dodani Kubernetes manifesti za FastAPI i Postgres

manifests/database/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: postgres
+  namespace: student-antoniomaric1
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: postgres
+  template:
+    metadata:
+      labels:
+        app: postgres
+    spec:
+      containers:
+        - name: postgres
+          image: postgres:16-alpine
+          ports:
+            - containerPort: 5432
+          envFrom:
+            - secretRef:
+                name: postgres-secret
+          volumeMounts:
+            - name: postgres-data
+              mountPath: /var/lib/postgresql/data
+          readinessProbe:
+            exec:
+              command: ["pg_isready", "-U", "fastapiuser", "-d", "fastapidb"]
+            initialDelaySeconds: 10
+      volumes:
+        - name: postgres-data
+          persistentVolumeClaim:
+            claimName: postgres-pvc

manifests/database/pvc.yaml

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+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: postgres-pvc
+  namespace: student-antoniomaric1
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 1Gi
+  storageClassName: local-path

manifests/database/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: postgres-service
+  namespace: student-antoniomaric1
+spec:
+  selector:
+    app: postgres
+  ports:
+    - port: 5432
+      targetPort: 5432
+  type: ClusterIP