Introduction Modern applications must work across multiple Python versions. However, running tests one version at a time slows down development. Instead of waiting for sequential builds, you can execute tests […]
Introduction Manual Docker builds often cause inconsistent image versions and deployment errors. Developers may forget to test containers before pushing them to a registry. As a result, production environments become […]
Introduction In modern DevOps teams, engineers usually manage many applications at the same time. However, when each application has its own Jenkins pipeline written from scratch, problems quickly appear. Pipelines […]
Introduction By default, Jenkins runs on port 8080. While this works for quick testing, it can cause problems in real environments. Port 8080 is commonly scanned by attackers, often blocked […]
Deployments often cause downtime when the old version of an application is stopped before the new version is ready.Even a short outage can break user trust. In this blog, I […]
How to Safely Free Disk Space on an EC2 Free Tier Server Introduction Disk space issues are one of the most common problems on AWS EC2 Free Tier servers.When disk […]
Introduction When teams begin using Docker, they often face two common problems.First, database data disappears after container restarts.Second, applications sometimes fail to connect to databases. Because of these issues, beginners […]
A beginner-friendly guide to running a full-stack TODO app with Docker. Learn how Docker Volumes protect your data even when containers are deleted, all without using Docker Compose. Introduction I […]
A beginner-friendly guide to connecting Docker containers using custom networks. Learn how to deploy a web application with MySQL database without Docker Compose. Introduction Recently, I worked on a common […]
