Add user to group
# Add user `some_user` to `docker` group
sudo usermod -aG docker some_user
Connect to hidden wireless network
edit /etc/wpa_supplicant/wpa_supplicant.conf with something like this:
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1
# Important part below
network={
scan_ssid=1
ssid="NAME"
psk="password"
}