version: '2' services: dpo: build: context: . dockerfile: Dockerfile #image: juanluisbaptiste/postfix:latest expose: - "25" env_file: - .env restart: always volumes: - dpo_root:/root - "/etc/localtime:/etc/localtime:ro" networks: - mn deb: image: debian:latest tty: yes stdin_open: yes networks: - mn networks: mn: volumes: dpo_root: