{"id":34563,"date":"2025-11-18T22:40:39","date_gmt":"2025-11-18T19:40:39","guid":{"rendered":"https:\/\/fatihsoysal.com\/blog\/?p=34563"},"modified":"2025-11-18T22:40:39","modified_gmt":"2025-11-18T19:40:39","slug":"digitaloceanin-app-platform-icin-kubernetesi-nasil-yonettigi-izledigi-ve-guvence-altina-aldigi","status":"publish","type":"post","link":"https:\/\/fatihsoysal.com\/blog\/digitaloceanin-app-platform-icin-kubernetesi-nasil-yonettigi-izledigi-ve-guvence-altina-aldigi\/","title":{"rendered":"DigitalOcean&#8217;\u0131n App Platform \u0130\u00e7in Kubernetes&#8217;i Nas\u0131l Y\u00f6netti\u011fi, \u0130zledi\u011fi ve G\u00fcvence Alt\u0131na Ald\u0131\u011f\u0131"},"content":{"rendered":"<p><body><\/p>\n<h2>DigitalOcean&#8217;\u0131n App Platform \u0130\u00e7in Kubernetes&#8217;i Nas\u0131l Y\u00f6netti\u011fi, \u0130zledi\u011fi ve G\u00fcvence Alt\u0131na Ald\u0131\u011f\u0131<\/h2>\n<p>DigitalOcean App Platform, geli\u015ftiricilerin uygulamalar\u0131n\u0131 h\u0131zl\u0131 ve kolay bir \u015fekilde da\u011f\u0131tmalar\u0131na olanak tan\u0131yan, tam olarak y\u00f6netilen bir Platform-as-a-Service (PaaS) \u00e7\u00f6z\u00fcm\u00fcd\u00fcr. Bu platformun alt\u0131nda yatan temel teknoloji ise modern bulut uygulamalar\u0131n\u0131n omurgas\u0131 haline gelen Kubernetes&#8217;tir. Ancak Kubernetes&#8217;in karma\u015f\u0131kl\u0131\u011f\u0131 ve operasyonel y\u00fck\u00fc g\u00f6z \u00f6n\u00fcne al\u0131nd\u0131\u011f\u0131nda, DigitalOcean&#8217;\u0131n App Platform kullan\u0131c\u0131lar\u0131na bu soyutlamay\u0131 sunarken arka planda nas\u0131l bir y\u00f6netim, izleme ve g\u00fcvenlik stratejisi izledi\u011fi merak konusudur. Bu makale, DigitalOcean&#8217;\u0131n App Platform i\u00e7in Kubernetes altyap\u0131s\u0131n\u0131 nas\u0131l ustal\u0131kla y\u00f6netti\u011fini, s\u00fcrekli izledi\u011fini ve kapsaml\u0131 bir \u015fekilde g\u00fcvence alt\u0131na ald\u0131\u011f\u0131n\u0131 teknik detaylarla inceleyecektir.<\/p>\n<h3>Kubernetes&#8217;in DigitalOcean App Platform&#8217;daki Rol\u00fc ve Temel Mimarisi<\/h3>\n<p>DigitalOcean App Platform, geli\u015ftiricilerin kodlar\u0131n\u0131 do\u011frudan da\u011f\u0131tabilece\u011fi, veritabanlar\u0131n\u0131 ba\u011flayabilece\u011fi ve statik siteler yay\u0131nlayabilece\u011fi entegre bir ortam sunar. Bu kolayl\u0131\u011f\u0131n ard\u0131nda, uygulamalar\u0131n \u00f6l\u00e7eklenebilirli\u011fini, dayan\u0131kl\u0131l\u0131\u011f\u0131n\u0131 ve ta\u015f\u0131nabilirli\u011fini sa\u011flayan g\u00fc\u00e7l\u00fc bir Kubernetes k\u00fcmesi yatmaktad\u0131r. DigitalOcean, Kubernetes&#8217;i bir orkestrasyon motoru olarak kullanarak App Platform&#8217;daki her bir uygulaman\u0131n (bile\u015fenlerin) ya\u015fam d\u00f6ng\u00fcs\u00fcn\u00fc y\u00f6netir.<\/p>\n<h4>Kubernetes Neden Tercih Edildi?<\/h4>\n<p>Kubernetes, konteynerle\u015ftirilmi\u015f i\u015f y\u00fcklerinin otomatik da\u011f\u0131t\u0131m\u0131, \u00f6l\u00e7eklendirilmesi ve y\u00f6netimi i\u00e7in end\u00fcstri standard\u0131 haline gelmi\u015ftir. DigitalOcean i\u00e7in Kubernetes&#8217;i tercih etmenin temel nedenleri \u015funlard\u0131r:<\/p>\n<p>*   <strong>\u00d6l\u00e7eklenebilirlik:<\/strong> App Platform&#8217;daki uygulamalar\u0131n ani trafik art\u0131\u015flar\u0131na veya azal\u0131\u015flar\u0131na g\u00f6re otomatik olarak \u00f6l\u00e7eklenmesini sa\u011flar.<br \/>\n*   <strong>Dayan\u0131kl\u0131l\u0131k:<\/strong> Bir uygulaman\u0131n veya altyap\u0131 bile\u015feninin ar\u0131zalanmas\u0131 durumunda, Kubernetes otomatik olarak yeni bir \u00f6rnek ba\u015flatarak kesintisiz hizmet sunar.