DevOps DailyReal Guides for Real Engineers

Understanding the Difference Between COPY and ADD in Dockerfiles

Connecting to Host Machine's Localhost from a Docker Container

How Docker Differs from a Virtual Machine (And Why It Matters)

Containers and virtual machines both isolate environments, but they work in very different ways. This guide explains the key differences and when to use each.

How We Reduced Our AWS Bill by 73% While Actually Improving Performance

The counterintuitive strategies we used to slash cloud costs while actually improving application performance.

The GitHub Actions Workflow That Eliminated Our DevOps Bottleneck

How we reduced deployment time from 2 hours to 8 minutes using smart GitHub Actions patterns and parallel execution strategies.

Why Running Postgres on Kubernetes Is Still a Bad Idea (And What to Do Instead)

Everyone wants to run databases on Kubernetes, but should you? We explore the real challenges of stateful workloads and better alternatives.