Docker Compose

Summary

A tool for defining and running multi-container applications — e.g. your API plus its database plus Redis — together, with one YAML file and one command.

How to Learn This

1Write a `docker-compose.yml` running your API alongside a PostgreSQL container.
2Learn how Compose handles networking between services automatically by service name.
3Practice `docker compose up`/`down` for the full local dev environment.

Docker Images & Containers

Volumes

More topics in Docker & Containers

Docker Basics Dockerfile Docker Images & Containers Volumes Networking in Docker Multi-stage Builds Container Registries Kubernetes Basics (Overview)

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