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A Hello World React App

Explore how to configure a Docker-based Rails app to run a basic React application using Webpacker. Understand the process of compiling and loading React components within Rails views, enabling you to develop modern JavaScript features alongside Rails efficiently.

We'll cover the following...

hello_react.jsx

Our purpose here is to ensure we can configure our Rails app by using Docker to allow us to develop modern JavaScript apps using technologies like React. To that end, we just need to show that a simple React app is compiled and loads correctly with our setup. When we install Webpacker, it adds a sample “Hello World” React app in ...