DevOps ²⁵

2026

ArgoCD GitOps Implementation: From Installation to a Complete CD Flow 04-21

Advanced GitHub Actions: Path Filter, Concurrency, Cache, and GitOps Auto-Update 04-20

Terraform Bootstrap Design: WIF, Artifact Registry, and GitHub Actions CI/CD 04-16

System Design Essentials: Redis, Rate Limiting, Circuit Breaker, and Scaling Strategies 04-15

Terraform Module Design, Remote State, and Ansible Fundamentals 04-14

GCP Networking Fundamentals and API Gateway Design 04-11

Networking Fundamentals: DNS, HTTP/HTTPS, Load Balancer, and Proxy 04-09

Kubernetes Failure Modeling: Memory Kills, Health Checks, Configuration Objects, and Logical Partitions 04-02

Cloud Run Runtime Contract: Environment Variable Injection, Secret-Gated Auth Bypass, and Auto-Deploy Pipeline 03-30

First Production Custom Domain Cutover on Cloud Run: Domain Mapping, Search Console, and Certificate Wait-Window Pitfalls 03-27

Why I Didn't Use Reusable Workflows: GitHub Actions Readability, Maintainability, and Operator-Facing Tradeoffs 03-26

GitHub Actions + GCP WIF: Least Privilege Across Branches, Workflows, and Service Accounts 03-25

From a Single Terraform Root to Modules + Live: Phased Migration, Import, and State Surgery 03-24

Dev/Prod Isolation in a Single GCP Project: State, Secrets, IAM, and Workflow Boundaries 03-23

Migrating From AWS EC2 to GCP Cloud Run: Architecture Decisions and Pitfalls 03-11

From Kind to K3s: Local Registry and Production Deployment Workflow 02-26

Kubernetes Hands-On: Stable Networking, Zero-Downtime Deploys, Autoscaling, and Troubleshooting 02-25

Kubernetes Core Architecture: Cluster, Pod, Deployment, and Declarative Management 02-25

Docker Hands-on Observations: Layer Cache, Restart Behavior, Image Selection, and Resource Limits 02-19

Docker Core Concepts: Containers Are Not Magic, They Are Linux Processes + Isolation 02-19

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