Docker Compose Guide — services/networks/volumes Mental Model, What depends_on Actually Means, and Real-World Pitfalls
A guide for engineers who are new to Compose and unsure how it differs from a stack of docker run lines, or why their app crashes before the DB is ready even with depends_on. Covers the mental model behind services/networks/volumes, the real behavior of healthcheck and condition: service_healthy, dev/prod separation strategies, and macOS bind mount performance — all in one place.
