\u015f) tespit edilirse, trafik an\u0131nda eski mavi ortama geri y\u00f6nlendirilir. Bunun i\u00e7in tek yap\u0131lmas\u0131 gereken, <code>HTTPRoute<\/code>‘u tekrar <code>shop-app-blue-service<\/code>‘e y\u00f6nlendirecek \u015fekilde g\u00fcncellemektir:<\/p>\n<pre><code>\n # shop-app-route-to-blue-rollback.yaml\n apiVersion: gateway.networking.k8s.io\/v1\n kind: HTTPRoute\n metadata:\n name: shop-app-route\n spec:\n parentRefs:\n - name: my-app-gateway\n hostnames:\n - \"shop.example.com\"\n rules:\n - matches:\n - path:\n type: PathPrefix\n value: \/\n backendRefs:\n - name: shop-app-blue-service # Eski s\u00fcr\u00fcm servisine geri y\u00f6nlendir\n port: 80\n weight: 100\n <\/code><\/pre>\n<pre><code>\n kubectl apply -f shop-app-route-to-blue-rollback.yaml\n <\/code><\/pre>\n<p>Bu sayede, Black Friday gibi kritik bir d\u00f6nemde bile e-ticaret platformu kesintisiz hizmet vermeye devam eder, olas\u0131 sorunlar\u0131n etkisi minimumda tutulur.<\/p>\n<\/li>\n<li><strong>Mavi Ortam\u0131n Temizlenmesi\/G\u00fcncellenmesi:<\/strong>\n<p>Ye\u015fil ortam\u0131n uzun s\u00fcre sorunsuz \u00e7al\u0131\u015ft\u0131\u011f\u0131ndan emin olunduktan sonra, eski mavi ortam\u0131n kaynaklar\u0131 serbest b\u0131rak\u0131labilir veya bir sonraki da\u011f\u0131t\u0131m i\u00e7in g\u00fcncellenebilir.<\/p>\n<\/ol>\n<p>Bu vaka analizi, DOKS ve Gateway API’nin Mavi-Ye\u015fil da\u011f\u0131t\u0131m stratejisiyle nas\u0131l birle\u015ferek kritik i\u015f y\u00fckleri i\u00e7in kesintisiz ve g\u00fcvenli g\u00fcncellemeler sa\u011flad\u0131\u011f\u0131n\u0131 net bir \u015fekilde g\u00f6stermektedir. \u00d6zellikle yo\u011fun d\u00f6nemlerde veya y\u00fcksek riskli de\u011fi\u015fikliklerde bu y\u00f6ntem, i\u015fletmeler i\u00e7in hayati \u00f6neme sahiptir.<\/p>\n<h2>\u0130leri D\u00fczey \u0130pu\u00e7lar\u0131 ve En \u0130yi Uygulamalar: Performans\u0131 ve G\u00fcvenli\u011fi Nas\u0131l Art\u0131r\u0131r\u0131z?<\/h2>\n<p>Mavi-Ye\u015fil da\u011f\u0131t\u0131m stratejisini DOKS \u00fczerinde Gateway API ile ba\u015far\u0131yla uygulad\u0131n\u0131z. Ancak, bu s\u00fcreci daha da sa\u011flam, g\u00fcvenli ve verimli hale getirmek i\u00e7in baz\u0131 ileri d\u00fczey ipu\u00e7lar\u0131 ve en iyi uygulamalar bulunmaktad\u0131r. Bu b\u00f6l\u00fcmde, da\u011f\u0131t\u0131m boru hatt\u0131n\u0131z\u0131 otomatikle\u015ftirmek, sisteminizi izlemek, g\u00fcvenlik \u00f6nlemlerini art\u0131rmak ve test stratejilerinizi geli\u015ftirmek i\u00e7in neler yapabilece\u011finizi ke\u015ffedece\u011fiz.<\/p>\n<h3>Otomatik Geri Alma (Rollback) Mekanizmalar\u0131<\/h3>\n<p>Mavi-Ye\u015fil da\u011f\u0131t\u0131m\u0131n en b\u00fcy\u00fck avantajlar\u0131ndan biri h\u0131zl\u0131 geri alma yetene\u011fidir. Ancak, bu geri alma i\u015flemini manuel olarak yapmak, \u00f6zellikle acil durumlarda zaman kayb\u0131na ve insan hatas\u0131na yol a\u00e7abilir. Bu nedenle, otomatik geri alma mekanizmalar\u0131 kurmak hayati \u00f6nem ta\u015f\u0131r.<\/p>\n<ul>\n<li><strong>CI\/CD Entegrasyonu:<\/strong> Da\u011f\u0131t\u0131m boru hatt\u0131n\u0131z\u0131 (\u00f6rne\u011fin, Jenkins, GitLab CI\/CD, GitHub Actions) izleme ara\u00e7lar\u0131n\u0131zla entegre edin. E\u011fer yeni da\u011f\u0131t\u0131lan (ye\u015fil) ortamda belirli bir hata oran\u0131 e\u015fi\u011fi a\u015f\u0131l\u0131rsa veya performans d\u00fc\u015f\u00fc\u015f\u00fc ya\u015fan\u0131rsa, CI\/CD boru hatt\u0131 otomatik olarak <code>HTTPRoute<\/code>‘u eski (mavi) ortama geri y\u00f6nlendirecek bir komut tetikleyebilir.