<br \/>\n*   <strong>Kaynak Verimlili\u011fi:<\/strong> Konteynerler sayesinde sunucu kaynaklar\u0131 daha verimli kullan\u0131l\u0131r, bu da maliyet avantaj\u0131 sa\u011flar.<br \/>\n*   <strong>Geli\u015ftirici Odakl\u0131l\u0131k:<\/strong> Geli\u015ftiricilerin altyap\u0131 detaylar\u0131yla u\u011fra\u015fmak yerine kod yazmaya odaklanmas\u0131n\u0131 sa\u011flayan bir soyutlama katman\u0131 sunar.<\/p>\n<h4>App Platform Mimarisi ve Kubernetes \u0130li\u015fkisi<\/h4>\n<p>App Platform, kullan\u0131c\u0131dan gelen kod (\u00f6rne\u011fin, Git deposundan) veya statik dosyalar\u0131 al\u0131r, bunlar\u0131 konteyner imajlar\u0131na d\u00f6n\u00fc\u015ft\u00fcr\u00fcr ve ard\u0131ndan Kubernetes k\u00fcmelerine da\u011f\u0131t\u0131r. Her bir uygulama bile\u015feni (web hizmeti, worker, veritaban\u0131, statik site vb.) Kubernetes i\u00e7inde bir dizi Pod, Deployment, Service ve Ingress kayna\u011f\u0131 olarak temsil edilir. DigitalOcean, bu Kubernetes kaynaklar\u0131n\u0131 y\u00f6neterek uygulaman\u0131n do\u011fru bir \u015fekilde \u00e7al\u0131\u015fmas\u0131n\u0131 ve eri\u015filebilir olmas\u0131n\u0131 sa\u011flar.<\/p>\n<p>*   <strong>Uygulama Bile\u015fenleri:<\/strong> Kullan\u0131c\u0131lar\u0131n olu\u015fturdu\u011fu her bir web hizmeti veya worker, Kubernetes&#8217;te bir Deployment nesnesine kar\u015f\u0131l\u0131k gelir. Bu Deployment, uygulaman\u0131n konteyner imaj\u0131n\u0131 \u00e7al\u0131\u015ft\u0131ran Pod&#8217;lar\u0131 y\u00f6netir.<br \/>\n*   <strong>A\u011f Katman\u0131:<\/strong> Uygulamalar\u0131n d\u0131\u015f d\u00fcnyaya a\u00e7\u0131lmas\u0131 ve birbirleriyle ileti\u015fim kurmas\u0131 i\u00e7in Kubernetes Service ve Ingress kaynaklar\u0131 kullan\u0131l\u0131r. DigitalOcean, trafik y\u00f6nlendirmeyi ve y\u00fck dengelemeyi bu katman \u00fczerinden sa\u011flar.<br \/>\n*   <strong>Veri Y\u00f6netimi:<\/strong> App Platform&#8217;da kullan\u0131lan veritabanlar\u0131 (\u00f6rne\u011fin, DigitalOcean Managed Databases), Kubernetes k\u00fcmelerinin d\u0131\u015f\u0131nda y\u00f6netilse de, uygulamalar\u0131n bu veritabanlar\u0131na g\u00fcvenli bir \u015fekilde ba\u011flanmas\u0131 i\u00e7in gerekli yap\u0131land\u0131rmalar Kubernetes Secret&#8217;lar\u0131 arac\u0131l\u0131\u011f\u0131yla sa\u011flan\u0131r.<\/p>\n<p>Bu mimari, DigitalOcean&#8217;\u0131n App Platform kullan\u0131c\u0131lar\u0131na sundu\u011fu basitli\u011fin ve g\u00fcc\u00fcn temelini olu\u015fturur. Ancak bu soyutlaman\u0131n arkas\u0131nda, Kubernetes&#8217;in karma\u015f\u0131k d\u00fcnyas\u0131n\u0131 y\u00f6netmek, izlemek ve g\u00fcvence alt\u0131na almak i\u00e7in b\u00fcy\u00fck bir m\u00fchendislik \u00e7abas\u0131 yatmaktad\u0131r.<\/p>\n<h3>Y\u00f6netim (Management): Karma\u015f\u0131kl\u0131\u011f\u0131 Soyutlama ve Otomasyon<\/h3>\n<p>DigitalOcean App Platform, Kubernetes&#8217;in operasyonel karma\u015f\u0131kl\u0131\u011f\u0131n\u0131 son kullan\u0131c\u0131lardan tamamen gizler. Bu, platformun temel de\u011fer \u00f6nerilerinden biridir. DigitalOcean, Kubernetes k\u00fcmelerinin ya\u015fam d\u00f6ng\u00fcs\u00fcn\u00fc ba\u015ftan sona otomatikle\u015ftirerek ve soyutlayarak bu ba\u015far\u0131y\u0131 elde eder.<\/p>\n<h4>Otomatik Sa\u011flama ve \u00d6l\u00e7eklendirme<\/h4>\n<p>DigitalOcean, App Platform i\u00e7in temel Kubernetes k\u00fcmelerini otomatik olarak sa\u011flar ve y\u00f6netir. Bu s\u00fcre\u00e7 \u015funlar\u0131 i\u00e7erir:<\/p>\n<p>*   <strong>K\u00fcme Olu\u015fturma:<\/strong> Yeni bir App Platform uygulamas\u0131 da\u011f\u0131t\u0131ld\u0131\u011f\u0131nda veya mevcut bir uygulama \u00f6nemli \u00f6l\u00e7\u00fcde \u00f6l\u00e7eklendi\u011finde, DigitalOcean gerekti\u011finde yeni Kubernetes worker d\u00fc\u011f\u00fcmleri veya hatta tamamen yeni k\u00fcmeler sa\u011flayabilir. Bu s\u00fcre\u00e7, donan\u0131m se\u00e7imi, i\u015fletim sistemi kurulumu ve Kubernetes bile\u015fenlerinin yap\u0131land\u0131r\u0131lmas\u0131 dahil olmak \u00fczere tamamen otomatiktir.