gists/docker.md

Docker

Manage containers

• Start a container from a compose file: docker-compose up -d

• Access a container: docker exec -it CONTAINER bash

• Remove a volume not associated with any container: docker volume prune

List containers

• Show running containers: docker ps

• Show all existing containers: docker ps -a

Database

• Backup a database from a container docker exec CONTAINER /usr/bin/mysqldump -u root --password=root DATABASE > backup.sql

• Restore a database to a container cat backup.sql | docker exec -i CONTAINER /usr/bin/mysql -u root --password=root DATABASE

Specifics use

Nextcloud

• Manage a Nextcloud Docker instance docker exec -u www-data -it nextcloud-web php occ maintenance:mode --off