LXD Profile to add to your LXD install, allowing the creation of lightweight DOTNET 6 containers when using "lxc launch" (EG: lxc launch ubuntu mycontainer -p dotnet) , you can add this profile to LXD using the following command: "cat dotnet.profile | lxc profile edit dotnet" from the ubuntu command line.

dotnet.profile

config:
  user.user-data: |
    #cloud-config

    apt:
      preserve_sources_list: true
      sources:
        microsoft:
          keyserver: https://packages.microsoft.com/keys/microsoft.asc
          keyid: BC52 8686 B50D 79E3 39D3 721C EB3E 94AD BE12 29CF
          source: 'deb https://packages.microsoft.com/ubuntu/20.04/prod focal main'

    package_update: true
    package_upgrade: true
    package_reboot_if_required: true

    packages:
      - apt-transport-https
      - mc
      - git
      - dotnet-sdk-6.0

    users:
      - name: shawty
        ssh-authorized-keys:
          - ssh-rsa ...... 
        sudo: ['ALL=(ALL) NOPASSWD:ALL']
        groups: sudo
        shell: /bin/bash

    final_message:
      - "Container initialisation finished."

description: Provision UB20.04 with .NET SDK V6
devices:
  eth0:
    name: eth0
    nictype: bridged
    parent: br0
    type: nic
  root:
    path: /
    pool: default
    type: disk
name: dotnet
used_by: []