Add grafana postgres

namespaces/grafana.yml

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+apiVersion: v1
+kind: Namespace
+metadata:
+  name: grafana

workloads/grafana/postgres-deploy.yml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: postgres
+  namespace: grafana
+spec:
+  replicas: 1
+  strategy:
+    type: Recreate
+  selector:
+    matchLabels:
+      app: postgres
+  template:
+    metadata:
+      labels:
+        app: postgres
+    spec:
+      containers:
+        - image: postgres:12.2-alpine
+          imagePullPolicy: IfNotPresent
+          name: postgres
+          env:
+            - name: POSTGRES_USER
+              valueFrom:
+                secretKeyRef:
+                  name: postgres
+                  key: POSTGRES_USER
+            - name: POSTGRES_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: postgres
+                  key: POSTGRES_PASSWORD
+          resources:
+            requests:
+              memory: "128Mi"
+              cpu: "100m"
+            limits:
+              memory: "512Mi"
+          livenessProbe:
+            tcpSocket:
+              port: 5432
+            initialDelaySeconds: 15
+            periodSeconds: 30
+            timeoutSeconds: 5
+            successThreshold: 1
+            failureThreshold: 2
+          ports:
+            - containerPort: 5432
+          volumeMounts:
+            - name: postgres-data
+              mountPath: /var/lib/postgresql/data
+      volumes:
+        - name: postgres-data
+          hostPath:
+            path: /opt/grafana/postgres
+            type: Directory

workloads/grafana/postgres-secret.yml

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+apiVersion: bitnami.com/v1alpha1
+kind: SealedSecret
+metadata:
+  creationTimestamp: null
+  name: postgres
+  namespace: grafana
+spec:
+  encryptedData:
+    POSTGRES_PASSWORD: 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
+    POSTGRES_USER: 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
+  template:
+    metadata:
+      creationTimestamp: null
+      name: postgres
+      namespace: grafana
+status: {}

workloads/grafana/postgres-service.yml

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+kind: Service
+apiVersion: v1
+metadata:
+  name: postgres
+  namespace: grafana
+spec:
+  selector:
+    app: postgres
+  ports:
+  - protocol: TCP
+    port: 5432
+    targetPort: 5432