DevOps Blog

Real-world experiences, lessons learned, and technical insights from building production infrastructure. Stories from the trenches of DevOps, Kubernetes, cloud platforms, and platform engineering.

Creating Reusable GitHub Actions with Composite Actions

Creating Reusable GitHub Actions with Composite Actions

Learn how to consolidate repetitive workflows across multiple repositories using GitHub composite actions and matrix strategies to maintain a single source of truth.

shell scriptgithub
Dev Container

Dev Container

Since my first job after college graduation, I have been looking for a way to setup a portable development environment for the following reasons:

docker
Triggering GitHub Workflows Across Repositories with Repository Dispatch

Triggering GitHub Workflows Across Repositories with Repository Dispatch

Learn how to trigger workflows in one GitHub repository from another using repository dispatch, with examples in curl and Python.

shell scriptgithub
Hackathon Champion: Dockerizing a Monolith Platform

Hackathon Champion: Dockerizing a Monolith Platform

Winning a company hackathon by leading a team to Dockerize a complex monolith platform, reducing setup time from days to hours and driving cross-team collaboration.

dockerhackathon
Auto Increment with Postgres and JPA

Auto Increment with Postgres and JPA

I want to have Postgres to auto generate ID for my Springboot application entity, using Liquibase.

sqlpostgresjava
Helm Template Tips

Helm Template Tips

Helm templates provide a powerful way to configure Kubernetes manifests dynamically. In this post, we’ll cover some useful tricks, including:

helmkubernetes
How to Apply Fun Technologies You Learn at Work for Home

How to Apply Fun Technologies You Learn at Work for Home

Rebuilding a home server using Docker, Git, and Jenkins—technologies learned at work—to create a unified entertainment system, personal cloud, and automated maintenance.

dockerjenkinshome-server
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