Stepping into App Development

What to expect in this chapter?

The pre-built Docker images such as MySQL, Adminer, and WordPress are useful, but you’ll eventually want to run your own programs in a container.

In this chapter, you’ll be creating a Node.js “Hello World” application that is built into a Docker image and launched as a container. By default, the image will be ready for deployment on a production server, but Docker Compose will be used to override some settings to create a development and debugging environment. You’ll be able to edit source code on your host, but the files will be ...