Ubuntu 20.04 LTS Server (Standard Install)

user-data.yaml

#cloud-config
autoinstall:
  refresh-installer:
    update: true
  apt:
    geoip: true
    preserve_sources_list: false
    primary:
    - arches: [amd64, i386]
      uri: http://us.archive.ubuntu.com/ubuntu
    - arches: [default]
      uri: http://ports.ubuntu.com/ubuntu-ports
  identity: {hostname: ubuntu, password: $6$LcmG1AyFp/SSpPtX$JPDKZUrBgwzL1vYG/IgGEYTu3yJJ67ZdjhxiBsd5F00UYgLqiIcw5vKluv2xkhDU8Kh3TiO/klRX3tY4HsGIP.,
    realname: Default User, username: user}
  keyboard: {layout: us, variant: ''}
  locale: en_US.UTF-8
  ssh:
    allow-pw: true
    authorized-keys: []
    install-server: true
  storage:
    grub:
      reorder_uefi: false
    config:
    - {ptable: gpt, path: /dev/nvme0n1, preserve: false, 
      name: '', grub_device: false, type: disk, id: disk-nvme}
    - {device: disk-nvme, size: 536870912, wipe: superblock, flag: boot, number: 1,
      preserve: false, grub_device: true, type: partition, id: partition-0}
    - {fstype: fat32, volume: partition-0, preserve: false, type: format, id: format-0}
    - {device: disk-nvme, size: 53687091200, wipe: superblock, flag: '', number: 2,
      preserve: false, type: partition, id: partition-1}
    - {fstype: ext4, volume: partition-1, preserve: false, type: format, id: format-1}
    - {device: format-1, path: /, type: mount, id: mount-1}
    - {device: disk-nvme, size: 8589934592, wipe: superblock, flag: swap, number: 3,
      preserve: false, type: partition, id: partition-2}
    - {fstype: swap, volume: partition-2, preserve: false, type: format, id: format-2}
    - {device: format-2, path: '', type: mount, id: mount-2}
    - {device: disk-nvme, size: -1, wipe: superblock, flag: '', number: 4,
      preserve: false, type: partition, id: partition-3}
    - {fstype: ext4, volume: partition-3, preserve: false, type: format, id: format-3}
    - {device: format-3, path: /home, type: mount, id: mount-3}
    - {device: format-0, path: /boot/efi, type: mount, id: mount-0}
    swap: {swap: 0}
  version: 1