vps/roles/mailserver/templates/docker-compose.yaml

services:  
  mailserver:
    container_name: mailserver
    image: docker.io/stalwartlabs/mail-server:v0.8.4
    restart: always
    user: "{{ users['mailserver'] }}:{{ users['mailserver'] }}"
    ports:
      - "{{ ports['mailserver_smtp'] }}:25"
      - {{ ports['mailserver_smtps'] }}:465
      - {{ ports['mailserver_imaps'] }}:993
      - {{ ports['mailserver_https'] }}:443
    volumes:
      - {{ volumes['mailserver_tls_certificate_file'] }}:/etc/fullchain.pem:ro
      - {{ volumes['mailserver_tls_certificate_key_file'] }}:/etc/privkey.pem:ro
      - {{ volumes['mailserver_datadir'] }}:/opt/stalwart-mail