12/12/2021

01/11/2021

Now I'm a Certified Kubernetes Security Specialist + exam tips

On Saturday 30.10.2021 and in less than 24 hours of the exam, I got an email that I passed the CKS exam on the first try and I'm now a Certified Kubernetes Security Specialist. So now I have the 3 Kubernetes certificates (CKA, CKAD, and CKS). 🎉🎉 So is it now DevSecOps? 😄️ Well...
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10/10/2021

Create your first Ansible-based Kubernetes Operator - Tutorial

This is a hands-on tutorial for a fully-functional Kubernetes Operator as a follow up of the Introduction to Kubernetes Operators. This Proof-of-Concept shows how you can reuse your Ansible code/skills to do automation on Kubernetes which also allows you to wrap any application (even legacy ones)...
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22/09/2021

Docker Best Practices Workshop - Presentation

Well, this is the 3rd post in the same month, I didn't do that for a long time! But Q3 2021 has been super productive and many things have been done. Yesterday, as part of the knowledge share and developer enablement at Camunda, I delivered a Docker Best Practices Workshop which was available...
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11/09/2021

How a small task force revamped and modernized a gigantic CI pipeline - DevOps Transformation

One of the typical cases for DevOps transformation is when a team has the ownership of a component they shouldn't own in the first place. For example, when you have super complex CI/CD, and the developers don't manage the CI/CD jobs directly but with help from the operations team. Let's...
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09/09/2021

31/08/2021

07/07/2021

05/05/2021

04/04/2021

02/02/2021

Use Kubernetes annotations to relabel Prometheus metrics with prefix/suffix - Monitoring

Prometheus became the de facto standard for Kubernetes monitoring. And either you use Prometheus Operator or manage Prometheus yourself on K8s, it works great. Many applications now expose metrics in Prometheus format. However, some applications don't follow...
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11/01/2021

Use ConfigMap as a dynamic var source in Kustomize - Kubernetes

Update 25.07.2021: As mentioned before, the vars option will be deprecated in favor of replacements. Kustomize is a declarative configuration tool for Kubernetes. And unlike other tools like Helm, it's "template-free", in a simple put, it's like merging dictionaries (Python) or maps (Java). A pure declarative style could be annoying sometimes! But actually, Kustomize has a feature called...
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Hello, my name is Ahmed AbouZaid, I'm a passionate Tech Lead DevOps Engineer. 👋

I specialize in Cloud-Native and Kubernetes. I'm also a Free/Open source geek and book author. My favorite topics are DevOps transformation, DevSecOps, automation, data, and metrics.

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Research Paper: Building a Modern Data Platform Based on the Data Lakehouse Architecture and Cloud-Native Ecosystem

Finally, after months of hard work, I have published my first research paper in a double-blind peer-reviewed scientific journal by the in...

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