<br \/>\n*   <strong>Otomatik \u00d6l\u00e7eklendirme (Auto-scaling):<\/strong> App Platform, kullan\u0131c\u0131 uygulamalar\u0131n\u0131n kaynak ihtiya\u00e7lar\u0131n\u0131 s\u00fcrekli izler. Y\u00fcksek trafik durumlar\u0131nda, Horizontal Pod Autoscaler (HPA) ve Cluster Autoscaler gibi Kubernetes mekanizmalar\u0131 kullan\u0131larak Pod&#8217;lar ve hatta worker d\u00fc\u011f\u00fcmleri otomatik olarak \u00f6l\u00e7eklendirilir. Bu sayede uygulamalar her zaman yeterli kayna\u011fa sahip olurken, gereksiz kaynak t\u00fcketimi de \u00f6nlenir.<br \/>\n*   <strong>Y\u00fck Dengeleme:<\/strong> Gelen trafik, uygulamalar\u0131n birden fazla Pod&#8217;u aras\u0131nda otomatik olarak dengelenir. DigitalOcean, dahili y\u00fck dengeleyiciler ve Ingress Controller&#8217;lar arac\u0131l\u0131\u011f\u0131yla bu s\u00fcreci y\u00f6netir.<\/p>\n<h4>G\u00fcncelleme ve Bak\u0131m S\u00fcre\u00e7leri<\/h4>\n<p>Kubernetes ve alt\u0131nda yatan i\u015fletim sistemleri s\u00fcrekli olarak g\u00fcncellenmeli ve yamanmal\u0131d\u0131r. DigitalOcean, bu kritik s\u00fcre\u00e7leri kesintisiz bir \u015fekilde y\u00f6netir:<\/p>\n<p>*   <strong>S\u0131f\u0131r Kesintiyle G\u00fcncellemeler:<\/strong> App Platform, kullan\u0131c\u0131 uygulamalar\u0131 i\u00e7in s\u0131f\u0131r kesintiyle g\u00fcncelleme ve da\u011f\u0131t\u0131m sa\u011flar. Yeni bir s\u00fcr\u00fcm da\u011f\u0131t\u0131ld\u0131\u011f\u0131nda, Kubernetes&#8217;in Rolling Update stratejisi kullan\u0131larak eski Pod&#8217;lar kademeli olarak yeni Pod&#8217;larla de\u011fi\u015ftirilir. Bu, kullan\u0131c\u0131lar\u0131n hizmetlerinde herhangi bir aksakl\u0131k ya\u015famamas\u0131n\u0131 garanti eder.<br \/>\n*   <strong>Kubernetes S\u00fcr\u00fcm Y\u00fckseltmeleri:<\/strong> DigitalOcean, App Platform&#8217;un temelini olu\u015fturan Kubernetes k\u00fcmelerini d\u00fczenli olarak en son kararl\u0131 s\u00fcr\u00fcmlere y\u00fckseltir. Bu y\u00fckseltmeler, g\u00fcvenlik yamalar\u0131n\u0131, performans iyile\u015ftirmelerini ve yeni \u00f6zellikleri i\u00e7erir. Y\u00fckseltme s\u00fcreci, hizmet kesintisini en aza indirmek i\u00e7in dikkatlice planlan\u0131r ve uygulan\u0131r.<br \/>\n*   <strong>\u0130\u015fletim Sistemi ve Konteyner \u00c7al\u0131\u015fma Zaman\u0131 G\u00fcncellemeleri:<\/strong> Worker d\u00fc\u011f\u00fcmlerindeki i\u015fletim sistemleri (\u00f6rn. Ubuntu) ve konteyner \u00e7al\u0131\u015fma zaman\u0131 (\u00f6rn. containerd) da d\u00fczenli olarak g\u00fcncellenir. Bu g\u00fcncellemeler, g\u00fcvenlik a\u00e7\u0131klar\u0131n\u0131 kapatmak ve performans\u0131 art\u0131rmak i\u00e7in kritik \u00f6neme sahiptir. DigitalOcean, bu g\u00fcncellemeleri otomatik olarak da\u011f\u0131t\u0131rken, d\u00fc\u011f\u00fcmlerin drenaj\u0131n\u0131 ve yeniden ba\u015flat\u0131lmas\u0131n\u0131 y\u00f6neterek uygulama kesintilerini \u00f6nler.<\/p>\n<h4>Kaynak Y\u00f6netimi ve \u00c7oklu Kirac\u0131l\u0131k (Multi-tenancy)<\/h4>\n<p>App Platform, birden fazla kullan\u0131c\u0131n\u0131n uygulamalar\u0131n\u0131 ayn\u0131 altyap\u0131 \u00fczerinde bar\u0131nd\u0131ran \u00e7oklu kirac\u0131l\u0131 bir ortamd\u0131r. DigitalOcean, kaynak y\u00f6netimi ve izolasyonu sa\u011flamak i\u00e7in Kubernetes&#8217;in g\u00fc\u00e7l\u00fc \u00f6zelliklerini kullan\u0131r:<\/p>\n<p>*   <strong>Kaynak Kotalar\u0131 ve Limitler:<\/strong> Her bir uygulama veya kirac\u0131 i\u00e7in CPU ve bellek gibi kaynaklar \u00fczerinde kotalar ve limitler tan\u0131mlan\u0131r. Bu, bir uygulaman\u0131n di\u011fer uygulamalar\u0131n kaynaklar\u0131n\u0131 t\u00fcketmesini veya platformu olumsuz etkilemesini engeller.