<\/li>\n<li><strong>Sa\u011fl\u0131k Kontrolleri (Health Checks):<\/strong> Kubernetes <code>Deployment<\/code>‘lar\u0131n\u0131zda <code>livenessProbe<\/code> ve <code>readinessProbe<\/code> tan\u0131mlamalar\u0131n\u0131 do\u011fru bir \u015fekilde yap\u0131n. Gateway API, varsay\u0131lan olarak bu sa\u011fl\u0131k kontrollerini dikkate alarak sadece sa\u011fl\u0131kl\u0131 pod’lara trafik y\u00f6nlendirecektir. Ancak, uygulaman\u0131z\u0131n daha derinlemesine sa\u011fl\u0131k durumunu kontrol eden \u00f6zel u\u00e7 noktalar (endpoint) olu\u015fturmak, otomatik geri alma kararlar\u0131n\u0131 daha g\u00fcvenilir hale getirebilir.<\/li>\n<li><strong>Webhook’lar ve Alerting:<\/strong> Prometheus Alertmanager gibi ara\u00e7larla entegrasyon kurarak, kritik metriklerdeki sapmalar i\u00e7in uyar\u0131lar olu\u015fturun. Bu uyar\u0131lar, bir webhook arac\u0131l\u0131\u011f\u0131yla CI\/CD sisteminizi tetikleyerek otomatik geri alma s\u00fcrecini ba\u015flatabilir.<\/li>\n<\/ul>\n<h3>\u0130zleme ve G\u00f6zetim (Monitoring)<\/h3>\n<p>Herhangi bir \u00fcretim sisteminin vazge\u00e7ilmez bir par\u00e7as\u0131 olan izleme ve g\u00f6zetim, Mavi-Ye\u015fil da\u011f\u0131t\u0131mlarda daha da kritik hale gelir. Yeni s\u00fcr\u00fcm\u00fcn davran\u0131\u015f\u0131n\u0131 yak\u0131ndan izlemek, olas\u0131 sorunlar\u0131 h\u0131zla tespit etmenizi ve proaktif ad\u0131mlar atman\u0131z\u0131 sa\u011flar.<\/p>\n<ul>\n<li><strong>Prometheus ve Grafana:<\/strong> DOKS k\u00fcmenize Prometheus’u (metrik toplama) ve Grafana’y\u0131 (g\u00f6rselle\u015ftirme) kurarak uygulaman\u0131z\u0131n ve altyap\u0131n\u0131z\u0131n t\u00fcm katmanlar\u0131ndan metrikleri toplay\u0131n.\n<ul>\n<li><strong>Uygulama Metrikleri:<\/strong> HTTP istek say\u0131s\u0131, hata oranlar\u0131 (4xx, 5xx), gecikme s\u00fcreleri, CPU\/bellek kullan\u0131m\u0131 gibi metrikleri izleyin.<\/li>\n<li><strong>Gateway API Metrikleri:<\/strong> NGINX Gateway Fabric gibi kontrol\u00f6rler, genellikle kendi metriklerini sunar. Bu metrikler, trafik y\u00f6nlendirme durumunu, backend servislerinin sa\u011fl\u0131k durumunu ve ge\u00e7i\u015f oranlar\u0131n\u0131 anlamak i\u00e7in de\u011ferli bilgiler sa\u011flar.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Merkezi Loglama:<\/strong> Elasticsearch, Fluentd, Kibana (EFK) veya Loki, Promtail, Grafana (LPG) y\u0131\u011f\u0131nlar\u0131 gibi merkezi loglama \u00e7\u00f6z\u00fcmleri kullanarak uygulaman\u0131z\u0131n ve Kubernetes bile\u015fenlerinin loglar\u0131n\u0131 toplay\u0131n. Loglar, sorun giderme ve hata ay\u0131klama s\u00fcre\u00e7lerinde kritik \u00f6neme sahiptir.<\/li>\n<li><strong>Distributed Tracing:<\/strong> Jaeger veya Zipkin gibi da\u011f\u0131t\u0131k izleme ara\u00e7lar\u0131 kullanarak isteklerin uygulaman\u0131z\u0131n farkl\u0131 servisleri aras\u0131nda nas\u0131l hareket etti\u011fini g\u00f6rselle\u015ftirin. Bu, \u00f6zellikle mikroservis mimarilerinde performans darbo\u011fazlar\u0131n\u0131 ve hata kaynaklar\u0131n\u0131 bulmak i\u00e7in \u00e7ok etkilidir.<\/li>\n<\/ul>\n<h3>G\u00fcvenlik Katmanlar\u0131<\/h3>\n<p>Uygulamalar\u0131n\u0131z\u0131n g\u00fcvenli\u011fi, da\u011f\u0131t\u0131m stratejinizden ba\u011f\u0131ms\u0131z olarak her zaman \u00f6ncelikli olmal\u0131d\u0131r. Gateway API ve DOKS, g\u00fcvenlik \u00f6nlemlerini entegre etmek i\u00e7in \u00e7e\u015fitli yollar sunar.