api - ReactJS - App Issues after Deployment -


i started first website reactjs.

question 1 on localhost run backend on port=3001 , app on port=3000. using react-scripts build created build frontend, looks "proxy": "http://localhost:3001" not taken under consideration when creating build.

now after deployment on server api calls returning 404 never go port 3001.

how can pass proxy build?

question 2 on local machine run react-scripts start can directly access http://localhost:3000/login, on server have start http://example.com/ , use navigation login.

how can better handle urls?

thank you, vanessa


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