added k8s manifests

postgres-deployment.yaml

@@ -0,0 +1,53 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  annotations:
+  name: postgres
+  namespace: mattermost
+spec:
+  progressDeadlineSeconds: 600
+  replicas: 1
+  revisionHistoryLimit: 10
+  selector:
+    matchLabels:
+      app: postgres
+  strategy:
+    rollingUpdate:
+      maxSurge: 25%
+      maxUnavailable: 25%
+    type: RollingUpdate
+  template:
+    metadata:
+      creationTimestamp: null
+      labels:
+        app: postgres
+    spec:
+      containers:
+      - env:
+        - name: POSTGRESQL_USER
+          value: mattermost
+        - name: POSTGRESQL_PASSWORD
+          value: mattermost
+        - name: POSTGRESQL_DATABASE
+          value: mattermost
+        image: registry.redhat.io/rhel9/postgresql-15:latest
+        imagePullPolicy: Always
+        name: postgres
+        ports:
+        - containerPort: 5432
+          protocol: TCP
+        resources: {}
+        terminationMessagePath: /dev/termination-log
+        terminationMessagePolicy: File
+        volumeMounts:
+        - mountPath: /var/lib/pgsql/data
+          name: postgres
+      dnsPolicy: ClusterFirst
+      restartPolicy: Always
+      schedulerName: default-scheduler
+      securityContext: {}
+      terminationGracePeriodSeconds: 30
+      volumes:
+      - name: postgres
+        persistentVolumeClaim:
+          claimName: postgres