docker-compose.yml

version: '3'

volumes:
  nextcloud:
  db:

services:

  redis:
    image: redis:alpine
    restart: always

  db:
    image: mariadb
    command: --transaction-isolation=READ-COMMITTED --binlog-format=ROW --innodb-file-per-table=1 --skip-innodb-read-only-compressed
    restart: always
    volumes:
      - db:/var/lib/mysql
    environment:
      - MYSQL_ROOT_PASSWORD=nextcloud
      - MYSQL_PASSWORD=
      - MYSQL_DATABASE=nextcloud
      - MYSQL_USER=nextcloud

  app1:
    image: nextcloud:fpm-alpine
    restart: always
    user: root
    volumes:
      - nextcloud:/var/www/html
    environment:
      - MYSQL_HOST=db
      - REDIS_HOST=redis
      - MYSQL_PASSWORD=nextcloud
      - MYSQL_DATABASE=nextcloud
      - MYSQL_USER=root
      - PHP_MEMORY_LIMIT=2048M
    depends_on:
      - db
      - redis

  app2:
    image: nextcloud:fpm-alpine
    restart: always
    user: root
    volumes:
      - nextcloud:/var/www/html
    environment:
      - MYSQL_HOST=db
      - REDIS_HOST=redis
      - MYSQL_PASSWORD=nextcloud
      - MYSQL_DATABASE=nextcloud
      - MYSQL_USER=root
      - PHP_MEMORY_LIMIT=2048M
    depends_on:
      - db
      - redis

  app3:
    image: nextcloud:fpm-alpine
    restart: always
    user: root
    volumes:
      - nextcloud:/var/www/html
    environment:
      - MYSQL_HOST=db
      - REDIS_HOST=redis
      - MYSQL_PASSWORD=nextcloud
      - MYSQL_DATABASE=nextcloud
      - MYSQL_USER=root
      - PHP_MEMORY_LIMIT=2048M
    depends_on:
      - db
      - redis

  cron:
    image: nextcloud:fpm-alpine
    restart: always
    volumes:
      - nextcloud:/var/www/html
    entrypoint: /cron.sh
    depends_on:
      - db
      - redis

  web:
    image: nginx
    restart: always
    ports:
      - 80:80
    links:
      - app
    volumes:
      - ./nginx.conf:/etc/nginx/nginx.conf:ro
    volumes_from:
      - app1