This project was bootstrapped with Create React App.
In the project directory, you can run:
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Set proxy, must to be a string in package.json file
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For example "proxy": "https://backend.example.com"
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Run project npm install && npm start || yarn install && yarn start
Set Proxy to deloy Heroku:
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When deploy on heroku, just push only package-lock.json or yarn.lock. Dont push both those files! npm install || yarn install
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Create static.json file { "root": "build/", "clean_urls": false, "routes": { "/": "index.html" }, "https_only": true, "headers": { "/": { "Strict-Transport-Security": "max-age=7776000" } }, "proxies": { "/api/": { "origin": "${API_URL}" } } }
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Push file to heroku git push heroku master
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Config proxy heroku All request from react contain "/api/abc" -> "/abc" For example: From react: axios.get("/api/search-items") → ${API_URL}/search-items
From react: axios.get("/api/users/me") → ${API_URL}/users/me (!)Therefore, run this cmd to set proxy var in heroku: heroku config:set API_URL="https://backend.example.com/api"