raspi-headless-conf

turn on ssh

create blank ssh file on boot partition

wifi setup

create wpa_supplicant.conf on boot partition:

ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1
country=<Insert 2 letter ISO 3166-1 country code here>

network={
 ssid="<Name of your wireless LAN>"
 psk="<Password for your wireless LAN>"
}