Adding the First Subcommand to the Application

After initializing the application, we use the Cobra generator to add subcommands to it. The generator includes a file in the cmd directory for each subcommand. Each file includes boilerplate code for the subcommand. It also adds the subcommand to its parent, forming the tree-like structure.

Adding a subcommand

We add a new subcommand called hosts to our application to manage hosts in the hosts list. By default, Cobra adds this subcommand to the root command: