Compose files, Dockerfiles and the mistakes between them, explained.
Docker compose volumes solve one problem, and it's a problem every self-hoster runs into eventually: when a container gets torn down, where does its data go? Get the answer wrong and you'll watch...
Read moreYou copied a compose.yaml from a README, dropped a POSTGRES_PASSWORD=supersecret line into a file called .env, and ran docker compose up. Instead of a running database, you got a warning: "The...
Read moreOne YAML file describes every container your app needs, and one command starts them together. What each part of the file does, how the Dockerfile fits in, and the checks that make it start everywhere.
Read more
