Question branch2

.gitignore

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+.vscode
+node_modules/

README.md

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+[![Review Assignment Due Date](https://classroom.github.com/assets/deadline-readme-button-22041afd0340ce965d47ae6ef1cefeee28c7c493a6346c4f15d667ab976d596c.svg)](https://classroom.github.com/a/bzPrOe11)
 # CS3219 Project (PeerPrep) - AY2425S1
 ## Group: Gxx
 

backend/collab-service/.env

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+KAFKA_BROKERS='kafka:9092'

backend/collab-service/.gitignore

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+node_modules/
+dist/
+.env

backend/collab-service/Dockerfile

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+FROM node:20-alpine
+
+WORKDIR /app
+
+COPY package*.json ./
+
+RUN npm install
+
+COPY . .
+
+EXPOSE 8888
+
+RUN npm run build
+
+CMD ["npm", "start"]
+

backend/collab-service/jest.config.js

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+/** @type {import('ts-jest').JestConfigWithTsJest} **/
+module.exports = {
+  testEnvironment: "node",
+  transform: {
+    "^.+.tsx?$": ["ts-jest",{}],
+  },
+  testMatch: ["**/tests/**/*.test.ts"],
+  // Exclude build directories and node_modules
+  testPathIgnorePatterns: ['/node_modules/', '/dist/'],
+};

backend/collab-service/kubernetes-deployment/collab-service-configmap.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: collab-service-configmap
+  namespace: peerprep-collab-service
+data:
+  KAFKA_BROKERS: "kafka:9092"

backend/collab-service/kubernetes-deployment/collab-service-deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: collab-service
+  namespace: peerprep-collab-service
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: collab-service
+  template:
+    metadata:
+      labels:
+        app: collab-service
+    spec:
+      containers:
+      - name: collab-service
+        image: cpauzi/collab-service:latest
+        ports:
+          - containerPort: 8081
+        envFrom:
+        - configMapRef:
+            name: collab-service-configmap
+        resources:
+          requests:
+            cpu: "200m"
+            memory: "256Mi"
+          limits:
+            cpu: "500m"
+            memory: "512Mi"

backend/collab-service/kubernetes-deployment/collab-service-hpa.yaml

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+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: collab-service-hpa
+  namespace: peerprep-collab-service
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: collab-service
+  minReplicas: 1
+  maxReplicas: 4
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      target:
+        type: Utilization
+        averageUtilization: 70

backend/collab-service/kubernetes-deployment/collab-service-namespace.yaml

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+apiVersion: v1
+kind: Namespace
+metadata:
+  name: peerprep-collab-service

backend/collab-service/kubernetes-deployment/collab-service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: collab-service
+  namespace: peerprep-collab-service
+spec:
+  selector:
+    app: collab-service
+  ports:
+    - protocol: TCP
+      port: 8081
+      targetPort: 8081
+  type: ClusterIP  # Use 'NodePort' if you want to expose the service externally