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A step-by-step guide to resolving common deployment issues when using Netlify to host your React applications.
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Overcoming 404 Errors When Deploying Your React App on Netlify

Deploying a React application can be a rewarding experience, especially when showcasing your portfolio. However, it can be frustrating when you encounter issues like the dreaded 404 error. In this guide, we’ll explore a common problem faced by new developers when deploying their React apps on Netlify and discuss the steps you need to take to solve it.

Understanding the Problem

You’ve completed your coding bootcamp, and now you want to show off your hard work. Excitedly, you choose Netlify for deployment due to its simplicity and GitHub integration. However, right after linking your repository and purchasing a custom URL, you encounter a 404 error that indicates “page not found.” What could be going wrong?

You might have tried some steps like adding a _redirects file without success, or even attempting to restructure your app similar to how you did with Heroku. Let's break down the solution!

Solution Steps

Here’s a step-by-step approach to resolve the 404 error when deploying your React app on Netlify:

1. Create a netlify.toml file

One of the most effective ways to guide Netlify on how to handle requests for your single-page application (SPA) is by using a configuration file called netlify.toml. Here’s how you can set this up:

Create the file: In the root of your project directory, create a file named netlify.toml.

Add the configuration: Open the netlify.toml file and add the following code:

[[See Video to Reveal this Text or Code Snippet]]

2. Explanation of the Redirects

Purpose of Redirects: The above configuration tells Netlify to serve index.html whenever it receives a request for any unknown path. This is crucial because, in SPAs like React, navigation is often handled by the app itself rather than the server.

3. Verify Your Build Settings

Before deploying your app, ensure that your build settings are correct:

Build Command: Ensure you have the correct build command, usually npm run build for a React app.

Publish Directory: This should point to the build folder created by the build command. Typically, you would set this to build.

4. Deploying Your App

If you haven’t already, connect your GitHub repository to Netlify. Then, deploy your app by following the prompts on Netlify’s dashboard.

After your app is deployed, check its URL to see if the 404 error has been resolved.

5. Conclusion

Deploying your React application on Netlify doesn’t have to be overwhelming. By creating a netlify.toml file and ensuring proper redirects, you can effectively eliminate 404 errors and provide a seamless experience for your users. Remember, it’s all about guiding Netlify on how to handle your requests correctly.

Now that you have the tools to deploy successfully, go ahead and share your portfolio with the world! Happy coding!