<br \/>\n*   <strong>Ad Alanlar\u0131 (Namespaces):<\/strong> Kubernetes ad alanlar\u0131, farkl\u0131 uygulamalar\u0131 veya kirac\u0131lar\u0131 mant\u0131ksal olarak izole etmek i\u00e7in kullan\u0131l\u0131r. Her bir App Platform uygulamas\u0131, kendi ad alan\u0131nda \u00e7al\u0131\u015farak di\u011fer uygulamalardan ayr\u0131l\u0131r.<br \/>\n*   <strong>Geli\u015fmi\u015f Zamanlama:<\/strong> Kubernetes Scheduler, Pod&#8217;lar\u0131 worker d\u00fc\u011f\u00fcmlerine da\u011f\u0131t\u0131rken kaynak gereksinimlerini, d\u00fc\u011f\u00fcm kapasitelerini ve izolasyon politikalar\u0131n\u0131 dikkate al\u0131r. DigitalOcean, Pod&#8217;lar\u0131n dengeli bir \u015fekilde da\u011f\u0131t\u0131lmas\u0131n\u0131 ve &#8220;g\u00fcr\u00fclt\u00fcl\u00fc kom\u015fu&#8221; (noisy neighbor) sorunlar\u0131n\u0131n \u00f6nlenmesini sa\u011flamak i\u00e7in \u00f6zel zamanlama politikalar\u0131 uygulayabilir.<\/p>\n<h3>\u0130zleme (Monitoring): S\u00fcrekli G\u00f6zetim ve Proaktif M\u00fcdahale<\/h3>\n<p>DigitalOcean&#8217;\u0131n App Platform i\u00e7in Kubernetes&#8217;i y\u00f6netmesindeki bir di\u011fer kritik bile\u015fen, kapsaml\u0131 izleme stratejisidir. S\u00fcrekli izleme, potansiyel sorunlar\u0131 proaktif olarak tespit etmeye, performans\u0131 optimize etmeye ve hizmetin kesintisiz \u00e7al\u0131\u015fmas\u0131n\u0131 sa\u011flamaya yard\u0131mc\u0131 olur.<\/p>\n<h4>Altyap\u0131 \u0130zleme<\/h4>\n<p>DigitalOcean, temel Kubernetes altyap\u0131s\u0131n\u0131n her katman\u0131n\u0131 titizlikle izler:<\/p>\n<p>*   <strong>D\u00fc\u011f\u00fcm D\u00fczeyi Metrikler:<\/strong> Her bir worker d\u00fc\u011f\u00fcm\u00fcn\u00fcn CPU kullan\u0131m\u0131, bellek t\u00fcketimi, disk G\/\u00c7, a\u011f trafi\u011fi gibi temel metrikleri s\u00fcrekli olarak toplan\u0131r. Bu veriler, d\u00fc\u011f\u00fcm kaynaklar\u0131n\u0131n a\u015f\u0131r\u0131 y\u00fcklenmesini veya yetersiz kalmas\u0131n\u0131 \u00f6nlemek i\u00e7in kullan\u0131l\u0131r.<br \/>\n*   <strong>Kubernetes Kontrol D\u00fczlemi (Control Plane) Sa\u011fl\u0131\u011f\u0131:<\/strong> API Sunucusu, etcd, Scheduler ve Controller Manager gibi Kubernetes kontrol d\u00fczlemi bile\u015fenlerinin durumu ve performans\u0131 yak\u0131ndan izlenir. Bu bile\u015fenlerdeki herhangi bir anormallik, platformun genel sa\u011fl\u0131\u011f\u0131n\u0131 etkileyebilece\u011fi i\u00e7in an\u0131nda tespit edilmelidir.<br \/>\n*   <strong>A\u011f Metrikleri:<\/strong> K\u00fcme i\u00e7indeki ve d\u0131\u015f\u0131ndaki a\u011f trafi\u011fi, gecikme s\u00fcreleri ve paket kayb\u0131 gibi metrikler izlenir. Bu, a\u011f ba\u011flant\u0131 sorunlar\u0131n\u0131 veya performans darbo\u011fazlar\u0131n\u0131 belirlemeye yard\u0131mc\u0131 olur.<br \/>\n*   <strong>Log Y\u00f6netimi:<\/strong> Kubernetes bile\u015fenlerinden ve worker d\u00fc\u011f\u00fcmlerinden gelen t\u00fcm loglar merkezi bir sistemde toplan\u0131r ve analiz edilir. Bu loglar, sorun giderme ve g\u00fcvenlik denetimleri i\u00e7in paha bi\u00e7ilmez bilgiler sa\u011flar.<\/p>\n<h4>Uygulama \u0130zleme<\/h4>\n<p>DigitalOcean, altyap\u0131 izlemenin yan\u0131 s\u0131ra, App Platform \u00fczerinde \u00e7al\u0131\u015fan kullan\u0131c\u0131 uygulamalar\u0131n\u0131 da izler:<\/p>\n<p>*   <strong>Uygulama Metrikleri:<\/strong> App Platform, da\u011f\u0131t\u0131lan uygulamalar\u0131n temel performans metriklerini (CPU, bellek, a\u011f kullan\u0131m\u0131) otomatik olarak toplar ve kullan\u0131c\u0131lara sunar. Bu, geli\u015ftiricilerin uygulamalar\u0131n\u0131n nas\u0131l performans g\u00f6sterdi\u011fini anlamalar\u0131na yard\u0131mc\u0131 olur.