# Model Registry: HuggingFace Hub Private Repo + MLflow + S3 Layout + Versioning

> Source: https://sukruyusufkaya.com/en/learn/fine-tuning-cookbook/ftc-model-registry-versioning
> Updated: 2026-06-24T01:08:51.369Z
> Category: Fine-Tuning Cookbook (Model-by-Model)
> Module: Part XVI — Production Operations
**TLDR:** How to manage 50+ FT model versions in production? HuggingFace Hub private repo + MLflow Model Registry + S3 (chunked artifacts) hybrid. Versioning convention (semver + lineage), tags (production/canary/archive), retention policy. Cookbook's model card template (LoRA adapter + base + recipe).