<\/p>\n<ul>\n<li><strong>TLS Sonland\u0131rma:<\/strong> Gateway API, TLS sertifikalar\u0131n\u0131 y\u00f6netmek ve HTTPS trafi\u011fini sonland\u0131rmak i\u00e7in yerle\u015fik destek sunar. Let’s Encrypt ile otomatik sertifika y\u00f6netimi i\u00e7in <code>cert-manager<\/code> gibi ara\u00e7lar\u0131 kullanabilirsiniz. Gateway tan\u0131m\u0131n\u0131zda <code>tls<\/code> b\u00f6l\u00fcm\u00fcn\u00fc yap\u0131land\u0131rarak HTTPS’i etkinle\u015ftirin.<\/li>\n<li><strong>Yetkilendirme ve Kimlik Do\u011frulama:<\/strong> Gateway API’nin yetenekleri sayesinde, belirli yollara veya ana bilgisayarlara eri\u015fimi k\u0131s\u0131tlamak i\u00e7in yetkilendirme politikalar\u0131 uygulayabilirsiniz. OAuth2\/OIDC entegrasyonu i\u00e7in harici kimlik do\u011frulama sa\u011flay\u0131c\u0131lar\u0131n\u0131 Gateway’in \u00f6n\u00fcne entegre edebilirsiniz.<\/li>\n<li><strong>Web Uygulama G\u00fcvenlik Duvar\u0131 (WAF):<\/strong> DigitalOcean Load Balancer’\u0131n veya harici bir WAF hizmetinin yeteneklerini kullanarak, SQL enjeksiyonu, XSS gibi yayg\u0131n web sald\u0131r\u0131lar\u0131na kar\u015f\u0131 koruma sa\u011flay\u0131n.<\/li>\n<li><strong>A\u011f Politikalar\u0131 (Network Policies):<\/strong> Kubernetes A\u011f Politikalar\u0131 kullanarak, pod’lar aras\u0131 ve pod’lar ile d\u0131\u015f d\u00fcnya aras\u0131ndaki a\u011f trafi\u011fini k\u0131s\u0131tlay\u0131n. Bu, g\u00fcvenlik ihlallerinin yay\u0131lmas\u0131n\u0131 \u00f6nlemeye yard\u0131mc\u0131 olur.<\/li>\n<\/ul>\n<h3>Test Stratejileri<\/h3>\n<p>Mavi-Ye\u015fil da\u011f\u0131t\u0131m\u0131n ba\u015far\u0131s\u0131, da\u011f\u0131t\u0131mdan \u00f6nce yap\u0131lan testlerin kalitesine ba\u011fl\u0131d\u0131r.<\/p>\n<ul>\n<li><strong>Geli\u015fmi\u015f \u00d6n Da\u011f\u0131t\u0131m Testleri:<\/strong> Yeni s\u00fcr\u00fcm\u00fc ye\u015fil ortama da\u011f\u0131tmadan \u00f6nce, birim testleri, entegrasyon testleri ve u\u00e7tan uca (end-to-end) testleri CI\/CD boru hatt\u0131n\u0131zda otomatik olarak \u00e7al\u0131\u015ft\u0131r\u0131n.<\/li>\n<li><strong>Y\u00fck ve Stres Testleri:<\/strong> Ye\u015fil ortam\u0131 canl\u0131ya almadan \u00f6nce, beklenen maksimum trafi\u011fin \u00fczerinde y\u00fck testlerine tabi tutarak performans darbo\u011fazlar\u0131n\u0131 ve \u00f6l\u00e7eklenebilirlik sorunlar\u0131n\u0131 \u00f6nceden tespit edin.<\/li>\n<li><strong>G\u00f6lge Trafik (Shadow Traffic):<\/strong> Baz\u0131 geli\u015fmi\u015f Gateway API uygulamalar\u0131 veya servis mesh’ler (Istio gibi), canl\u0131 trafi\u011fin bir kopyas\u0131n\u0131 (ancak yan\u0131tlar\u0131n\u0131 kullanmadan) yeni ortama y\u00f6nlendirme yetene\u011fi sunar. Bu “g\u00f6lge trafik”, yeni s\u00fcr\u00fcm\u00fcn ger\u00e7ek d\u00fcnya y\u00fck\u00fc alt\u0131nda nas\u0131l davrand\u0131\u011f\u0131n\u0131 g\u00f6zlemlemenizi sa\u011flar, ancak herhangi bir hatan\u0131n canl\u0131 kullan\u0131c\u0131lar\u0131 etkilemesini \u00f6nler.<\/li>\n<li><strong>G\u00f6zlem ve Do\u011frulama:<\/strong> Da\u011f\u0131t\u0131m sonras\u0131, yeni s\u00fcr\u00fcm\u00fcn beklenen \u015fekilde \u00e7al\u0131\u015ft\u0131\u011f\u0131ndan emin olmak i\u00e7in otomatik do\u011frulama kontrolleri (\u00f6rne\u011fin, belirli bir URL’ye istek at\u0131p beklenen yan\u0131t\u0131 almak) uygulay\u0131n.