update vault integration

examples/vault-inject-example.yaml

@@ -0,0 +1,38 @@
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: vault-inject-example
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: vault-inject-example-deployment
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: vault-inject-example
+  template:
+    metadata:
+      labels:
+        app: vault-inject-example
+      annotations:
+        vault.hashicorp.com/agent-inject: "true"
+        vault.hashicorp.com/role: "vault-example"
+        vault.hashicorp.com/agent-inject-secret-env: "vault-example/creds"
+        vault.hashicorp.com/auth-path: "auth/kubernetes-local"
+        vault.hashicorp.com/agent-inject-template-env: |
+          {{- with secret "vault-example/creds" -}}
+          {{- range $key, $value := .Data.data }}
+          export {{ $key }}={{ $value }}
+          {{- end }}
+          {{- end }}
+    spec:
+      containers:
+        - name: app
+          image: "postgres:latest"
+          env:
+            - name: POSTGRES_PASSWORD
+              value: admin
+      serviceAccountName: vault-inject-example