Merge pull request #37 from CS3219-AY2425S1/chore/implement-docker

chore/re-implement K8 and docker

Author: simbayippy

docker-compose.yml

@@ -0,0 +1,38 @@
+services:
+  frontend:
+    image: asia-southeast1-docker.pkg.dev/cs3219-g11-peerprep/cs3219-g11-repo/peerprep-fe:latest
+    build:
+      context: ./peerprep-fe
+      dockerfile: Dockerfile
+    # volumes:
+    #   - ./peerprep-fe:/app  # Mount src directory for hot reloading
+    #   - /app/node_modules  # Prevent overwriting node_modules
+    #   - /app/.next
+    ports:
+      - "3000:3000"
+    environment:
+      - NODE_ENV=production
+    networks:
+      - peerprep-network
+    env_file:
+      - ./peerprep-fe/.env.production
+  question-service:
+    image: asia-southeast1-docker.pkg.dev/cs3219-g11-peerprep/cs3219-g11-repo/question-svc:latest
+    build:
+      context: ./question-service
+      dockerfile: Dockerfile
+    volumes:
+      - ./question-service:/app  # Mount src directory for hot reloading
+      - ./question-service/node_modules:/app/node_modules
+    ports:
+      - "4001:4001"
+    environment:
+      - NODE_ENV=production
+      - PORT=4001
+    networks:
+      - peerprep-network
+    env_file:
+      - ./question-service/.env.dev
+networks:
+  peerprep-network:
+    driver: bridge

k8s/peerprep-fe.yml

@@ -0,0 +1,57 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata: 
+  name: peerprep-fe
+  labels:
+    type: frontend
+    app: peerprep-fe
+spec:
+  selector:
+    matchLabels:
+      type: frontend
+      app: peerprep-fe
+  template:
+    metadata:
+      name: peerprep-fe
+      labels:
+        type: frontend
+        app: peerprep-fe
+    spec:
+      containers:
+      - name: peerprep-fe
+        image: asia-southeast1-docker.pkg.dev/cs3219-g11-peerprep/cs3219-g11-repo/peerprep-fe:latest
+        # imagePullPolicy: Never # only used for local builds
+        ports:
+        - containerPort: 3000
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: peerprep-fe
+spec:
+  type: LoadBalancer
+  ports:
+    - port: 80
+      targetPort: 3000
+  selector:
+    type: frontend
+    app: peerprep-fe
+---
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: peerprep-fe
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: peerprep-fe
+  minReplicas: 1
+  maxReplicas: 5
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      target:
+        type: Utilization
+        averageUtilization: 80

k8s/question-service.yml

@@ -0,0 +1,62 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata: 
+  name: question-svc
+  labels:
+    type: backend
+    app: question-svc
+spec:
+  selector:
+    matchLabels:
+      type: backend
+      app: question-svc
+  template:
+    metadata:
+      name: question-svc
+      labels:
+        type: backend
+        app: question-svc
+    spec:
+      containers:
+      - name: question-svc
+        image: asia-southeast1-docker.pkg.dev/cs3219-g11-peerprep/cs3219-g11-repo/question-svc:latest
+        # imagePullPolicy: Never # only used for local builds
+        ports:
+        - containerPort: 4001
+        envFrom:
+        - configMapRef:
+            name: question-service-config
+      dnsPolicy: ClusterFirst
+---
+# This is an internal service, not exposed
+apiVersion: v1
+kind: Service
+metadata:
+  name: question-svc
+spec:
+  type: LoadBalancer
+  ports:
+    - port: 4001
+      targetPort: 4001
+  selector:
+    type: backend
+    app: question-svc
+---
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: question-svc
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: question-svc
+  minReplicas: 1
+  maxReplicas: 5
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      target:
+        type: Utilization
+        averageUtilization: 80

peerprep-fe/.dockerignore

@@ -0,0 +1,4 @@
+./node_modules
+.next
+.git
+.env*.local

peerprep-fe/Dockerfile

@@ -0,0 +1,29 @@
+# Use an official Node runtime as the base image
+FROM node:18-alpine
+
+# Install pnpm globally
+RUN npm install -g pnpm
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Copy package.json and pnpm-lock.yaml
+COPY package*.json pnpm-lock.yaml ./
+
+# Install dependencies using pnpm
+RUN pnpm install
+
+# Install zustand explicitly (in case it's still not included)
+RUN pnpm add zustand
+
+# Copy the rest of the application code
+COPY . .
+
+# Build the Next.js application
+RUN pnpm run build
+
+# Expose the port the app runs on
+EXPOSE 3000
+
+# Start the application
+CMD ["pnpm", "start"]

question-service/.dockerignore

@@ -0,0 +1,5 @@
+Dockerfile
+.dockerignore
+node_modules
+npm-debug.log
+dist

question-service/Dockerfile

@@ -0,0 +1,24 @@
+FROM node:18-alpine
+
+RUN npm install -g pnpm
+
+# Copy package.json and package-lock.json
+COPY package*.json ./
+
+# Install any dependencies
+RUN pnpm install
+
+# Bundle app source inside the Docker image
+COPY src ./src
+
+COPY tsconfig.json ./tsconfig.json
+
+RUN pnpm run build
+
+# Make port 4001 available to the world outside this container
+ENV PORT=4001
+
+EXPOSE ${PORT}
+
+# Define the command to run your app
+CMD ["pnpm", "start"]

question-service/package.json

@@ -22,7 +22,6 @@
     "express": "^4.21.0",
     "mongodb": "^6.9.0",
     "mongoose": "^8.6.3",
-    "prettier": "^3.3.3",
     "zod": "^3.23.8"
   },
   "devDependencies": {
@@ -32,6 +31,7 @@
     "@types/mongoose": "^5.11.96",
     "@types/node": "^22.6.1",
     "nodemon": "^3.1.7",
+    "prettier": "^3.3.3",
     "ts-node": "^10.9.2",
     "typescript": "^5.6.2"
   }