container-server/nextcloud/docker-compose.yml

version: '3.7'

# https://hub.docker.com/_/nextcloud/

networks:
  nextcloud:

services:
  nextcloud:
    image: nextcloud:18
    container_name: nextcloud
    restart: "${RESTART:-no}"
    hostname: cloud
    domainname: ${BASE_DOMAIN}
    environment:
      - POSTGRES_HOST=pg-nextcloud
      - POSTGRES_DB=nextcloud
      - POSTGRES_USER=nextcloud
      - POSTGRES_PASSWORD=${NEXTCLOUD_PG_PWD:-password}
    volumes:
      - ${BASE_DIR:-/srv}/nextcloud/html:/var/www/html              # Main folder, needed for updating
      - ${BASE_DIR:-/srv}/nextcloud/apps:/var/www/html/custom_apps  # installed / modified apps
      - ${BASE_DIR:-/srv}/nextcloud/config:/var/www/html/config     # local configuration
      - ${BASE_DIR:-/srv}/nextcloud/data:/var/www/html/data         # the actual data of your Nextcloud
      - ${BASE_DIR:-/srv}/nextcloud/themes:/var/www/html/themes     # theming/branding
    depends_on:
      - pg-nextcloud
    networks:
      - proxy
      - mail
      - nextcloud

  pg-nextcloud:
    image: postgres:12-alpine
    container_name: pg-nextcloud
    restart: "${RESTART:-no}"
    environment:
      - POSTGRES_DB=nextcloud
      - POSTGRES_USER=nextcloud
      - POSTGRES_PASSWORD=${NEXTCLOUD_PG_PWD:-password}
    volumes:
      - ${BASE_DIR:-/srv}/nextcloud/psql:/var/lib/postgresql/data
    networks:
      - nextcloud