caddy cors all

Caddyfile

(cors) {
    @options {
      method OPTIONS
    }
    header @options {
      Access-Control-Allow-Origin *
      Access-Control-Allow-Methods *
      Access-Control-Allow-Headers *
      defer
    }
    respond @options 204

    @cors not method OPTIONS

    header @cors {
      Access-Control-Allow-Origin *
      defer
    }
}