Running OpenBAO on Kubernetes with a CloudNativePG PostgreSQL Back End

This article explains how to deploy OpenBao, the Linux Foundation's open-source fork of HashiCorp Vault, on Kubernetes using CloudNativePG as a PostgreSQL backend for secrets management. The setup provides an entirely open-source infrastructure with passwordless mTLS authentication, self-healing capabilities, and no vendor lock-in, using the cnpg-playground for local testing.