<\/li>\n<\/ul>\n<div class=\"expert-tip\">\n Uzman \u0130pucu: Da\u011f\u0131t\u0131m s\u00fcre\u00e7lerinizde “GitOps” prensiplerini benimseyin. Kubernetes kaynaklar\u0131n\u0131z\u0131n t\u00fcm yap\u0131land\u0131rmas\u0131n\u0131 (Deployment, Service, Gateway, HTTPRoute vb.) Git deposunda tutun. Argo CD veya Flux CD gibi ara\u00e7lar kullanarak, Git deposundaki de\u011fi\u015fikliklerin otomatik olarak k\u00fcmenize uygulanmas\u0131n\u0131 sa\u011flay\u0131n. Bu, da\u011f\u0131t\u0131m s\u00fcre\u00e7lerinizi daha \u015feffaf, denetlenebilir ve geri al\u0131nabilir hale getirir.\n<\/div>\n<h2>Sonu\u00e7: Mavi-Ye\u015fil Da\u011f\u0131t\u0131mlar\u0131n Gelece\u011fi ve DOKS ile Gateway API’nin \u00d6nemi<\/h2>\n<p>Modern yaz\u0131l\u0131m geli\u015ftirme pratiklerinde, kesintisiz da\u011f\u0131t\u0131m yetene\u011fi art\u0131k bir l\u00fcks de\u011fil, bir zorunluluktur. Mavi-Ye\u015fil da\u011f\u0131t\u0131m stratejisi, uygulamalar\u0131n\u0131z\u0131 minimum riskle ve s\u0131f\u0131r kesinti s\u00fcresiyle g\u00fcncellemeyi m\u00fcmk\u00fcn k\u0131larak, hem geli\u015ftirici ekiplerine hem de son kullan\u0131c\u0131lara b\u00fcy\u00fck faydalar sunar. DigitalOcean Kubernetes (DOKS) gibi y\u00f6netilen bir Kubernetes hizmeti, altyap\u0131 y\u00f6netiminin karma\u015f\u0131kl\u0131\u011f\u0131n\u0131 ortadan kald\u0131r\u0131rken, Kubernetes Gateway API ise esnek ve g\u00fc\u00e7l\u00fc trafik y\u00f6netimi yetenekleri sa\u011flayarak bu stratejinin uygulanmas\u0131n\u0131 son derece kolay ve verimli hale getirir.<\/p>\n<p>Bu makalede, DOKS \u00fczerinde bir Kubernetes k\u00fcmesi kurmaktan, Gateway API kontrol\u00f6r\u00fcn\u00fc da\u011f\u0131tmaya, uygulaman\u0131z\u0131n mavi ve ye\u015fil s\u00fcr\u00fcmlerini haz\u0131rlamaya ve son olarak Gateway API kullanarak trafi\u011fi bu ortamlar aras\u0131nda kesintisiz bir \u015fekilde nas\u0131l y\u00f6netece\u011finize dair ad\u0131m ad\u0131m bir rehber sunduk. Ayr\u0131ca, bir e-ticaret uygulamas\u0131 g\u00fcncelleme senaryosu ile ger\u00e7ek d\u00fcnya bir uygulamay\u0131 ele ald\u0131k ve otomatik geri alma, kapsaml\u0131 izleme, g\u00fcvenlik katmanlar\u0131 ve geli\u015fmi\u015f test stratejileri gibi ileri d\u00fczey ipu\u00e7lar\u0131yla sisteminizi daha da g\u00fc\u00e7lendirmenin yollar\u0131n\u0131 g\u00f6sterdik.<\/p>\n<p>Gateway API, Kubernetes’te trafik y\u00f6netimi i\u00e7in gelece\u011fin standard\u0131 olarak konumlanmaktad\u0131r. Ingress’in s\u0131n\u0131rlamalar\u0131n\u0131 a\u015farak, daha rol tabanl\u0131, geni\u015fletilebilir ve \u00f6zellik a\u00e7\u0131s\u0131ndan zengin bir yap\u0131 sunar. DOKS ile birle\u015fti\u011finde, geli\u015ftiricilerin ve operasyon ekiplerinin karma\u015f\u0131k da\u011f\u0131t\u0131m stratejilerini g\u00fcvenle uygulamas\u0131na olanak tan\u0131r. Bu sayede, yeni \u00f6zelliklerin pazara sunulma s\u00fcresi k\u0131sal\u0131r, hatalar\u0131n etkisi minimize edilir ve genel sistem g\u00fcvenilirli\u011fi art\u0131r\u0131l\u0131r.