<br \/>\n*   <strong>Loglama:<\/strong> Uygulama Pod&#8217;lar\u0131ndan gelen t\u00fcm standart \u00e7\u0131kt\u0131 ve standart hata loglar\u0131 merkezi bir loglama sisteminde toplan\u0131r. Kullan\u0131c\u0131lar, App Platform aray\u00fcz\u00fc \u00fczerinden veya CLI arac\u0131l\u0131\u011f\u0131yla bu loglara kolayca eri\u015febilir. Bu, uygulama hatalar\u0131n\u0131 ay\u0131klamak ve davran\u0131\u015flar\u0131n\u0131 anlamak i\u00e7in kritik \u00f6neme sahiptir.<br \/>\n*   <strong>Hata ve \u0130stisna \u0130zleme:<\/strong> DigitalOcean, uygulamalarda meydana gelen hatalar\u0131 ve istisnalar\u0131 tespit etmek i\u00e7in mekanizmalar uygulayabilir. Bu, sorunlar\u0131n kullan\u0131c\u0131lar etkilenmeden \u00f6nce proaktif olarak \u00e7\u00f6z\u00fclmesine olanak tan\u0131r.<\/p>\n<h4>Uyar\u0131 ve Bildirim Sistemleri<\/h4>\n<p>\u0130zlenen metriklerde veya loglarda \u00f6nceden tan\u0131mlanm\u0131\u015f e\u015fiklerin a\u015f\u0131lmas\u0131 durumunda, DigitalOcean&#8217;\u0131n operasyon ekipleri otomatik olarak uyar\u0131l\u0131r. Bu sistemler \u015funlar\u0131 i\u00e7erir:<\/p>\n<p>*   <strong>E\u015fik Tabanl\u0131 Uyar\u0131lar:<\/strong> CPU kullan\u0131m\u0131n\u0131n belirli bir y\u00fczdeyi a\u015fmas\u0131 veya hata oranlar\u0131n\u0131n artmas\u0131 gibi durumlar i\u00e7in uyar\u0131lar yap\u0131land\u0131r\u0131l\u0131r.<br \/>\n*   <strong>Anomali Tespiti:<\/strong> Yapay zeka ve makine \u00f6\u011frenimi tabanl\u0131 ara\u00e7lar, normal davran\u0131\u015ftan sapmalar\u0131 tespit ederek potansiyel sorunlar\u0131 \u00f6nceden belirleyebilir.<br \/>\n*   <strong>Otomatik Olay Yan\u0131t\u0131:<\/strong> Baz\u0131 durumlarda, uyar\u0131lar otomatik d\u00fczeltici eylemleri tetikleyebilir (\u00f6rne\u011fin, Pod&#8217;lar\u0131 yeniden ba\u015flatma veya \u00f6l\u00e7eklendirme).<\/p>\n<p>Bu kapsaml\u0131 izleme stratejisi, DigitalOcean&#8217;\u0131n App Platform&#8217;un y\u00fcksek kullan\u0131labilirli\u011fini ve performans\u0131n\u0131 s\u00fcrd\u00fcrmesini sa\u011flar.<\/p>\n<h3>G\u00fcvenlik (Security): \u00c7ok Katmanl\u0131 Savunma Yakla\u015f\u0131m\u0131<\/h3>\n<p>G\u00fcvenlik, herhangi bir bulut platformunun ve \u00f6zellikle \u00e7oklu kirac\u0131l\u0131 bir PaaS \u00e7\u00f6z\u00fcm\u00fcn\u00fcn temelidir. DigitalOcean, App Platform i\u00e7in Kubernetes altyap\u0131s\u0131n\u0131 \u00e7ok katmanl\u0131 bir savunma yakla\u015f\u0131m\u0131yla g\u00fcvence alt\u0131na al\u0131r.<\/p>\n<h4>Altyap\u0131 G\u00fcvenli\u011fi<\/h4>\n<p>Kubernetes k\u00fcmelerinin alt\u0131nda yatan donan\u0131m ve yaz\u0131l\u0131m bile\u015fenlerinin g\u00fcvenli\u011fi, genel platform g\u00fcvenli\u011finin temelini olu\u015fturur:<\/p>\n<p>*   <strong>A\u011f G\u00fcvenli\u011fi:<\/strong><br \/>\n    *   <strong>VPC ve A\u011f \u0130zolasyonu:<\/strong> App Platform, DigitalOcean&#8217;\u0131n sanal \u00f6zel bulut (VPC) altyap\u0131s\u0131 \u00fczerinde \u00e7al\u0131\u015f\u0131r. Bu, farkl\u0131 kirac\u0131lar\u0131n ve dahili hizmetlerin a\u011f d\u00fczeyinde izole edilmesini sa\u011flar.<br \/>\n    *   <strong>G\u00fcvenlik Duvarlar\u0131 ve A\u011f Politikalar\u0131:<\/strong> Gelen ve giden t\u00fcm a\u011f trafi\u011fi, s\u0131k\u0131 g\u00fcvenlik duvar\u0131 kurallar\u0131 ve Kubernetes Network Policy&#8217;ler arac\u0131l\u0131\u011f\u0131yla kontrol edilir. Bu, yaln\u0131zca yetkili trafik ak\u0131\u015flar\u0131na izin verildi\u011fini garanti eder.<br \/>\n    *   <strong>TLS \u015eifrelemesi:<\/strong> T\u00fcm dahili ve harici ileti\u015fim (API \u00e7a\u011fr\u0131lar\u0131, servisler aras\u0131 ileti\u015fim), ta\u015f\u0131ma katman\u0131 g\u00fcvenli\u011fi (TLS) kullan\u0131larak \u015fifrelenir.