--- services: nextcloud: image: lscr.io/linuxserver/nextcloud:latest container_name: nextcloud environment: - PUID=1000 - PGID=1000 - TZ=Europe/Paris volumes: - /srv/nextcloud/config:/config - /srv/nextcloud/data:/data restart: unless-stopped networks: - my_service mariadb: image: lscr.io/linuxserver/mariadb:latest container_name: nextclouddb environment: - PUID=1000 - PGID=1000 - TZ=Europe/Paris - MYSQL_ROOT_PASSWORD=${PASSWD_ROOT} volumes: - /srv/mariadb/config:/config restart: unless-stopped networks: - my_service networks: my_service: external: true