nas-compose/nextcloud/docker-compose.yml

services:
  nextcloud_redis:
    image: redis:alpine
    container_name: nextcloud_redis
    networks:
      - nginx_proxy_manager
    restart: always

  nextcloud_db:
    image: mariadb:lts
    container_name: nextcloud_db
    command: --transaction-isolation=READ-COMMITTED --binlog-format=ROW
    volumes:
      - CHANGE_TO_COMPOSE_DATA_PATH/nextcloud/db:/var/lib/mysql
    environment:
      - MARIADB_AUTO_UPGRADE=1
      - MARIADB_ROOT_PASSWORD=${NEXTCLOUD_MARIADB_ROOT_PW}
      - MARIADB_DATABASE=nextcloud
      - MARIADB_USER=nextcloud
      - MARIADB_PASSWORD=${NEXTCLOUD_DB_PW}
    networks:
      - nginx_proxy_manager
    restart: always

  nextcloud_app:
    image: nextcloud:latest
    container_name: nextcloud
    networks:
      - nginx_proxy_manager
    volumes:
      - CHANGE_TO_COMPOSE_DATA_PATH/nextcloud/app:/var/www/html
      - CHANGE_TO_COMPOSE_DATA_PATH/nextcloud/app/data:/var/www/html/data
    environment:
      - MYSQL_HOST=nextcloud_db
      - MYSQL_DATABASE=nextcloud
      - MYSQL_USER=nextcloud
      - MYSQL_PASSWORD=${NEXTCLOUD_DB_PW}
      - REDIS_HOST=nextcloud_redis
      - NEXTCLOUD_ADMIN_USER=admin
      - NEXTCLOUD_ADMIN_PASSWORD=${NEXTCLOUD_ADMIN_PW}
      - NEXTCLOUD_TRUSTED_DOMAINS=${NEXTCLOUD_TRUSTED_DOMAIN}
      - TRUSTED_PROXIES=nginx_proxy_manager
      - OVERWRITEPROTOCOL=https
    restart: always
    stop_grace_period: 5m

networks:
  nginx_proxy_manager:
    external: true