#compose.yaml

1 guide

Annotated docker-compose.yml file with callouts pointing at the services, ports, volumes, and environment keys

docker-compose.yml Explained Line by Line

A line-by-line walkthrough of a real docker-compose.yml file: services, image, ports, volumes, environment, depends_on, networks, and the top-level keys.

Sysadmin Desk Sep 5, 2026 8 min read