<\/p>\n<p>\u00d6zetle, DOKS’ta Gateway API ile Mavi-Ye\u015fil da\u011f\u0131t\u0131mlar, modern bulut tabanl\u0131 uygulamalar i\u00e7in vazge\u00e7ilmez bir kombinasyondur. Bu yakla\u015f\u0131m\u0131 benimseyerek, i\u015fletmeler rekabet avantaj\u0131 elde edebilir, m\u00fc\u015fteri memnuniyetini art\u0131rabilir ve s\u00fcrekli yenilik yapma yeteneklerini g\u00fc\u00e7lendirebilirler. Bu ara\u00e7lar\u0131n ve stratejilerin do\u011fru kullan\u0131m\u0131yla, da\u011f\u0131t\u0131m s\u00fcre\u00e7leriniz art\u0131k bir endi\u015fe kayna\u011f\u0131 olmaktan \u00e7\u0131k\u0131p, i\u015finize de\u011fer katan sorunsuz bir ak\u0131\u015fa d\u00f6n\u00fc\u015fecektir.<\/p>\n<h3>S\u0131k\u00e7a Sorulan Sorular<\/h3>\n<h4>Mavi-Ye\u015fil da\u011f\u0131t\u0131m her uygulama i\u00e7in uygun mudur?<\/h4>\n<p>Mavi-Ye\u015fil da\u011f\u0131t\u0131m, \u00e7o\u011fu web uygulamas\u0131 ve API hizmeti i\u00e7in olduk\u00e7a uygundur. Ancak, veritaban\u0131 \u015fema de\u011fi\u015fiklikleri gibi durumlar \u00f6zel dikkat gerektirir. E\u011fer yeni s\u00fcr\u00fcm eski s\u00fcr\u00fcmle ayn\u0131 veritaban\u0131 \u015femas\u0131n\u0131 kullan\u0131yorsa, ge\u00e7i\u015f genellikle sorunsuz olur. Ancak, \u015fema de\u011fi\u015fiklikleri varsa, hem ileri hem de geri y\u00f6nde uyumlu olacak \u015fekilde tasarlanmalar\u0131 veya veritaban\u0131 ge\u00e7i\u015flerinin ayr\u0131 bir a\u015famada ve dikkatlice y\u00f6netilmesi gerekir. Durum bilgisi olan uygulamalar (stateful applications) i\u00e7in de ek stratejiler (\u00f6rne\u011fin, veri \u00e7o\u011faltma) gerekebilir.<\/p>\n<h4>Gateway API yerine Ingress kullanabilir miyim?<\/h4>\n<p>Evet, Ingress API hala Kubernetes’te harici trafi\u011fi y\u00f6netmek i\u00e7in ge\u00e7erli bir se\u00e7enektir ve bir\u00e7ok senaryo i\u00e7in yeterlidir. Ancak, Gateway API, Ingress’e g\u00f6re daha geli\u015fmi\u015f trafik y\u00f6netimi (y\u00fczde tabanl\u0131 y\u00f6nlendirme, ba\u015fl\u0131k bazl\u0131 kurallar), daha net rol ayr\u0131m\u0131 ve daha iyi geni\u015fletilebilirlik sunar. Mavi-Ye\u015fil veya Canary gibi karma\u015f\u0131k da\u011f\u0131t\u0131m stratejileri i\u00e7in Gateway API’nin sundu\u011fu esneklik ve yetenekler genellikle daha avantajl\u0131d\u0131r. E\u011fer basit HTTP\/HTTPS y\u00f6nlendirmelerden fazlas\u0131na ihtiyac\u0131n\u0131z varsa, Gateway API’ye ge\u00e7i\u015f yapmay\u0131 d\u00fc\u015f\u00fcnmelisiniz.<\/p>\n<h4>Geri alma (rollback) i\u015flemi ne kadar s\u00fcrer?<\/h4>\n<p>Gateway API ile yap\u0131lan bir geri alma i\u015flemi genellikle saniyeler i\u00e7inde tamamlan\u0131r. Bunun nedeni, trafi\u011fin y\u00f6nlendirildi\u011fi servis referans\u0131n\u0131n g\u00fcncellenmesi ve Gateway kontrol\u00f6r\u00fcn\u00fcn bu de\u011fi\u015fikli\u011fi an\u0131nda proxy yap\u0131land\u0131rmas\u0131na uygulamas\u0131d\u0131r. Uygulama pod’lar\u0131n\u0131n yeniden ba\u015flat\u0131lmas\u0131 veya yeni imajlar\u0131n \u00e7ekilmesi gibi i\u015flemler gerekmedi\u011fi i\u00e7in, geri alma s\u00fcresi olduk\u00e7a k\u0131sad\u0131r ve kullan\u0131c\u0131lar i\u00e7in neredeyse hi\u00e7 kesinti anlam\u0131na gelmez.<\/p>\n<h4>DOKS d\u0131\u015f\u0131nda ba\u015fka Kubernetes platformlar\u0131nda da bu y\u00f6ntem uygulanabilir mi?<\/h4>\n<p>Evet, kesinlikle. Mavi-Ye\u015fil da\u011f\u0131t\u0131m stratejisi ve Kubernetes Gateway API, bulut sa\u011flay\u0131c\u0131s\u0131ndan ba\u011f\u0131ms\u0131z (cloud-agnostic) kavramlard\u0131r. AWS EKS, Google GKE, Azure AKS gibi di\u011fer y\u00f6netilen Kubernetes hizmetlerinde veya kendi kurdu\u011funuz on-premise Kubernetes k\u00fcmelerinde de bu y\u00f6ntemleri uygulayabilirsiniz. Tek fark, <code>Gateway<\/code> kayna\u011f\u0131n\u0131n bir d\u0131\u015f y\u00fck dengeleyiciyi (Load Balancer) nas\u0131l sa\u011flayaca\u011f\u0131 olabilir (\u00f6rne\u011fin, DOKS’ta DigitalOcean Load Balancer, GKE’de Google Cloud Load Balancer). Ancak temel Gateway API kaynaklar\u0131 (GatewayClass, Gateway, HTTPRoute) ayn\u0131 \u015fekilde \u00e7al\u0131\u015f\u0131r.