sendico/frontend/pweb/caddy/Caddyfile

########################################
# Global options
########################################
{
  email {$CADDY_ACME_EMAIL}
  # debug
}

########################################
# Sendico site definition
########################################
(sendico_site) {
  vars static_root /usr/share/pweb

  encode zstd gzip

  header {
    Strict-Transport-Security "max-age=31536000; includeSubDomains; preload"
  }

  route {
    ########################################
    # Backend API
    ########################################
    handle /api/v1/* {
      # Proxy directly to the BFF container on the Docker network.
      reverse_proxy sendico-bff:8081 {
        health_uri /api/v1/health
        health_interval 15s
        health_timeout 4s
        health_status 2xx
      }
      header Cache-Control "no-cache, no-store, must-revalidate"
      header Pragma "no-cache"
      header Expires "0"
    }

    ########################################
    # Static assets with tailored caching
    ########################################
    handle /version.json {
      root * {vars.static_root}
      file_server
      header Cache-Control "no-cache, no-store, must-revalidate"
      header Pragma "no-cache"
      header Expires "0"
    }

    handle /*.main.dart.js {
      root * {vars.static_root}
      file_server
      header Cache-Control "public, max-age=3600"
    }

    handle /*.dart.js {
      root * {vars.static_root}
      file_server
      header Cache-Control "public, max-age=3600"
    }

    handle /*.js {
      root * {vars.static_root}
      file_server
      header Cache-Control "public, max-age=3600"
    }

    handle /assets/*.js {
      root * {vars.static_root}
      file_server
      header Cache-Control "public, max-age=31536000, immutable"
    }

    handle /assets/*.css {
      root * {vars.static_root}
      file_server
      header Cache-Control "public, max-age=31536000, immutable"
    }

    handle /assets/* {
      root * {vars.static_root}
      file_server
      header Cache-Control "public, max-age=31536000, immutable"
    }

    handle /canvaskit/* {
      root * {vars.static_root}
      file_server
      header Cache-Control "public, max-age=86400"
    }

    handle /icons/* {
      root * {vars.static_root}
      file_server
      header Cache-Control "public, max-age=86400"
    }

    handle /*.html {
      root * {vars.static_root}
      file_server
      header Cache-Control "public, max-age=3600"
    }

    handle /*.css {
      root * {vars.static_root}
      file_server
      header Cache-Control "public, max-age=3600"
    }

    handle /*.json {
      root * {vars.static_root}
      file_server
      header Cache-Control "public, max-age=3600"
    }

    ########################################
    # SPA fallback
    ########################################
    handle {
      root * {vars.static_root}
      try_files {path} /index.html
      file_server
      header Cache-Control "no-cache, no-store, must-revalidate"
      header Pragma "no-cache"
      header Expires "0"
    }
  }
}

########################################
# Main site
########################################
{$SERVICE_HOST} {
  import sendico_site
}