CORS in Appwrite Functions - Javascript Fetch CORS Issue - Threads

Hello am trying to send a post request to my appwrite functions api server but am getting this error:

Access to fetch at 'https://[url_id].appwrite.global/' from origin 'http://localhost:3005/' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.

TL;DR

The user is experiencing a CORS (Cross-Origin Resource Sharing) issue when making a post request to an Appwrite function API server. They are trying to set the 'Access-Control-Allow-Origin' header, but they are receiving a 'TypeError: res.setHeader is not a function' error. They are asking how they can send back the header to the client if they are using the Appwrite Starter function template. The error message suggests setting the request's mode to 'no-cors' if an opaque response serves their needs. Possible Solution: To fix the issue, try using the 'res.setHeader' function in the correct context and ensure that