#Linux from a Cloud Image

The easy path. Cloud images come pre-installed and pre-configured for cloud-init. You just boot, provision, capture.

vms:
    - name: builder
      source:
          url: 'https://cloud.debian.org/images/cloud/bookworm/latest/debian-12-genericcloud-amd64.qcow2'
      resources:
          cpu: 2
          memory: '2Gi'
      disks:
          - name: rootdisk
            size: '10Gi'
      communicator:
          sshUsername: debian
      cloudInit:
          userData: |
              #cloud-config
              ssh_authorized_keys: []
      provisioners:
          - name: update-and-install
            type: shell
            shell:
                inline: |
                    set -euo pipefail
                    sudo apt-get update
                    sudo DEBIAN_FRONTEND=noninteractive apt-get install -y nginx certbot
                    sudo systemctl enable nginx
          - name: write-default-page
            type: shell
            shell:
                inline: |
                    echo "<h1>Hello</h1>" | sudo tee /var/www/html/index.html
          - name: cleanup
            type: shell
            shell:
                inline: |
                    sudo apt-get clean
                    sudo rm -rf /var/lib/apt/lists/*
                    sudo journalctl --vacuum-time=1s
                    sudo cloud-init clean --logs
timeout: 30m