<br \/>\n*   <strong>Host G\u00fcvenli\u011fi:<\/strong><br \/>\n    *   <strong>Sertle\u015ftirilmi\u015f \u0130\u015fletim Sistemi \u0130majlar\u0131:<\/strong> Worker d\u00fc\u011f\u00fcmleri, minimum gerekli yaz\u0131l\u0131mlar\u0131 i\u00e7eren ve g\u00fcvenlik en iyi uygulamalar\u0131na g\u00f6re sertle\u015ftirilmi\u015f \u00f6zel i\u015fletim sistemi imajlar\u0131 kullan\u0131r.<br \/>\n    *   <strong>D\u00fczenli Yama Y\u00f6netimi:<\/strong> \u0130\u015fletim sistemi ve di\u011fer temel yaz\u0131l\u0131mlardaki g\u00fcvenlik a\u00e7\u0131klar\u0131, d\u00fczenli yama y\u00f6netimi s\u00fcre\u00e7leriyle kapat\u0131l\u0131r.<br \/>\n    *   <strong>\u0130zinsiz Giri\u015f Tespit Sistemleri (IDS):<\/strong> D\u00fc\u011f\u00fcm d\u00fczeyinde izinsiz giri\u015f tespiti ve \u00f6nleme sistemleri, \u015f\u00fcpheli faaliyetleri izler ve raporlar.<br \/>\n*   <strong>Kubernetes Kontrol D\u00fczlemi G\u00fcvenli\u011fi:<\/strong><br \/>\n    *   <strong>RBAC (Rol Tabanl\u0131 Eri\u015fim Kontrol\u00fc):<\/strong> Kubernetes API&#8217;sine eri\u015fim, RBAC kurallar\u0131 arac\u0131l\u0131\u011f\u0131yla s\u0131k\u0131 bir \u015fekilde kontrol edilir. Yaln\u0131zca gerekli izinlere sahip kullan\u0131c\u0131lar ve hizmet hesaplar\u0131 belirli kaynaklara eri\u015febilir.<br \/>\n    *   <strong>API Sunucusu Kimlik Do\u011frulama ve Yetkilendirme:<\/strong> API sunucusu, t\u00fcm istekleri kimlik do\u011frulama ve yetkilendirme s\u00fcre\u00e7lerinden ge\u00e7irir.<br \/>\n    *   <strong>etcd \u015eifrelemesi:<\/strong> Kubernetes&#8217;in durumunu depolayan etcd veritaban\u0131, hassas bilgilerin depoland\u0131\u011f\u0131 bir yer oldu\u011fundan, depodaki veriler \u015fifrelenir.<br \/>\n    *   <strong>G\u00fcvenli Konfig\u00fcrasyon:<\/strong> Kubernetes bile\u015fenleri, g\u00fcvenlik en iyi uygulamalar\u0131na uygun olarak yap\u0131land\u0131r\u0131l\u0131r (\u00f6rne\u011fin, varsay\u0131lan ayr\u0131cal\u0131klar\u0131n kald\u0131r\u0131lmas\u0131, g\u00fcvenli port kullan\u0131m\u0131).<\/p>\n<h4>Uygulama ve Veri G\u00fcvenli\u011fi<\/h4>\n<p>DigitalOcean, App Platform&#8217;da da\u011f\u0131t\u0131lan uygulamalar\u0131n ve verilerin g\u00fcvenli\u011fini sa\u011flamak i\u00e7in de \u00f6nlemler al\u0131r:<\/p>\n<p>*   <strong>\u00c7oklu Kirac\u0131l\u0131k \u0130zolasyonu:<\/strong> Her bir kirac\u0131n\u0131n uygulamas\u0131, Kubernetes ad alanlar\u0131 ve a\u011f politikalar\u0131 arac\u0131l\u0131\u011f\u0131yla di\u011ferlerinden izole edilir. Bu, bir kirac\u0131n\u0131n uygulamas\u0131n\u0131n di\u011ferini etkilemesini veya eri\u015fmesini engeller.<br \/>\n*   <strong>Konteyner G\u00fcvenli\u011fi:<\/strong><br \/>\n    *   <strong>\u0130maj Tarama:<\/strong> App Platform&#8217;a da\u011f\u0131t\u0131lan konteyner imajlar\u0131, bilinen g\u00fcvenlik a\u00e7\u0131klar\u0131 i\u00e7in taran\u0131r. DigitalOcean, geli\u015ftiricileri potansiyel sorunlar hakk\u0131nda bilgilendirebilir veya da\u011f\u0131t\u0131m\u0131 engelleyebilir.<br \/>\n    *   <strong>En Az Ayr\u0131cal\u0131k Prensibi:<\/strong> Uygulama konteynerleri, yaln\u0131zca i\u015flerini yapmak i\u00e7in gereken minimum ayr\u0131cal\u0131klarla \u00e7al\u0131\u015facak \u015fekilde yap\u0131land\u0131r\u0131l\u0131r.<br \/>\n    *   <strong>G\u00fcvenli \u00c7al\u0131\u015fma Zaman\u0131:<\/strong> Konteyner \u00e7al\u0131\u015fma zaman\u0131 (containerd), g\u00fcvenli bir \u015fekilde yap\u0131land\u0131r\u0131l\u0131r ve izole edilmi\u015f bir ortam sa\u011flar.