Lesson 04 · 13 min
Docker Compose: app, Postgres and Redis
One file describes the whole stack, and a healthcheck makes sure the API starts after the database is ready.
13 minLesson 4 of 5Practice includedAsk AI on any point
With three services, remembering long docker run commands gets tedious. Docker Compose describes the stack in a compose.yaml file, and one docker compose up creates the network, volumes and containers. The modern command is written with a space (docker compose), and the version: key in the file is obsolete and no longer needed.
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