Kubernetes Setup for Chat Application #Feature

Kubernetes/backend-deployment-service.yml

@@ -0,0 +1,38 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: backend-deployment
+  namespace: chatapp-ns
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: backend
+  template:
+    metadata:
+      labels:
+        app: backend
+    spec:
+      containers:
+        - name: backend
+          image: rohit273/chatapp-backend:latest
+          ports:
+            - containerPort: 5000
+          env:
+            - name: MONGO_URL
+              value: "mongodb://mongodb-svc:27017/chat" 
+            - name: PORT
+              value: "5000"
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: backend-svc
+  namespace: chatapp-ns
+spec:
+  selector:
+    app: backend
+  ports:
+    - protocol: TCP
+      port: 5000
+      targetPort: 5000

Kubernetes/frontend-deployment-service.yml

@@ -0,0 +1,34 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: frontend-deployment
+  namespace: chatapp-ns
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: frontend
+  template:
+    metadata:
+      labels:
+        app: frontend
+    spec:
+      containers:
+        - name: frontend
+          image: rohit273/chatapp-frontend:latest
+          ports:
+            - containerPort: 3000
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: frontend-svc
+  namespace: chatapp-ns
+spec:
+  selector:
+    app: frontend
+  ports:
+    - protocol: TCP
+      port: 3000
+      targetPort: 3000
+  type: ClusterIP

Kubernetes/mongo-deployment-service.yml

@@ -0,0 +1,41 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: mongodb-deployment
+  namespace: chatapp-ns
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: mongodb
+  template:
+    metadata:
+      labels:
+        app: mongodb
+    type: NodePort
+    spec:
+      containers:
+        - name: mongodb
+          image: mongo:latest
+          ports:
+            - containerPort: 27017
+          volumeMounts:
+            - mountPath: /data/db
+              name: mongodb-storage
+      volumes:
+        - name: mongodb-storage
+          persistentVolumeClaim:
+            claimName: mongodb-pvc
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: mongodb-svc
+  namespace: chatapp-ns
+spec:
+  selector:
+    app: mongodb
+  ports:
+    - protocol: TCP
+      port: 27017
+      targetPort: 27017

Kubernetes/persistent-volume.yml

@@ -0,0 +1,27 @@
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: mongodb-pv
+  namespace: chatapp-ns
+spec:
+  capacity:
+    storage: 1Gi
+  accessModes:
+    - ReadWriteOnce
+  persistentVolumeReclaimPolicy: Retain
+  storageClassName: standard
+  hostPath:
+    path: /data/db
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: mongodb-pvc
+  namespace: chatapp-ns
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 1Gi
+  storageClassName: standard

server/.env

@@ -1,2 +1,2 @@
 PORT=5000
-MONGO_URL="mongodb://localhost:27017/chat"
+MONGO_URL="mongodb://mongo-svc:27017/chat"