Add Kubernetes manifests

Author: aashiruu

manifests/backend/deployment.yaml

@@ -0,0 +1,19 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: backend
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: backend
+  template:
+    metadata:
+      labels:
+        app: backend
+    spec:
+      containers:
+      - name: backend
+        image: ghcr.io/aashiruu/devops-backend:latest
+        ports:
+        - containerPort: 5000

manifests/backend/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: backend
+spec:
+  selector:
+    app: backend
+  ports:
+    - port: 5000
+      targetPort: 5000
+  type: ClusterIP

manifests/database/secret.yaml

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+apiVersion: v1
+kind: Secret
+metadata:
+  name: postgres-secret
+type: Opaque
+data:
+  POSTGRES_PASSWORD: cG9zdGdyZXM=   # base64 for "postgres"

manifests/database/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: postgres
+spec:
+  selector:
+    app: postgres
+  ports:
+    - port: 5432
+      targetPort: 5432
+  clusterIP: None

manifests/database/statefulset.yaml

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+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: postgres
+spec:
+  serviceName: postgres
+  replicas: 1
+  selector:
+    matchLabels:
+      app: postgres
+  template:
+    metadata:
+      labels:
+        app: postgres
+    spec:
+      containers:
+      - name: postgres
+        image: postgres:15
+        ports:
+          - containerPort: 5432
+        env:
+          - name: POSTGRES_PASSWORD
+            valueFrom:
+              secretKeyRef:
+                name: postgres-secret
+                key: POSTGRES_PASSWORD

manifests/frontend/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: frontend
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: frontend
+  template:
+    metadata:
+      labels:
+        app: frontend
+    spec:
+      containers:
+      - name: frontend
+        image: ghcr.io/aashiruu/devops-frontend:latest
+        ports:
+        - containerPort: 80

manifests/frontend/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: frontend
+spec:
+  selector:
+    app: frontend
+  ports:
+    - port: 80
+      targetPort: 80
+  type: ClusterIP

manifests/ingress/ingress.yaml

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+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: devops-ingress
+spec:
+  rules:
+  - host: localhost
+    http:
+      paths:
+      - path: /
+        pathType: Prefix
+        backend:
+          service:
+            name: frontend
+            port:
+              number: 80
+      - path: /api
+        pathType: Prefix
+        backend:
+          service:
+            name: backend
+            port:
+              number: 5000