version: '3.9'

services:
  ref_test_db:
    container_name: ref_test_db
    image: mongo:5.0.4-focal
    restart: unless-stopped
    volumes:
      # - ./database/data:/data # Uncomment later when persistence is required.
      - ./database/initdb.d/:/docker-entrypoint-initdb.d/
    env_file:
      - ./.env
    ports:
      - 27017:27017
    networks:
      - backend
  
  ref_test_postfix:
    container_name: ref_test_postfix
    image: catatnight/postfix:latest
    restart: unless-stopped
    env_file:
      - ./.env
    ports:
      - 127.0.0.1:25:25
    networks:
      - backend
  
networks:
  frontend:
    external: false
  backend:
    external: false