Docker tips

docker.md

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+Show running containers
+`docker ps`
+
+Show all existing containers
+`docker ps -a`
+
+Access a container
+`docker exec -it CONTAINER bash`
+
+Remove a volume not associated with any container
+`docker volume prune`
+
+Start a container from a compose file
+`docker-compose up -d`
+
+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`