version: '2' services: snappymail: image: leojonathanoh/snappymail:merge ports: - 8888:8888 volumes: - snappymail:/var/lib/snappymail networks: - default - db-network - redis-network restart: unless-stopped mysql: image: mariadb:10 environment: - MYSQL_ROOT_PASSWORD=root - MYSQL_USER=snappymail - MYSQL_PASSWORD=snappymail - MYSQL_DATABASE=snappymail volumes: - mysql:/var/lib/mysql networks: - db-network restart: unless-stopped redis: image: redis:7-alpine networks: - redis-network restart: unless-stopped networks: default: db-network: internal: true redis-network: internal: true volumes: mysql: driver: local snappymail: driver: local