Written by Furkan Türkal developer-guy Erkan Zileli

The first thing that comes to our minds when we want to release our Go binaries is doing it with the help of the command "go get," and of course, there is nothing wrong with this approach. But even "go get" is a…

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Written by Erkan Zileli & Furkan Türkal & developer-guy

In Trendyol, we are using Kubernetes Admission Webhooks quite heavily. Because Kubernetes is an extensible platform and we love to extend it by writing our own Kubernetes Admission Webhooks and Operators according to our business requirements. If you decide to do…

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In the previous post, we mostly had talked about writing Kubernetes Admission Webhooks by using the operator-sdk tool and created our first Mutating Admission Webhook against our custom resource type. But, this time we are going to create another type of Admission Webhook called “Validating” for core types such as…

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Kubernetes Admission Controllers concept is very popular these days, especially dynamic ones:
MutatingAdmissionWebhook and ValidatingAdmissionWebhook. 🌟

Before jump into the details of how we can write one of these, let's explain a little bit about, what are they, what we can do with them.

An admission controller is a piece…

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“Dynamic Config&Secret Management” çözümümüzü en basit haliyle hatırlatmak gerekirse, ekiplerin uygulamalarının sahip olduğu sensitive ve non-sensitive konfigürasyonlarını bir dosyaya çıkartmak ve bu dosyayı, değerlerin değişimine uygun şekilde güncel tutmak diyebiliriz. Eğer bu konudaki çözümümüzle ilgili yazıları henüz okumadıysanız sırasıyla aşağıdaki linkteki yazılara göz atmanızı tavsiye ederim. 😊

Let’s assume that we are a small organization, and at this organization, we want to migrate our workloads onto Kubernetes, but security is our primary concern and not an afterthought. So, we have already set up our clusters by following the security best practices provided by the Kubernetes official documentation

I’m planning to create a series of post related to the Kubernetes Auditing topic and this post is the first part of the series that I’m planning to do, so in the next post, I’ll show you how we can collect and visualize Kubernetes Audit logs using PLG(Promtail-Loki-Grafana) Stack.


One of the features of OpenFaaS is an auto-scaling mechanism. The auto-scaling means is that you can scale up/down your function instances as demand increases. Also, OpenFaaS provides a feature called zero-scale. By enabling this feature, you can scale to zero to recover idle resources is available in OpenFaaS.



I do mostly Go, Kubernetes, and cloud-native stuff ⛵️🐰🐳

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