Docker Compose

If you’re running containers past the “it works on my laptop” stage, you’ll eventually hit this fork in the road: stick with Docker Compose or move to Kubernetes.

If you’ve spent any time working with multi-container applications, you’ve almost certainly typed docker compose up build into your terminal, only to get a syntax error or unexpected behavior.

If your containers are misbehaving, the first place to look is the log output — and the docker compose logs command is how you get it.

If you’ve ever restarted a container and watched your database vanish into thin air, you already understand why docker compose volumes matter.

If you’re new to containers, the confusion between a Dockerfile and Docker Compose is almost a rite of passage.

If you’ve ever edited a Dockerfile or changed a dependency in requirements.txt or package.json and then run docker compose up, only to find your container is still running the old code, you’ve hit the…

If you’ve spent any time building multi-container applications, you already know that hardcoding configuration values into your docker-compose.yml is a fast track to pain.

Running PostgreSQL locally used to mean installing packages, fighting with version conflicts, and cleaning up leftover config files.

If you’ve ever pasted a database password directly into a docker-compose.yml file under environment:, you’ve already leaked it.

When a container silently dies or a service starts throwing errors at 2 AM, docker compose logs is usually the first command you reach for.