brew install fn

or

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

See CONTRIBUTING for instructions to build the CLI from source.

See the Fn Quickstart for sample commands.

The Fn CLI command structure has changed as of version 0.4.109

Please refer to the Fn CLI Wiki page for information on why we chose this structure and for more details.

build
bump
call
deploy
init
push
run
test
start
stop

These nouns are now second-level commands.

apps
routes
calls
logs
context

These verbs are now top-level commands.

config
create
delete
get
inspect
list
unset
update
use

images 

As mention in CLI Proposal 'All subcommands of 'fn images' exist as top-level commands, this makes the use of images redundant and will be deprecated'

fn [verb] [noun] <command>

fn config app <app> <key> <value>
fn create route <app> <route> <image>
fn delete route <app> <route>
fn get log <app> <call-id>
fn inspect route <app> <route>
fn list calls
fn unset config app <app> <key>
fn update route <app> <route>
fn use conetxt <context>