<br \/>\n*   <strong>Gizli Veri Y\u00f6netimi (Secret Management):<\/strong> Hassas veriler (API anahtarlar\u0131, veritaban\u0131 kimlik bilgileri, ortam de\u011fi\u015fkenleri) Kubernetes Secret&#8217;lar\u0131 arac\u0131l\u0131\u011f\u0131yla g\u00fcvenli bir \u015fekilde y\u00f6netilir. Bu Secret&#8217;lar \u015fifrelenir ve yaln\u0131zca yetkili Pod&#8217;lara enjekte edilir. DigitalOcean, bu Secret&#8217;lar\u0131n depolanmas\u0131n\u0131 ve eri\u015fimini s\u0131k\u0131 bir \u015fekilde kontrol eder.<br \/>\n*   <strong>Veri \u015eifrelemesi:<\/strong> Uygulama veritabanlar\u0131 ve depolama birimleri, beklemedeki (at rest) ve aktar\u0131mdaki (in transit) verileri \u015fifreleyerek korunur.<\/p>\n<h4>Kimlik ve Eri\u015fim Y\u00f6netimi (IAM)<\/h4>\n<p>DigitalOcean&#8217;\u0131n IAM sistemi, App Platform&#8217;a eri\u015fimi ve platform i\u00e7indeki kaynaklara eri\u015fimi y\u00f6netir:<\/p>\n<p>*   <strong>Kullan\u0131c\u0131 Kimlik Do\u011frulama:<\/strong> App Platform kullan\u0131c\u0131lar\u0131, DigitalOcean hesab\u0131yla kimlik do\u011frulamas\u0131 yapar. Bu, \u00e7ok fakt\u00f6rl\u00fc kimlik do\u011frulama (MFA) gibi \u00f6zelliklerle daha da g\u00fc\u00e7lendirilebilir.<br \/>\n*   <strong>Rol Tabanl\u0131 Eri\u015fim:<\/strong> Kullan\u0131c\u0131lara ve ekiplere, App Platform kaynaklar\u0131 \u00fczerinde belirli roller atan\u0131r. Bu roller, hangi kaynaklara (uygulamalar, veritabanlar\u0131) hangi eylemleri (da\u011f\u0131tma, silme, yap\u0131land\u0131rma) ger\u00e7ekle\u015ftirebileceklerini belirler.<br \/>\n*   <strong>Hizmet Hesaplar\u0131:<\/strong> Dahili Kubernetes i\u015flemleri ve entegrasyonlar i\u00e7in en az ayr\u0131cal\u0131k ilkesine uygun olarak yap\u0131land\u0131r\u0131lm\u0131\u015f hizmet hesaplar\u0131 kullan\u0131l\u0131r.<\/p>\n<h4>S\u00fcrekli G\u00fcvenlik Denetimi ve Yan\u0131t<\/h4>\n<p>G\u00fcvenlik, tek seferlik bir eylem de\u011fil, s\u00fcrekli bir s\u00fcre\u00e7tir:<\/p>\n<p>*   <strong>G\u00fcvenlik Denetimleri ve Penetrasyon Testleri:<\/strong> DigitalOcean, App Platform&#8217;un ve temel altyap\u0131s\u0131n\u0131n g\u00fcvenlik a\u00e7\u0131klar\u0131n\u0131 tespit etmek i\u00e7in d\u00fczenli olarak ba\u011f\u0131ms\u0131z g\u00fcvenlik denetimleri ve penetrasyon testleri yapt\u0131r\u0131r.<br \/>\n*   <strong>G\u00fcvenlik Olay\u0131 Yan\u0131t Plan\u0131:<\/strong> Potansiyel bir g\u00fcvenlik ihlali durumunda, h\u0131zl\u0131 ve etkili bir \u015fekilde yan\u0131t vermek i\u00e7in ayr\u0131nt\u0131l\u0131 bir olay yan\u0131t plan\u0131 mevcuttur. Bu plan, tespit, analiz, i\u00e7erme, yok etme, kurtarma ve \u00f6\u011frenme a\u015famalar\u0131n\u0131 i\u00e7erir.<br \/>\n*   <strong>Uyumluluk:<\/strong> DigitalOcean, SOC 2, ISO 27001 ve GDPR gibi end\u00fcstri standartlar\u0131na ve d\u00fczenlemelerine uyumlulu\u011fu s\u00fcrd\u00fcr\u00fcr. Bu, platformun g\u00fcvenli\u011fini ve veri gizlili\u011fini ba\u011f\u0131ms\u0131z olarak do\u011frular.<\/p>\n<h3>Zorluklar ve DigitalOcean&#8217;\u0131n \u00c7\u00f6z\u00fcmleri<\/h3>\n<p>App Platform gibi \u00e7oklu kirac\u0131l\u0131, y\u00f6netilen bir PaaS&#8217;i Kubernetes \u00fczerinde \u00e7al\u0131\u015ft\u0131rmak, kendine \u00f6zg\u00fc zorluklar\u0131 beraberinde getirir. DigitalOcean, bu zorluklar\u0131 a\u015fmak i\u00e7in s\u00fcrekli olarak yenilikler yapar:<\/p>\n<p>*   <strong>G\u00fcr\u00fclt\u00fcl\u00fc Kom\u015fu Sorunu:<\/strong> Bir kirac\u0131n\u0131n uygulamas\u0131n\u0131n a\u015f\u0131r\u0131 kaynak t\u00fcketimi, ayn\u0131 worker d\u00fc\u011f\u00fcm\u00fcnde \u00e7al\u0131\u015fan di\u011fer kirac\u0131lar\u0131n uygulamalar\u0131n\u0131n performans\u0131n\u0131 etkileyebilir. DigitalOcean, bu sorunu \u00f6nlemek i\u00e7in geli\u015fmi\u015f zamanlama algoritmalar\u0131, kaynak kotalar\u0131 ve Pod izolasyon teknikleri kullan\u0131r. Ayr\u0131ca, s\u00fcrekli izleme ile anormal kaynak kullan\u0131m\u0131n\u0131 tespit eder ve proaktif \u00f6nlemler al\u0131r.