$ cd firmware
$ export MIX_TARGET=rpi
$ mix deps.get
$ mix firmware
# first time
$ mix firmware.burn
# later on
$ mix firmware.push 192.168.1.4 --target rpi
# connect to pi and ping store
$ iex --name [email protected] --remsh [email protected] --cookie secure
iex([email protected])1> :net_adm.ping(:'[email protected]')
:pong$ cd store
$ rebar3 get-deps
$ rebar3 compile
$ rebar3 shell --name [email protected] --setcookie secure
# ping firmware
([email protected])1> net_adm:ping('[email protected]').
pong