<\/p>\n<h4>Mavi-Ye\u015fil da\u011f\u0131t\u0131m\u0131n Canary da\u011f\u0131t\u0131mdan fark\u0131 nedir?<\/h4>\n<p>Her ikisi de kesintisiz da\u011f\u0131t\u0131m stratejileridir ancak farkl\u0131 risk profillerine sahiptirler:<\/p>\n<ul>\n<li><strong>Mavi-Ye\u015fil Da\u011f\u0131t\u0131m:<\/strong> \u0130ki \u00f6zde\u015f ortam (mavi ve ye\u015fil) kurulur. Yeni s\u00fcr\u00fcm (ye\u015fil) tamamen test edildikten sonra, t\u00fcm trafik bir anda mavi ortamdan ye\u015file ge\u00e7irilir. H\u0131zl\u0131 bir ge\u00e7i\u015f ve h\u0131zl\u0131 geri alma sunar, ancak e\u011fer ye\u015fil ortamda g\u00f6zden ka\u00e7an bir hata varsa, t\u00fcm kullan\u0131c\u0131lar\u0131 etkiler.<\/li>\n<li><strong>Canary Da\u011f\u0131t\u0131m:<\/strong> Yeni s\u00fcr\u00fcm (canary) k\u00fc\u00e7\u00fck bir kullan\u0131c\u0131 alt k\u00fcmesine veya trafi\u011fin k\u00fc\u00e7\u00fck bir y\u00fczdesine sunulur. Bu k\u00fc\u00e7\u00fck grup \u00fczerinde performans ve hata oranlar\u0131 izlenir. E\u011fer her \u015fey yolundaysa, trafik y\u00fczdesi kademeli olarak art\u0131r\u0131l\u0131r. Daha d\u00fc\u015f\u00fck riskli bir yakla\u015f\u0131md\u0131r, ancak ge\u00e7i\u015f s\u00fcresi daha uzundur. Gateway API, <code>weight<\/code> \u00f6zelli\u011fi ile her iki stratejiyi de kolayca uygulaman\u0131za olanak tan\u0131r.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"DOKS’ta Gateway API ile Mavi-Ye\u015fil Da\u011f\u0131t\u0131mlar Kesintisiz Da\u011f\u0131t\u0131mlar Neden Bu Kadar \u00d6nemli? Modern yaz\u0131l\u0131m geli\u015ftirme d\u00fcnyas\u0131nda, kullan\u0131c\u0131 deneyimi…","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_page_header_type":"","csco_page_load_nextpost":"","csco_page_subscribe_form":"","csco_page_contact_form":"","footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-39831","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-genel","7":"cs-entry","8":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.5 (Yoast SEO v25.3.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Kesintisiz Da\u011f\u0131t\u0131mlar Neden Bu Kadar \u00d6nemli?<\/title>\n<meta name=\"description\" content=\"Modern yaz\u0131l\u0131m geli\u015ftirme d\u00fcnyas\u0131nda, kullan\u0131c\u0131 deneyimi her \u015feyden \u00f6nemlidir. Bir uygulaman\u0131n yeni bir s\u00fcr\u00fcm\u00fcn\u00fc canl\u0131ya al\u0131rken ya\u015fanan kesintiler, m\u00fc\u015fteri kayb\u0131na, marka itibar\u0131n\u0131n zedelenmesine ve dolay\u0131s\u0131yla ciddi finansal zararlara yol a\u00e7abilir. \u00d6zellikle rekabetin yo\u011fun oldu\u011fu sekt\u00f6rlerde, kesintisiz hizmet sunmak adeta bir zorunluluk haline gelmi\u015ftir. Peki, bu zorlu\u011fun \u00fcstesinden nas\u0131l gelinebilir? Geleneksel da\u011f\u0131t\u0131m y\u00f6ntemleri genellikle hizmet kesintileriyle sonu\u00e7lan\u0131rken, Mavi-Ye\u015fil da\u011f\u0131t\u0131m stratejileri bu soruna zarif bir \u00e7\u00f6z\u00fcm sunar. Bu makalede, DigitalOcean Kubernetes (DOKS) \u00fczerinde, Kubernetes Gateway API'nin g\u00fcc\u00fcn\u00fc kullanarak nas\u0131l kesintisiz ve g\u00fcvenli Mavi-Ye\u015fil da\u011f\u0131t\u0131mlar ger\u00e7ekle\u015ftirebilece\u011finizi ad\u0131m ad\u0131m ke\u015ffedece\u011fiz. B\u00f6ylece, yeni \u00f6zelliklerinizi h\u0131zla ve g\u00fcvenle kullan\u0131c\u0131lar\u0131n\u0131za ula\u015ft\u0131r\u0131rken, olas\u0131 sorunlarda h\u0131zl\u0131ca geri d\u00f6nebilme yetene\u011fi kazanacaks\u0131n\u0131z.