version: '3.8'

networks:
  back:
volumes:
  caddy_data:
  caddy_config:
services:

  # caddy acts as a reverse proxy for synapse (matrix)
  caddy:
    image: caddy:2.6.4
    volumes:
      - caddy_data:/data
      - caddy_config:/config
      - type: bind 
        source: /var/www
        target: /www
      - type: bind
        source: ../caddy/certs
        target: /data/caddy/certificates/acme-v02.api.letsencrypt.org-directory/${DWEB_DOMAIN}
    networks:
      - back 
    ports:
      - target: 80
        published: 80
        protocol: tcp
        mode: host
      - target: 443
        published: 443 
        protocol: tcp
        mode: host
    environment:
          DWEB_DOMAIN: "${DWEB_DOMAIN}"
          DWEB_ONION: "${DWEB_ONION}"
    configs:
      - source: caddy-caddyfile-config
        target: /etc/caddy/Caddyfile
    restart: always

configs:
  caddy-caddyfile-config:
    template_driver: golang
    file: ../caddy/Caddyfile.tmpl
    external: false