Docker for Rails Developers

Quick Recap

That’s it—we’ve finally done it. We now have a fully fledged Rails app running with Docker, fully managed through Compose. It’s a thing of beauty, isn’t it? Let’s quickly recap what we covered in this chapter:

1. We installed Yarn and a more up-to-date version of Node to meet Webpacker’s requirements.

2. We installed the Webpacker gem.

3. We added a new service to our docker-compose.yml file that runs the webpack_dev_server to automatically compile our Webpacker JavaScript assets.

4. We created a Hello World React application to verify everything was configured correctly to compile and run a React app.

Now that our app is up and running in all its glory, next we’ll turn our attention to setting up and running our tests in a Dockerized environment. ...