Audience
Engineers, Architects, and Tinkerers already running a home lab as a self-hosted project or for profit. With a sharded TenantID plus shared Postgres DB, admission+registration service, and query isolation, you can evolve a single cloud service into a horizontally scalable clustered service with strong multi-tenancy.
Current Problems
In many deployments, there are problems at each layer which prevent true multi-tenancy that scales securely. The main issue is *weak tenant isolation at either the control, compute, storage or network layers.
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