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How Do We Mitigate Memory Leak in Kubernetes with a One-liner Commit
How Do We Mitigate Memory Leak in Kubernetes with a One-liner Commit
Hello everyone, today we will talk about a 3-month agony troubleshooting journey of a production problem that caused more than 10…
Muhammet Ozekli
May 9, 2023
Kubernetes IO Problem Investigation
Kubernetes IO Problem Investigation
Hello everyone, today we will be talking about troubleshooting a bug that affects the performance and Response Time of our applications,
Muhammet Ozekli
Nov 3, 2022
Why Developer Experience Is Critical?
Why Developer Experience Is Critical?
Technology is continually growing, becoming more powerful with each passing day. According to EventsData.com, the number of developers…
Gokhan Karadas
Jul 18, 2022
Platform
Infrastructure Design with Data: A New Watcher!
Infrastructure Design with Data: A New Watcher!
3 Data Centers, 3 different providers, 4 fabrics, 7 regions, 300 cabinets, 4000 servers, 569 TB memory and 219 K CPU in use, 18058 VMs…
Elif Akyıldırım
Mar 6, 2022
Manage Kubernetes Admission Webhook's certificates with cert-manager CA Injector and Vault PKI📝…
Manage Kubernetes Admission Webhook's certificates with cert-manager CA Injector and Vault PKI📝…
Authors: Furkan Türkal developer-guy Erkan Zileli
developer-guy
Jan 6, 2022
Probing Endpoints with Blackbox-Exporter. How ? Why ?
Probing Endpoints with Blackbox-Exporter. How ? Why ?
We developed a project by using blackbox-exporter as pe-container team and decided to write our journey. Don’t be hesitate to ask any…
Yasintahaerol
Nov 16, 2021
5 Ways of Managing TLS Certificates for your Kubernetes Admission Webhooks
5 Ways of Managing TLS Certificates for your Kubernetes Admission Webhooks
Written by Erkan Zileli & Furkan Türkal & developer-guy
developer-guy
Sep 1, 2021
Operator SDK - Fixing Metrics in Old Version
Operator SDK - Fixing Metrics in Old Version
Hello everyone, in this post I will show you a workaround to overcome an issue in old version of Operator SDK (v0.18.2 to be precise).
Emre Savcı
Jun 30, 2021
Istio mTLS between multiple clusters
Istio mTLS between multiple clusters
In Trendyol we believe in autonomous teams, and try to provide any resources they need to fulfill the team’s needs. However, we also have…
Necatican Yıldırım
Apr 19, 2021
Getting Started to Write Your First Kubernetes Admission Webhook Part 2✨
Getting Started to Write Your First Kubernetes Admission Webhook Part 2✨
In the previous post, we mostly had talked about writing Kubernetes Admission Webhooks by using the operator-sdk tool and created our…
developer-guy
Apr 12, 2021
Extending Kubernetes - Writing Custom Resources/Controllers With Operator SDK
Extending Kubernetes - Writing Custom Resources/Controllers With Operator SDK
Kubernetes sağladığı çeşitli extension pointler sayesinde farklı yönlerden extend edilebilir bir yapıya sahiptir. Örneğin network…
Emre Savcı
Apr 11, 2021
Getting Started to Write Your First Kubernetes Admission Webhook Part 1✨
Getting Started to Write Your First Kubernetes Admission Webhook Part 1✨
Kubernetes Admission Controllers concept is very popular these days, especially dynamic ones: MutatingAdmissionWebhook and…
developer-guy
Apr 6, 2021
Dynamic Config&Secret Management Sürecimize Tamamen Farklı Bakış🔮👀
Dynamic Config&Secret Management Sürecimize Tamamen Farklı Bakış🔮👀
“Dynamic Config&Secret Management” çözümümüzü en basit haliyle hatırlatmak gerekirse, ekiplerin uygulamalarının sahip olduğu sensitive ve…
developer-guy
Mar 29, 2021
Dynamic Config&Secret Management Sidecar Geliştirme Serüvenimiz
Dynamic Config&Secret Management Sidecar Geliştirme Serüvenimiz
·⛵☀️🌊 Dynamic Config&Secret Management Sidecar Geliştirme Serüvenimiz · ✨ Dynamic Config & Secret Management Sidecar ∘ 👨 Sidecar…
developer-guy
Mar 25, 2021
Enforce Organizational Policies and Security Best Practices to your Kubernetes Clusters By Using…
Enforce Organizational Policies and Security Best Practices to your Kubernetes Clusters By Using…
Let’s assume that we are a small organization, and at this organization, we want to migrate our workloads onto Kubernetes, but security is…
developer-guy
Jan 24, 2021
Istio Cross Cluster Microservice Security - Authorization & mTLS
Istio Cross Cluster Microservice Security - Authorization & mTLS
Merhabalar, bu yazıda Trendyol Platform ekibi olarak geliştirmesini yaptığımız cross cluster service authorization projesinde Istio’nun…
Emre Savcı
Jan 11, 2021
Kafka Test Containers with GoLang
Kafka Test Containers with GoLang
Do we need test containers?
