Canonical produces a variety of cloud-specific images, which are available directly on the cloud’s themselves as well as on https://cloud-images.ubuntu.com.
Users can find Ubuntu images for virtual machines and bare-metal offerings published directly to the following clouds:
Ubuntu images are also produced for a number of container offerings:
- Amazon Elastic Kubernetes Service (EKS)
- Google Kubernetes Engine (GKE)
On cloud-images.ubuntu.com, users can find standard and minimal images for the following:
Cloud images are published and supported throughout the lifecycle of an Ubuntu release. During this time images can receive all published security updates and bug fixes.
For users wanting to upgrade from one release to the next, the recommended path is to launch a new image with the desired release and then migrate whatever workload or data to the new image.
Some cloud image customization must be applied during image creation, these would be missing if an in-place upgrade were performed. For that reason in-place upgrades of cloud images are not recommended.