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Running OpenBao on Kubernetes with a CloudNativePG PostgreSQL backend
Step‑by‑step recipe to run OpenBao (Vault fork) on Kubernetes using CloudNativePG as a password‑less, TLS‑authenticated PostgreSQL storage backend. Shows how to spin up a Kind cluster with the cnpg‑playground, deploy a 3‑node CNPG cluster with synchronous quorum replication, configure DatabaseRole‑based client certificates, set up pg_hba rules, and initialize OpenBao’s schema via a one‑off Job.