autodeploy.yml

name: CI/CD Pipeline

on:
  push:
    branches: main
jobs:
  CI-PIPELINE:
    runs-on: ubuntu-latest
    
    steps:
      # Step 1: Installs needed dependencies to set up our code
      - name: Checkout Code
        uses: actions/checkout@v3
      
      - name: Install Node.js
        uses: actions/setup-node@v3
        with:
          node-version: 18
      
      # Step 2: Tests code too ensure it passes all tests
      - name: Run frontend tests
        run: cd course-matrix/frontend && npm install && npm run test
      - name: Run backend tests
        run: cd course-matrix/backend && npm install && npm run test
      
      # Step 3: Set up Docker Buildx 
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
      
      # Step 4: Sets our our application's environment
      - name: setup application env
        run: |
          cd course-matrix 
      
          # Update frontend .env
          cd frontend
          echo "VITE_SERVER_URL=\"http://34.130.253.243:8081\"" > .env && \
          echo "VITE_PUBLIC_ASSISTANT_BASE_URL=\"${{ secrets.VITE_PUBLIC_ASSISTANT_BASE_URL }}\"" >> .env && \
          echo "VITE_ASSISTANT_UI_KEY=\"${{ secrets.VITE_ASSISTANT_UI_KEY }}\"" >> .env

          # Update backend .env
          cd ../backend 
          echo "NODE_ENV=\"development\"" > .env && \
          echo "PORT=8081" >> .env && \
          echo "CLIENT_APP_URL=\"http://34.130.253.243:5173\"" >> .env && \
          echo "DATABASE_URL=\"${{ secrets.DATABASE_URL }}\"" >> .env && \
          echo "DATABASE_KEY=\"${{ secrets.DATABASE_KEY }}\"" >> .env && \
          echo "OPENAI_API_KEY=\"${{ secrets.OPENAI_API_KEY }}\"" >> .env && \
          echo "PINECONE_API_KEY=\"${{ secrets.PINECONE_API_KEY }}\"" >> .env && \
          echo "PINECONE_INDEX_NAME=\"course-matrix\"" >> .env && \
          echo "BREVO_API_KEY=\"${{ secrets.BREVO_API_KEY }}\"" >> .env && \
          echo "SENDER_EMAIL=\"${{ secrets.SENDER_EMAIL }}\"" >> .env && \
          echo "SENDER_NAME=\"Course Matrix Notifications\"" >> .env 

          cd ../

      # Step 5: Logging in to dockerhub
      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      # Step 6: Build all required doccker images
      - name: Build Docker Image
        run: |
          cd course-matrix
          docker compose build
      
      # Step 7: Check if images exist before tagging
      - name: List Docker Images (Debugging)
        run: docker images  
      
      # Step 8: Tags created images with version using github commit tags
      - name: Tag Images With Version
        run: |
          docker tag course-matrix/frontend:latest ${{ secrets.DOCKERHUB_USERNAME }}/course-matrix-frontend:${{ github.sha }}
          docker tag course-matrix/backend:latest ${{ secrets.DOCKERHUB_USERNAME }}/course-matrix-backend:${{ github.sha }}

      # Step 9: Push Docker images version to Docker Hub
      - name: Push Docker images version to Docker Hub
        run: |
          docker push ${{ secrets.DOCKERHUB_USERNAME }}/course-matrix-frontend:${{ github.sha }}
          docker push ${{ secrets.DOCKERHUB_USERNAME }}/course-matrix-backend:${{ github.sha }}
      
      # Step 10: Tags created images for the master branch
      - name: Tag Images for Master Branch
        run: |
          docker tag course-matrix/frontend:latest ${{ secrets.DOCKERHUB_USERNAME }}/course-matrix-frontend:master
          docker tag course-matrix/backend:latest ${{ secrets.DOCKERHUB_USERNAME }}/course-matrix-backend:master
      
      # Step 11: Push Docker images to Docker Hub master branch
      - name: Push images to Master Branch
        run: |
          docker push ${{ secrets.DOCKERHUB_USERNAME }}/course-matrix-frontend:master
          docker push ${{ secrets.DOCKERHUB_USERNAME }}/course-matrix-backend:master
          
  CD-PIPELINE:
    needs: CI-PIPELINE
    runs-on: ubuntu-latest

    steps:
      - name: Checkout Code
        uses: actions/checkout@v3
      
      # Step 12: Connect to virtual machine
      - name: Setup SSH Connection
        run: |
          echo "${{ secrets.GCP_SSH_PRIVATE_KEY }}" > private_key
          chmod 600 private_key

      - name: Deploy to Google Cloud VM
        run: |
          ssh -i private_key -o StrictHostKeyChecking=no ${{ secrets.GCP_USERNAME }}@${{ secrets.GCP_VM_IP }} << 'EOF'
            cd /home/masahisasekita/term-group-project-c01w25-project-course-matrix || { echo "Error: Directory /root/myapp does not exist!"; exit 1; }

            # Step 13: Clears deployment environment
            sudo docker stop $(sudo docker ps -q)
            sudo docker rmi -f $(sudo docker images -q)
            sudo docker system prune -a --volumes -f
            
            # Step 14: Pull the latest images
            sudo docker pull ${{ secrets.DOCKERHUB_USERNAME }}/course-matrix-frontend:master
            sudo docker pull ${{ secrets.DOCKERHUB_USERNAME }}/course-matrix-backend:master

            # Step 15: Run the docker containers
            sudo docker run -d -p 5173:5173 -e TZ=America/Toronto -v /etc/timezone:/etc/timezone:ro -v /etc/localtime:/etc/localtime:ro ${{ secrets.DOCKERHUB_USERNAME }}/course-matrix-frontend:master
            sudo docker run -d -p 8081:8081 -e TZ=America/Toronto -v /etc/timezone:/etc/timezone:ro -v /etc/localtime:/etc/localtime:ro ${{ secrets.DOCKERHUB_USERNAME }}/course-matrix-backend:master

            # Step 16: Run post deployment tests
            sudo docker ps 
            sudo docker run --rm ${{ secrets.DOCKERHUB_USERNAME }}/course-matrix-frontend:master npm test
            sudo docker run --rm ${{ secrets.DOCKERHUB_USERNAME }}/course-matrix-backend:master npm test
          EOF