services:
  backup:
    build:
      context: .
    restart: unless-stopped
    command: "sleep infinity"
    container_name: docker-db-auto-backup
    volumes:
      - "/var/run/docker.sock:/var/run/docker.sock:ro"
      - ./backups:/var/backups
      - ./db-auto-backup.py:/usr/src/db-auto-backup/db-auto-backup.py:ro
    depends_on:
      - psql
      - mariadb
      - mysql
      - redis

  psql:
    image: postgres:alpine
    restart: unless-stopped
    environment:
      - POSTGRES_PASSWORD=password

  mariadb:
    image: mariadb:latest
    restart: unless-stopped
    environment:
      - MARIADB_ROOT_PASSWORD=password

  mysql:
    image: mysql:latest
    restart: unless-stopped
    environment:
      - MYSQL_ROOT_PASSWORD=password

  redis:
    image: redis:alpine
    restart: unless-stopped