version: "3.8"

secrets:
  SMTP_HOST:
    file: ../secrets/smtp/SMTP_HOST
  SMTP_PORT:
    file: ../secrets/smtp/SMTP_PORT
  SMTP_USERNAME:
    file: ../secrets/smtp/SMTP_USERNAME
  SMTP_PASSWORD:
    file: ../secrets/smtp/SMTP_PASSWORD

services:
  smtp:
    image: foxcpp/maddy:0.6
    secrets: ["SMTP_HOST", "SMTP_PORT", "SMTP_USERNAME", "SMTP_PASSWORD"]
    restart: unless-stopped
    depends_on: ["smtp-setup"]
    environment:
      - MADDY_HOSTNAME=mx.${DOMAIN}
      - MADDY_DOMAIN=${DOMAIN}
    volumes:
      - ../data/smtp/data:/data
      # TODO: get from caddy?
      - ../secrets/tls/fullchain.pem:/data/tls/fullchain.pem:ro
      - ../secrets/tls/privkey.pem:/data/tls/privkey.pem:ro
    ports:
      - 25:25
      - 143:143
      - 587:587
      - 993:993

  smtp-setup:
    container_name: smtp-setup
    image: alpine
    restart: no
    secrets: ["SMTP_HOST", "SMTP_PORT", "SMTP_USERNAME", "SMTP_PASSWORD"]
    volumes:
      - ./secrets/check-secrets:/check-secrets:ro
    entrypoint: ["/check-secrets"]