Adding environment variables is different for every platform, [here's a guide on how to add environment variables on Cloudflare](https://developers.cloudflare.com/workers/configuration/environment-variables/#add-environment-variables-via-the-dashboard). You'll have to do some research on your own if you aren't hosting the proxy on Cloudflare.
Keep in mind that you will also need to [configure the Turnstile key on the client](../client/configuration.mdx#vite-turnstile-key) and **configure the [`JWT_SECRET`](#jwt-secret) below.**