Netplan Static Config Example

# /etc/netplan/50-cloud-init.yaml
#network:
  version: 2
  renderer: networkd
  ethernets:
    enp0s3:
      dhcp4: false
      dhcp6: false
      addresses:
      - 192.168.1.122/24
      routes:
      - to: default
        via: 192.168.1.1
      nameservers:
       addresses: [8.8.8.8,8.8.4.4]

Then,

netplan apply