id: ext.vm-packer
title: VM workspace (Packer lineage)
description: >
  Attach an isolated workspace on a pre-built VM (the-custodian build-machines
  lineage). v0 supports attach mode via SSH alias or tunnel port; Packer build
  orchestration is operator-driven and deferred.
handler: sandboxer.extensions.vm_packer:VMPackerExtension
capabilities:
  isolation_levels: [microvm]
  regions: []
  persistence: true
  pricing_model: self-hosted
config:
  workspace_base: /build
  ssh_user: build
  ready_timeout_s: 30