Using azure app service application setting variables in reactjs typescript app returning undefined

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typescriptapplicationreactjsusing
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Connect and share knowledge within a single location that is structured and easy to search., Definition of "theoretical" in chess context , How can I convince the public to disregard advanced tech that would make their lives easier?

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 Pretag team - issue, fix, solve, resolve
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Environment variables in the .env file,Enter your app registration data using the following table:,When you are done using this tutorial, delete the application from the Azure portal App registration list.

In a Bash shell, create a create-react-app using TypeScript as the language:

npx create - react - app tutorial - demo - login - button--template typescript
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65%

It's not an npm or yarn error,Restarting server, closing IDE or clearing Browser cache does not remedy things.,the same problem, I have restarted server, but variable is still undefined

{
   NODE_ENV: 'development',
   PUBLIC_URL: ''
}
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I’ll be straightforward – I attempted to deploy the same app to Elastic Beanstalk as well, but I wasn’t familiar enough with it to get it working. Instead, I found that Amplify was probably a better option, anyways.,Great – now that I’ve shown you five (classic Windows, classic Linux, YAML dev build, YAML pm2, YAML serve) options to deploying a React app to Azure App Services, it’s time to introduce a sixth: AWS Amplify. If Azure is not your cup of tea, or you're looking for a way to breeze through setup with minimal hassle, Amplify might work out for you.,Finally, return to your first build pipeline from step 10. You may now open it and run it. You can follow along as Agent job 1 completes installation of your Node.js packages, builds a production version of your web app, and saves it all into an artifact. You’ll then see, if you open your release pipeline, that it is deployed to your Azure App Service resource.

$(System.DefaultWorkingDirectory) / _artifact / artifact
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No need to muck around detecting environments, loading config.prod.json and combining with defaults in config.json or consolidating with environment variables.,Just like with the React example, when this runs during startup you can then use the configuration throughout the app:,NodeJs is a really simple use case. So long as we include the config file in the distributed application, we can load it directly as if it were any other module:

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 Pretag team - issue, fix, solve, resolve
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In this tutorial, I’ll walk you through creating both a frontend web app in React and a backend REST API server in Node. The frontend will have a home page and a posts manager, with the posts manager hidden behind secure user authentication. As an added security measure, the backend will also not let you create or edit posts unless you’re properly authenticated.,The backend will be written with Express as a server, with Sequelize for modeling and storing data, and Finale for quickly creating a REST API without a lot of boilerplate.,Now that users can securely authenticate, you can build the REST API server to perform CRUD operations on a post model. You’ll need to add quite a few dependencies to your project at this point:

const Form = () => (
  <form>
    <label>
      Name
      <input value="Arthur Dent" />
    </label>
    <label>
      Answer to life, the universe, and everything
      <input type="number" value={42} />
    </label>
  </form>
);

const App = () => (
  <main>
    <h1>Welcome, Hitchhiker!</h1>
    <Form />
  </main>
);
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Grab the Instrumentation Key (aka "ikey") from the resource you created in step 1. Later, you'll either add it to your app's environment variables or use it directly in your scripts.,Create an Application Insights resource in Azure by following these instructions.,npm i applicationinsights

npm install--save applicationinsights
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