When CONTAINER_BACKEND=flyio, workspaces are provisioned as Fly Machines
instead of local Docker containers. This enables workspace deployment
on SaaS tenants where no Docker daemon is available.
New files:
- provisioner/fly_provisioner.go: FlyProvisioner with Start/Stop/
IsRunning/Restart/Close via Fly Machines API (api.machines.dev/v1)
- FlyRuntimeImages maps runtimes to GHCR image tags
Changes:
- main.go: select Docker vs Fly based on CONTAINER_BACKEND env var
- workspace.go: SetFlyProvisioner() setter, Create checks flyProv first
- workspace_provision.go: provisionWorkspaceFly() loads secrets, calls
FlyProvisioner.Start, issues auth token for the new machine
Env vars for Fly backend:
- CONTAINER_BACKEND=flyio (activates Fly provisioner)
- FLY_API_TOKEN (Fly deploy token)
- FLY_WORKSPACE_APP (Fly app name for workspace machines)
- FLY_REGION (default: ord)
Closes#494
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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