Run docker and (chroot)mount a (raspberry) pi image. It allows you to preconfigure apt (arm), wi-fi and SSH keys on a mac/linux using docker.

rundockerpi.sh

#### 
# Start docker
docker run --rm --privileged  -it -v /dev:/dev -v `pwd`/nanopi-duo2_sd_friendlycore-xenial_4.14_armhf_20191018.img:/nanopi.img ubuntu:xenial


####
# Bind loopback devices
losetup -f /nanopi.img -P --show
mkdir /mnt/d1 /mnt/d2 /mnt/d3
mount /dev/loop2p1 /mnt/d1 && \
	mount /dev/loop2p2 /mnt/d2 && \
	mount /dev/loop2p3 /mnt/d3

#### 
# Bindmount folder
mount --bind /mnt/d1 /mnt/d2/boot
mount --bind /mnt/d3 /mnt/d2/lost+found
chroot /mnt/d2 bash

#### 
# Make sure wifi drivers are loaded
apt-get update && apt install -y apt-utils linux-firmware

#### 
# Put this in /etc/wpa_supplicant/wpa_supplicant.conf
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=wheel
network={
        ssid="hotpocket"
        scan_ssid=1
        key_mgmt=WPA-PSK
        #psk="password" generate by wpa_passphrase hotpocket password
        psk=5bd365a2ebb5bdb04bbf1e9f0c2018a46568b7c5d80b0c024359864850eac8ad
}