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https://www.youtube.com/watch?v=Z0sFlwz0YvU

I'm at 20:09 in this tutorial. I set up my proxy like he did:

  "proxy": {
    "/api":{
      "target": "http://localhost:3001/api"
but got an error:
"When specified, "proxy" in package.json must be a string.
Instead, the type of "proxy" was "object".
Either remove "proxy" from package.json, or make it a string."
So I made a file client/src/setupProxy.js with this code:
const proxy = require('http-proxy-middleware');
module.exports = function(app) {
    app.use(proxy('/api',
        { target: 'http://localhost:3001' }
Now I am getting a 504 gateway timeout error.
Since I made that tutorial proxy cannot be an object try:
"proxy": "http://localhost:3001/api"
"proxy": "http://localhost:3001"
Your request would have to be:
fetch(`/api/login`,...
        
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