services:
  docs:
    environment:
      - VITE_HMR_HOST=${SITE_DOMAIN}
    volumes:
      - ./src:/app/src
      - ./public:/app/public
      - ./astro.config.mjs:/app/astro.config.mjs
    labels:
      caddy.reverse_proxy: "{{upstreams 4321}}"
      # HMR WebSocket support -- keeps Vite hot-reload alive through Caddy
      caddy.reverse_proxy.flush_interval: "-1"
      caddy.reverse_proxy.transport: http
      caddy.reverse_proxy.transport.read_timeout: "0"
      caddy.reverse_proxy.transport.write_timeout: "0"
      caddy.reverse_proxy.transport.keepalive: "5m"
      caddy.reverse_proxy.transport.keepalive_idle_conns: "10"
      caddy.reverse_proxy.stream_timeout: "24h"
      caddy.reverse_proxy.stream_close_delay: "5s"