Get started with Fx

This introduces you to the basics of Fx. In this tutorial you will:

• start an empty application
• add an HTTP server to it
• register a handler with the server
• add logging to your application
• refactor to loosen coupling to your handler
• add another handler to the server
• generalize your implementation

First, get set up for the rest of the tutorial.

1. Start a new empty project.

   mkdir fxdemo
   cd fxdemo
   go mod init example.com/fxdemo
   

2. Install the latest version of Fx.

   go get go.uber.org/fx@latest
   

Now begin by creating a minimal application.