Node.js Backened Deploying Error(Cannot GET /)

I am trying to deploy a full stack MERN application on render. I was able to get the front end application working through the static site. However, the backened application is giving me an error even though it was successfully deployed.

Backend Settings:
Build Command: npm install
Start Command: node index.js

Frontend Settings:
Build Command: npm run build
Start Command: build

Hi there

What would you want the response to be? The server seems to be up and running, there is just no routes configured in your express app for the root.

You’re code is probably something like

app.use('/something, (req, res) => { // do stuff }))`

so the backend would give a response on /something but not on /

To what routes is your front-end code making requests to.

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