server/docker-compose.yml

version: "3"
services:
  mail:
    image: boky/postfix
    restart: always
    environment:
      - ALLOWED_SENDER_DOMAINS=mail.${DOMAIN}
    ports:
      - "587:587"
    container_name: "postfix"
    volumes:
      - ./host/keys/:/etc/opendkim/keys
  postgres:
    image: postgres
    restart: always
    environment:
      - POSTGRES_PASSWORD=${DATABASE_PASSWORD}
    ports:
      - 5432:5432
    container_name: "postgres"
  server:
    build: .
    restart: always
    container_name: "server"
    ports:
      - ${PORT}:${PORT}
    environment:
      - PORT=${PORT}
      - DATABASE_URL=${DATABASE_URL}
      - DATABASE_PASSWORD=${DATABASE_PASSWORD}