docker-nextcloud/docker-compose.yml

version: "3"

services:
  nextcloud:
    ## Using Dockerfile because I want tu use 'cron'
    ## and I need to add it first to the pure image
    #image: nextcloud:latest
    build: .
    container_name: ${NC_CONTAINER_NAME:-nextcloud}
    restart: ${NC_RESTART:-unless-stopped}
    expose:
      - 9000
    depends_on:
      - db
    volumes:
      - ${LOCAL_STACK_DIR}/nextcloud/html:/var/www/html
      - /etc/timezone:/etc/timezone:ro
    networks:
      - default
      - nextcloud
    env_file:
      - nextcloud.env
      - nc_db.env
    environment:
      MYSQL_HOST: ${MYSQL_HOST:-db}
      REDIS_HOST: ${REDIS_HOST:-redis}

  db:
    image: ${DB_IMG:-mariadb}:${DB_TAG:-latest}
    container_name: ${DB_CONTAINER_NAME:-nextcloud-db}
    restart: ${DB_RESTART:-unless-stopped}
    expose:
      - 3306
    volumes:
      - ${LOCAL_STACK_DIR}/db/data:/var/lib/mysql
    networks:
      - nextcloud
    env_file:
      - nc_db.env
    environment:
      MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD}
      MARIADB_AUTO_UPGRADE: 1
    command: --transaction-isolation=READ-COMMITTED --binlog-format=ROW --skip-innodb-read-only-compressed

  redis:
    image: ${RD_IMG:-redis}:${RD_TAG:-alpine}
    container_name: ${RD_CONTAINER_NAME:-nextcloud-redis}
    restart: ${RD_RESTART:-unless-stopped}
    networks:
      - nextcloud

networks:
  default:
    external:
      name: ${NETWORK}
  nextcloud:
    internal: true