version: '3' services: mailapi: build: . restart: unless-stopped container_name: mailapi environment: - PORT=8080 - MAIL_FROM="My contact form " - MAIL_TO=me@myserver.tld - MAIL_SERVER=mail.myserver.tld - MAIL_USER=mailer@myserver.tld - MAIL_PASS=XXXXXXXXXXXXXXXXXXXXXXX ports: - "8080:8080/tcp"