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sirmusera
Linux, DevOps and Infrastructure Engineer with hands-on experience in AWS, Kubernetes/OpenShift, Ansible, CI/CD, automation, and production troubleshooting. I enjoy building reliable systems, reducing operational toil, and improving developer workflows through practical DevOps practices and automation. Passionate about open source, clear technical communication, and creating infrastructure that is scalable, observable, and easy to operate. https://www.linkedin.com/in/musera-isaac/

Author's Posts

Progressive Delivery on Kubernetes with Argo Rollouts, ArgoCD, and Helm 0
- CI/CD Pipelines, DevOps Tools, Infrastructure as Code, Job Automation, Kubernetes, Monitoring & Logging
- May 10, 2026
Build a production-minded GitOps release workflow with Helm, ArgoCD, Argo Rollouts, Prometheus analysis, controlled canary traffic, and tested rollback paths.
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Terraform Module Design for a Production EKS Platform 0
- Best Practices & Patterns, CI/CD Pipelines, Cloud Platforms, Configuration Management, DevOps Tools, Infrastructure as Code, Kubernetes, Security & Hardening
- March 17, 2026
Design a production-grade Terraform module for Amazon EKS with clear state boundaries, secure defaults, typed interfaces, Pod Identity, testing, policy gates, and safe upgrades.
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Building Ephemeral Preview Environments for Every Pull Request 0
- Best Practices & Patterns, CI/CD Pipelines, Containers & Docker, DevOps Tools, Kubernetes
- January 9, 2026
Build secure, disposable Kubernetes preview environments for pull requests with GitHub Actions, GHCR, Argo CD ApplicationSet, Helm, isolated namespaces, and automatic cleanup.
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Designing Fast, Safe CI/CD Pipelines with Self-Hosted GitHub Actions Runners on AWS 0
- Best Practices & Patterns, CI/CD Pipelines, Cloud Platforms, Containers & Docker, DevOps Tools, Kubernetes, Security & Hardening
- December 5, 2025
Design fast, secure CI/CD pipelines on AWS using GitHub Actions Runner Controller, ephemeral EKS runners, OIDC credentials, Karpenter capacity, and hardened trust boundaries.
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Most Read
Commented

What is a Sidecar Container in OpenShift/Kubernetes?
- Containers & Docker
- November 22, 2014
Storage Management in RHEL/CentOS made Simpler (CLI Tools)
- Best Practices & Patterns, Linux Basics, System Administration, Web Servers
- June 9, 2025
Running DeepSeek on Linux: A Step-by-Step Guide
- AI, Linux Basics, System Administration, Virtualization, Web Servers
- June 12, 2025

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