50-cloud-init.yaml

root@ubuntu:/home/ubuntu# cat /etc/netplan/50-cloud-init.yaml
# This file is generated from information provided by the datasource.  Changes
# to it will not persist across an instance reboot.  To disable cloud-init's
# network configuration capabilities, write a file
# /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg with the following:
# network: {config: disabled}
network:
    ethernets:
        eth0:
            dhcp4: true
            optional: true
    version: 2
    wifis:
            wlan0:
                    optional: true
                    access-points:
                            "<SSID>":
                                    password: "<PASSWORD>"
                    dhcp4: true