title: Oauth error invalid_request: The redirect_uri is not whitelisted
body: <p>I'm trying to develop an app with React and Node based on this <a href="https://developers.shopify.com/tutorials/build-a-shopify-app-with-node-and-react" rel="noreferrer">documentation</a>:</p>
  
  <p>I followed the tutorial step by step but I'm stuck in testing the app with this URL format: </p>
  
  <p>I replaced the ngrok address and my shopify store but I get the 404 error (This page could not be found.)</p>
  
  <p>I found the same question in this <a href="https://community.shopify.com/c/Shopify-APIs-SDKs/Oauth-error-invalid-request-with-React-and-Node/td-p/476014" rel="noreferrer">link</a>. So I renamed the .env to process.env but I still have the same problem.</p>
  
  <p>Here is the <strong>.env file</strong>:</p>
  
  <p><a href="https://i.stack.imgur.com/90Wlq.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/90Wlq.jpg" alt="enter image description here"></a></p>
  
  <p><strong>package.json :</strong></p>
  
  <p><a href="https://i.stack.imgur.com/WArwl.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/WArwl.jpg" alt="enter image description here"></a></p>
  
  <p><strong>server.js :</strong></p>
  
  <p><a href="https://i.stack.imgur.com/UpK5v.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/UpK5v.jpg" alt="enter image description here"></a></p>
  
  <p><strong>The error :</strong></p>
  
  <p><a href="https://i.stack.imgur.com/R3nI6.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/R3nI6.jpg" alt="enter image description here"></a></p>