Using Fn CLI

This section will discuss how to use the basics of the Fn CLI, a command line to control Fn. Let's start with the installation of the Fn CLI. Make sure that the curl command exists on your system:

$ curl -LSs https://raw.githubusercontent.com/fnproject/cli/master/install | sh

After installing the previous command, check its version and help by typing fn. The current version of the command line is 0.4.43 at the time of writing. Things move fast, so you can expect to use the different version anyway:

$ fn
fn 0.4.43

Fn command line tool

ENVIRONMENT VARIABLES:
   FN_API_URL - Fn server address
   FN_REGISTRY - Docker registry to push images to, use username only to push to Docker Hub - [[registry.hub.docker.com/]USERNAME]

COMMANDS:
...

There are several sub-commands provided by fn, for example:

• fn start is a thin wrapper around the docker run command. This subcommand starts the new Fn Server instance. The default address will be http://localhost:8080. The Fn CLI will however be trying...