Onur Süme
Dec 21, 2020
Cross Cluster Service Authorization - Sidecar Toolkit - Using OPA & Istio within Kubernetes
Cross Cluster Service Authorization - Sidecar Toolkit - Using OPA & Istio within Kubernetes
Gelişen ve büyüyen bir microservice ekosistemine sahipseniz servisleriniz arasında güvenli iletişimi sağlamak gün geçtikçe zorlayıcı bir…
Emre Savcı
Nov 30, 2020
Observe your Kubernetes Admission Webhook Configurations easily
Observe your Kubernetes Admission Webhook Configurations easily
In this guide, we are gonna talk about the journey of writing a kubectl plugin for Kubernetes Admission Webhooks. Let’s divide this…
developer-guy
Nov 18, 2020
How we archive and compress Couchbase data?
How we archive and compress Couchbase data?
You don’t need cold data in the production! Archive it.
Ahmet Rende
Nov 10, 2020
TLS Certificates for Kubernetes Admission Webhooks made easy with Certificator and Helm Hook?
TLS Certificates for Kubernetes Admission Webhooks made easy with Certificator and Helm Hook?
In this post, we are going to demonstrate that how can we manage TLS Certificates for our Kubernetes Admission Webhooks automatically with…
developer-guy
Nov 2, 2020
Ne eeettin Istio?(Sidecar Lifecycle Problemi) 🤔 ⛵️
Ne eeettin Istio?(Sidecar Lifecycle Problemi) 🤔 ⛵️
Merhabalar, bu yazımıza diğerlerinden farklı olarak Dynamic Config & Secret Management sürecindeki yaşadığımız bir tecrübemiz ilham…
developer-guy
Oct 21, 2020
Podman ve Buildah’ın Hikayesi
Podman ve Buildah’ın Hikayesi
Merhabalar, bu yazımızda son zamanlarda sıkça duyduğum ve araştırmak , denemek istediğim bir konudan bahsediyor olacağım. Podman ve…
developer-guy
Sep 29, 2020
PostgreSQL — Receiving Patroni Auto Failover Notification
PostgreSQL — Receiving Patroni Auto Failover Notification
Sending a simple notification for PostgreSQL Patroni cluster failovers.
Ahmet Rende
Aug 10, 2020
Trendyol CDN — 2
Trendyol CDN — 2
Trendyol olarak Open Source teknolojileri aktif bir şekilde kullanıyoruz kendimiz gelişirken ekosistemi de geliştirmeye yönelik…
Levent CENGIZ
Aug 25, 2020
Kustomize’ın gücünden niye faydalanmayalım ki?
Kustomize’ın gücünden niye faydalanmayalım ki?
Merhaba, bu yazımızda da Kustomize adlı aracımızdan ve bu aracı bir uygulamamız ki bu örnekte Trendyol içerisindeki global authorization…
developer-guy
Aug 24, 2020
Mutating Admission Webhook’umuzu deploy etmeden önce e2e testini nasıl gerçekleştirdik ?
Mutating Admission Webhook’umuzu deploy etmeden önce e2e testini nasıl gerçekleştirdik ?
Merhabalar , bu yazımızda Kubernetes’in extensibility özelliğinden faydalanarak geliştirmiş olduğumuz “Dynamic Configuration & Secret…
developer-guy
Aug 10, 2020
Trendyol Platform Team - Caching Service to Service Communications on Kubernetes & Istio
Trendyol Platform Team - Caching Service to Service Communications on Kubernetes & Istio
Service discovery ile haberleşen microserviceler arası caching sorununu nasıl çözdük?
Emre Savcı
Aug 10, 2020
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