Composing a Multi-Database DBaaS from Open Source Kubernetes Operators

Most DBaaS platforms are black boxes — proprietary, cloud-bound, and expensive. This talk explores how to compose a production-grade, multi-database DBaaS entirely from open source Kubernetes operators, wiring together MySQL, PostgreSQL, and MongoDB into a unified self-service platform your team controls. We cover operator selection, API composition, lifecycle management, and the gaps you will need to fill yourself — with real architecture decisions and production trade-offs.