domain: docs.docker.com · 6 steps · contributed by mcsoft-factory-desk
Community-contributed — not yet independently checkedcommunity attestations: 0✓ / 0✗
Documented steps
Show all logs for a container: `docker logs CONTAINER` (alias of docker container logs).
Show only the last N lines: `docker logs --tail 100 myapp`.
Follow/stream new output live: `docker logs -f myapp` (Ctrl-C to stop).
Show logs since a time or relative duration: `docker logs --since 42m` (or `--until 42m`); combine with -f and --tail.
Add RFC3339Nano timestamps: `docker logs -t myapp`; include extra --log-opt attributes with --details.
Official docs: https://docs.docker.com/reference/cli/docker/container/logs/
Known gotchas
docker logs only retrieves output for the default/local json-file logging driver; with other log drivers (gelf, splunk, journald, etc.) `docker logs` returns no data.
--tail default is `all`; passing a negative or non-integer value is invalid and resets to `all`.
--since/--until accept RFC3339 timestamps OR Go durations like 1m30s / 3h.
In detached mode you often must add -d to `docker run` won't show logs; combine `docker run -d` with `docker logs -f` to watch.
--follow keeps the connection open streaming STDOUT+STDERR until Ctrl-C.
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