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kube/apps/hugo-chat-db.yaml

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+# https://www.containiq.com/post/deploy-postgres-on-kubernetes
+
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: hugo-chat-db-config
+data:
+  POSTGRES_PASSWORD: huGO123.corsBOSS
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: hugo-chat-db-volume-claim
+spec:
+  storageClassName: local-storage
+  resources:
+    requests:
+      storage: 100Mi
+  volumeMode: Filesystem
+  accessModes:
+    - ReadWriteMany
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: hugo-chat-db
+spec:
+  selector:
+    matchLabels:
+      app: hugo-chat-db
+  template:
+    metadata:
+      labels:
+        app: hugo-chat-db
+    spec:
+      containers:
+        - name: hugo-chat-db
+          image: docker.io/postgres:latest
+          resources:
+            limits:
+              memory: "256Mi"
+              cpu: "500m"
+          envFrom:
+            - configMapRef:
+                name: hugo-chat-db-config
+          volumeMounts:
+            - mountPath: /var/lib/postgresql/data
+              name: postgredb
+          ports:
+            - containerPort: 5432
+      volumes:
+        - name: postgredb
+          persistentVolumeClaim:
+            claimName: hugo-chat-db-volume-claim
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: hugo-chat-db-service
+spec:
+  selector:
+    app: hugo-chat-db
+  ports:
+  - port: 5432
+    targetPort: 5432