Source: https://crabglamp.com/docs/app-vms/how-to
Last updated: 2026-06-12
Type: how-to

Each how-to is a single ordered procedure with no conceptual detours. If a guide references a concept you do not know, follow the link to the Explanation page that owns it.

## Available guides

- [Deploy a new version](/docs/app-vms/how-to/deploy-a-new-version) — ship a new image to a running App without downtime.
- [Roll back a deploy](/docs/app-vms/how-to/roll-back-a-deploy) — return to a previous image when a deploy goes wrong.
- [Set environment variables](/docs/app-vms/how-to/set-environment-variables) — pass config and secrets.
- [Deploy a private image](/docs/app-vms/how-to/deploy-a-private-image) — pull from a private registry by saving an account-level credential.
- [Add a custom domain](/docs/app-vms/how-to/add-a-custom-domain) — serve the App from your own hostname with automatic TLS.