---
services:
  db:
    image: docker.io/postgres:15
    restart: unless_stopped
    environment:
      - POSTGRES_DB
      - POSTGRES_USER
      - POSTGRES_PASSWORD
    volumes:
      - db:/var/lib/postgres/data/

  redis:
    image: docker.io/redis:latest
    restart: unless_stopped

  dovecot:
    build: dovecot
    restart: unless_stopped
    environment:
      - BASE_URL
      - POSTGRES_HOST
      - POSTGRES_DB
      - POSTGRES_USER
      - POSTGRES_PASSWORD
    volumes:
      - mailboxes:/usr/lib/dovecot/Maildir/

  postfix:
    build: postfix
    restart: unless_stopped

volumes:
  db: {}
  mailboxes: {}