May 9
Loading video player...
HashiCorp Vault on Kubernetes: Helm HA Deploy Init/Unseal, ArgoCD & Injector Secrets Tutorial (2026) Secure your Kubernetes secrets the right way in 2026! In this step-by-step tutorial, learn how to deploy HashiCorp Vault in high-availability (HA) mode on Kubernetes using Helm, manually initialize & unseal the cluster, set up external access, configure Kubernetes authentication, enable the KV secrets engine, create policies & roles, and inject secrets into a live Hello World application using the Vault Agent Injector sidecar, no more plain-text Kubernetes Secrets! We cover the full production-grade workflow: from Vault Dev Mode basics → real HA Raft storage deployment → secret injection with ArgoCD-style GitOps thinking. Perfect for DevOps engineers, platform teams, and anyone implementing secure secrets management in Kubernetes. **Timestamps / Chapters** 0:00 Intro: Why Vault Matters 01:17 Vault Overview 03:05 Vault Dev Mode Demo 04:25 Deploy HA Vault with Helm & ArgoCD 06:00 Initialize Vault 07:30 Unseal First Server 09:00 Join & Unseal Remaining Servers 10:30 External Access Setup (Gateway API) 12:00 Vault UI Access & Verification 12:45 Enable KV Secrets Engine 13:45 Kubernetes Auth Configuration 14:30 Create Policy & Role 15:00 Add Vault Injector Annotations 16:00 Vault Injector in Action 17:00 Final Results, Recap & Next Steps (Auto-Unseal) If this helped you level up your Kubernetes security, comment your biggest takeaway or what you'd like next (Auto-unseal with KMS? Dynamic DB creds? Vault + Terraform?), and subscribe for more practical DevOps, Kubernetes, and HashiCorp tutorials! #vault #kubernetes #secrets #2026