Proxy on Gemini interactions API

Caddyfile

(cors) {
  @cors_preflight method OPTIONS

  handle @cors_preflight {
    header Access-Control-Allow-Origin "{args.0}"
    header Access-Control-Allow-Methods "GET, POST, PUT, PATCH, DELETE, OPTIONS"
    header Access-Control-Allow-Headers "Content-Type, Authorization, x-goog-api-key, x-goog-api-client, x-stainless-lang, x-stainless-package-version, x-stainless-os, x-stainless-arch, x-stainless-runtime, x-stainless-runtime-version, x-stainless-retry-count, x-stainless-retry-count"
    header Access-Control-Max-Age "3600"
    respond @cors_preflight 204
  }

  header Access-Control-Allow-Origin "{args.0}"
  header Access-Control-Expose-Headers "Link"
}

demo.demo.demo {
  import cors *

  reverse_proxy /* https://generativelanguage.googleapis.com {
    header_up Host generativelanguage.googleapis.com            
    header_up X-Forwarded-For ""
    header_up X-Real-IP ""
    header_up Forwarded ""

    header_down -Access-Control-Allow-Origin
    header_down -Access-Control-Allow-Methods
    header_down -Access-Control-Allow-Headers
    header_down -Access-Control-Allow-Credentials
    header_down -Access-Control-Expose-Headers
    header_down -Access-Control-Max-Age

  }

  header X-DEMO PROXIED

}