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fatihsoysal.com\/blog\/kesintisiz-dagitimlar-neden-bu-kadar-onemli\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kesintisiz Da\u011f\u0131t\u0131mlar Neden Bu Kadar \u00d6nemli?\" \/>\n<meta property=\"og:description\" content=\"Modern yaz\u0131l\u0131m geli\u015ftirme d\u00fcnyas\u0131nda, kullan\u0131c\u0131 deneyimi her \u015feyden \u00f6nemlidir. Bir uygulaman\u0131n yeni bir s\u00fcr\u00fcm\u00fcn\u00fc canl\u0131ya al\u0131rken ya\u015fanan kesintiler, m\u00fc\u015fteri kayb\u0131na, marka itibar\u0131n\u0131n zedelenmesine ve dolay\u0131s\u0131yla ciddi finansal zararlara yol a\u00e7abilir. \u00d6zellikle rekabetin yo\u011fun oldu\u011fu sekt\u00f6rlerde, kesintisiz hizmet sunmak adeta bir zorunluluk haline gelmi\u015ftir. Peki, bu zorlu\u011fun \u00fcstesinden nas\u0131l gelinebilir? Geleneksel da\u011f\u0131t\u0131m y\u00f6ntemleri genellikle hizmet kesintileriyle sonu\u00e7lan\u0131rken, Mavi-Ye\u015fil da\u011f\u0131t\u0131m stratejileri bu soruna zarif bir \u00e7\u00f6z\u00fcm sunar. Bu makalede, DigitalOcean Kubernetes (DOKS) \u00fczerinde, Kubernetes Gateway API'nin g\u00fcc\u00fcn\u00fc kullanarak nas\u0131l kesintisiz ve g\u00fcvenli Mavi-Ye\u015fil da\u011f\u0131t\u0131mlar ger\u00e7ekle\u015ftirebilece\u011finizi ad\u0131m ad\u0131m ke\u015ffedece\u011fiz. B\u00f6ylece, yeni \u00f6zelliklerinizi h\u0131zla ve g\u00fcvenle kullan\u0131c\u0131lar\u0131n\u0131za ula\u015ft\u0131r\u0131rken, olas\u0131 sorunlarda h\u0131zl\u0131ca geri d\u00f6nebilme yetene\u011fi kazanacaks\u0131n\u0131z.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/fatihsoysal.com\/blog\/kesintisiz-dagitimlar-neden-bu-kadar-onemli\/\" \/>\n<meta property=\"og:site_name\" content=\"Kodlar\u0131n Gizemli D\u00fcnyas\u0131\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-24T09:21:20+00:00\" \/>\n<meta name=\"author\" content=\"Fatih Soysal\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Fatih Soysal\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"34 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/kesintisiz-dagitimlar-neden-bu-kadar-onemli\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/kesintisiz-dagitimlar-neden-bu-kadar-onemli\/\"},\"author\":{\"name\":\"Fatih Soysal\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"headline\":\"Kesintisiz Da\u011f\u0131t\u0131mlar Neden Bu Kadar \u00d6nemli?\",\"datePublished\":\"2026-02-24T09:21:20+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/kesintisiz-dagitimlar-neden-bu-kadar-onemli\/\"},\"wordCount\":6023,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/fatihsoysal.com\/blog\/kesintisiz-dagitimlar-neden-bu-kadar-onemli\/#respond\"]}],\"copyrightYear\":\"2026\",\"copyrightHolder\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/kesintisiz-dagitimlar-neden-bu-kadar-onemli\/\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/kesintisiz-dagitimlar-neden-bu-kadar-onemli\/\",\"name\":\"Kesintisiz Da\u011f\u0131t\u0131mlar Neden Bu Kadar \u00d6nemli?