version: '3'

services:
  db:
    image: postgres
    restart: always
    volumes:
      - db:/var/lib/postgresql/data
    env_file:
      - db.env

  app:  
    image: nextcloud:fpm
    restart: always
    volumes:
      - nextcloud-data:/var/www/html/data  
      - nextcloud-config:/var/www/html/config  
      - nextcloud-apps:/var/www/html/custom_apps
      - nextcloud-theme:/var/www/themes/mytheme
      # full html dir must be last in mount order
      - nextcloud:/var/www/html
    environment:
      - POSTGRES_HOST=db
    env_file:
      - db.env
    depends_on:
      - db

  web:
    build: ./web
    restart: always
    ports:
      - 8080:80
    volumes:
      # volumes must copy-past volume section from app with readonly 
      - nextcloud-data:/var/www/html/data:ro
      - nextcloud-config:/var/www/html/config:ro
      - nextcloud-apps:/var/www/html/custom_apps:ro
      - nextcloud-theme:/var/www/themes/mytheme:ro
      # full html dir must be last in mount order
      - nextcloud:/var/www/html:ro
    depends_on:
      - app

volumes:
  db:
  nextcloud:
  nextcloud-data:
  nextcloud-config:
  nextcloud-apps:
  nextcloud-theme: