UI setup

cd ui/
export MIX_TARGET="host"
export MIX_ENV="dev"

mix deps.get
mix assets.deploy

Firmware compilatioon

cd firmware/
export SSID="MyWifi"
export PSK="MySecretForWifi"
export HOSTNAME="anything-but-nerves" # will be anything-but-nerves.local

export MIX_TARGET="rpi0"
export MIX_ENV="dev"

mix archive.install hex nerves_bootstrap
mix deps.get
mix firmware