\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#website\"},\"datePublished\":\"2026-02-24T09:21:20+00:00\",\"description\":\"Modern yaz\u0131l\u0131m geli\u015ftirme d\u00fcnyas\u0131nda, kullan\u0131c\u0131 deneyimi her \u015feyden \u00f6nemlidir. 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B\u00f6ylece, yeni \u00f6zelliklerinizi h\u0131zla ve g\u00fcvenle kullan\u0131c\u0131lar\u0131n\u0131za ula\u015ft\u0131r\u0131rken, olas\u0131 sorunlarda h\u0131zl\u0131ca geri d\u00f6nebilme yetene\u011fi kazanacaks\u0131n\u0131z.","og_url":"https:\/\/fatihsoysal.com\/blog\/kesintisiz-dagitimlar-neden-bu-kadar-onemli\/","og_site_name":"Kodlar\u0131n Gizemli D\u00fcnyas\u0131","article_published_time":"2026-02-24T09:21:20+00:00","author":"Fatih Soysal","twitter_card":"summary_large_image","twitter_misc":{"Yazan:":"Fatih Soysal","Tahmini okuma s\u00fcresi":"34 dakika"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/fatihsoysal.com\/blog\/kesintisiz-dagitimlar-neden-bu-kadar-onemli\/#article","isPartOf":{"@id":"https:\/\/fatihsoysal.com\/blog\/kesintisiz-dagitimlar-neden-bu-kadar-onemli\/"},"author":{"name":"Fatih Soysal","@id":"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1"},"headline":"Kesintisiz Da\u011f\u0131t\u0131mlar Neden Bu Kadar \u00d6nemli?","datePublished":"2026-02-24T09:21:20+00:00","mainEntityOfPage":{"@id":"https:\/\/fatihsoysal.com\/blog\/kesintisiz-dagitimlar-neden-bu-kadar-onemli\/"},"wordCount":6023,"commentCount":0,"publisher":{"@id":"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1"},"inLanguage":"tr","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/fatihsoysal.com\/blog\/kesintisiz-dagitimlar-neden-bu-kadar-onemli\/#respond"]}],"copyrightYear":"2026","copyrightHolder":{"@id":"https:\/\/fatihsoysal.com\/blog\/#organization"}},{"@type":"WebPage","@id":"https:\/\/fatihsoysal.com\/blog\/kesintisiz-dagitimlar-neden-bu-kadar-onemli\/","url":"https:\/\/fatihsoysal.com\/blog\/kesintisiz-dagitimlar-neden-bu-kadar-onemli\/","name":"Kesintisiz Da\u011f\u0131t\u0131mlar Neden Bu Kadar \u00d6nemli?","isPartOf":{"@id":"https:\/\/fatihsoysal.com\/blog\/#website"},"datePublished":"2026-02-24T09:21:20+00:00","description":"Modern yaz\u0131l\u0131m geli\u015ftirme d\u00fcnyas\u0131nda, kullan\u0131c\u0131 deneyimi her \u015feyden \u00f6nemlidir. Bir uygulaman\u0131n yeni bir s\u00fcr\u00fcm\u00fcn\u00fc canl\u0131ya al\u0131rken ya\u015fanan kesintiler, m\u00fc\u015fteri kayb\u0131na, marka itibar\u0131n\u0131n zedelenmesine ve dolay\u0131s\u0131yla ciddi finansal zararlara yol a\u00e7abilir. \u00d6zellikle rekabetin yo\u011fun oldu\u011fu sekt\u00f6rlerde, kesintisiz hizmet sunmak adeta bir zorunluluk haline gelmi\u015ftir. Peki, bu zorlu\u011fun \u00fcstesinden nas\u0131l gelinebilir? Geleneksel da\u011f\u0131t\u0131m y\u00f6ntemleri genellikle hizmet kesintileriyle sonu\u00e7lan\u0131rken, Mavi-Ye\u015fil da\u011f\u0131t\u0131m stratejileri bu soruna zarif bir \u00e7\u00f6z\u00fcm sunar. Bu makalede, DigitalOcean Kubernetes (DOKS) \u00fczerinde, Kubernetes Gateway API'nin g\u00fcc\u00fcn\u00fc kullanarak nas\u0131l kesintisiz ve g\u00fcvenli Mavi-Ye\u015fil da\u011f\u0131t\u0131mlar ger\u00e7ekle\u015ftirebilece\u011finizi ad\u0131m ad\u0131m ke\u015ffedece\u011fiz. 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