Expressjs 503 service unavilable

[itzDanny96]

i’d like to point you to this i just posted.

cors errors im getting seem to be due to cloudfare afaik

Express server with socket.io getting cors error: No 'Access-Control-Allow-Origin' header is present on the requested resource despite it being set for both express and socket.io

I am using free tier web service running node js. My code sets up a server with express and then also create a socket.io server instance. Running my server locally on http://localhost:8080, I can connect from my front end development server running at http://localhost:3000 and from the same front end code hosted at vercel with an entirely different domain. both can connect without returning cors errors. My backend server is now hosted on render and I can access API routes such as [renderURL]/…