#Docker Compose

docker run to docker-compose: The Complete Migration Guide (with Flag Map)

Migrate docker run commands to docker-compose.yml: five advantages of compose over raw run, a flag-by-flag mapping table (ports, volumes, env, restart, networks), the classic pitfalls (bare -e passthrough, anonymous volumes, --rm semantics), and an online converter that runs locally in your browser.

Container Name Is Already in Use: Resolving the Conflict Error

docker run fails with Conflict. The container name /xxx/ is already in use? An old container with the same name still exists — stopped containers keep their names too. Covers finding the squatter with docker ps -a, rm -f to free it, compose down for project leftovers, --rm for one-shot runs, and restart-policy resurrections.