> For AI agents: the complete documentation index is available at /llms.txt, the full documentation bundle is available at /llms-full.txt.

> **Themelio compatibility reference.** This page describes the retained Themelio implementation or its historical design. Check the [parallel-operation guide](/compatibility/index.md) before applying it to the current platform.

# Operations

Operator-facing runbooks for maintaining a running Themelio instance: backup
and restore procedures, migration playbooks, and other day-2 tasks.

- [Backup GitLab repositories](/product/operations/backup-gitlab-repos.md) — mirror every Git
  repository (refs, branches, tags, and Git LFS objects) from a source GitLab
  instance to a target GitLab instance, preserving the group hierarchy.
- [Waldur GitLab Sync](/product/operations/waldur-gitlab-sync.md) — create and manage GitLab
  groups, members, and metadata in response to Waldur project lifecycle
  events.
- [Local Stack Known Issues](/product/operations/local-known-issues.md) — issues and lessons for the
  full local stack (`make local-up`), covering both WSL2/VHD and native
  Linux/loop-device hosts.
- [ADR-0025 Validation](/product/operations/adr-0025-validation.md) — execute and record the scoped
  Istio host, workload-identity, ambient mTLS, observability, and affected
  application regression validations one gate at a time.

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