<br \/>\n*   <strong>Karma\u015f\u0131k A\u011f Yap\u0131s\u0131:<\/strong> \u00c7ok say\u0131da uygulama, servis ve bile\u015fenin birbiriyle g\u00fcvenli ve verimli bir \u015fekilde ileti\u015fim kurmas\u0131n\u0131 sa\u011flamak, karma\u015f\u0131k bir a\u011f topolojisi gerektirir. DigitalOcean, geli\u015fmi\u015f CNI (Container Network Interface) eklentileri, Ingress Controller&#8217;lar ve servis a\u011f\u0131 politikalar\u0131 kullanarak bu karma\u015f\u0131kl\u0131\u011f\u0131 y\u00f6netir.<br \/>\n*   <strong>S\u00fcrekli G\u00fcncelleme Y\u00fck\u00fc:<\/strong> Kubernetes ekosistemi h\u0131zla geli\u015fti\u011finden, platformu g\u00fcncel tutmak \u00f6nemli bir operasyonel y\u00fckt\u00fcr. DigitalOcean, bu g\u00fcncellemeleri otomatikle\u015ftirilmi\u015f, s\u0131f\u0131r kesintiyle ger\u00e7ekle\u015fen s\u00fcre\u00e7lerle y\u00f6neterek hem kendi operasyonel y\u00fck\u00fcn\u00fc azalt\u0131r hem de kullan\u0131c\u0131lara en yeni ve g\u00fcvenli s\u00fcr\u00fcm\u00fc sunar.<br \/>\n*   <strong>G\u00fcvenlik ve \u0130zolasyon:<\/strong> \u00c7oklu kirac\u0131l\u0131 bir ortamda g\u00fcvenlik ve izolasyonu sa\u011flamak en b\u00fcy\u00fck zorluklardan biridir. DigitalOcean, yukar\u0131da belirtilen \u00e7ok katmanl\u0131 g\u00fcvenlik yakla\u015f\u0131m\u0131yla, a\u011f d\u00fczeyinden uygulama d\u00fczeyine kadar her katmanda s\u0131k\u0131 izolasyon ve koruma sa\u011flar.<\/p>\n<h3>Sonu\u00e7<\/h3>\n<p>DigitalOcean App Platform, geli\u015ftiricilere Kubernetes&#8217;in g\u00fcc\u00fcn\u00fc, operasyonel karma\u015f\u0131kl\u0131klarla u\u011fra\u015fmadan kullanma imkan\u0131 sunan yenilik\u00e7i bir PaaS \u00e7\u00f6z\u00fcm\u00fcd\u00fcr. Bu ba\u015far\u0131n\u0131n arkas\u0131nda, DigitalOcean&#8217;\u0131n Kubernetes altyap\u0131s\u0131n\u0131 ustal\u0131kla y\u00f6netme, izleme ve g\u00fcvence alt\u0131na alma konusundaki derin uzmanl\u0131\u011f\u0131 yatmaktad\u0131r.<\/p>\n<p>DigitalOcean, otomatik sa\u011flama, \u00f6l\u00e7eklendirme ve g\u00fcncelleme s\u00fcre\u00e7leriyle y\u00f6netim y\u00fck\u00fcn\u00fc ortadan kald\u0131r\u0131r. Kapsaml\u0131 altyap\u0131 ve uygulama izleme sistemleri sayesinde olas\u0131 sorunlar\u0131 proaktif olarak tespit eder ve \u00e7\u00f6z\u00fcmler. En \u00f6nemlisi, \u00e7ok katmanl\u0131 g\u00fcvenlik stratejisiyle, a\u011f izolasyonundan konteyner g\u00fcvenli\u011fine, kimlik y\u00f6netiminden s\u00fcrekli denetimlere kadar her d\u00fczeyde platformu ve kullan\u0131c\u0131 verilerini korur.<\/p>\n<p>Sonu\u00e7 olarak, DigitalOcean App Platform, geli\u015ftiricilerin sadece kodlar\u0131na odaklanmalar\u0131n\u0131 sa\u011flarken, arka planda g\u00fcvenli, \u00f6l\u00e7eklenebilir ve y\u00fcksek performansl\u0131 bir Kubernetes ortam\u0131 sunarak modern uygulama da\u011f\u0131t\u0131m\u0131n\u0131 basitle\u015ftirir. Bu entegre yakla\u015f\u0131m, DigitalOcean&#8217;\u0131n bulut ekosistemindeki rekabet\u00e7i konumunu g\u00fc\u00e7lendiren temel unsurlardan biridir.<\/body><\/p>\n","protected":false},"excerpt":{"rendered":"DigitalOcean&#8217;\u0131n App Platform \u0130\u00e7in Kubernetes&#8217;i Nas\u0131l Y\u00f6netti\u011fi, \u0130zledi\u011fi ve G\u00fcvence Alt\u0131na Ald\u0131\u011f\u0131\nDigitalOcean App Platform, geli\u015ftiric","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":[1328],"tags":[],"class_list":{"0":"post-34563","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-bash","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) - 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