build-deploy.yaml

name: Docker Build Deploy

on:
  push:
    branches:
      - main

env:
  DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
  DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
  DOCKER_IMAGE_NAME: ${{secrets.DOCKER_IMAGE_NAME}}
  SSH_USERNAME: ${{ secrets.SSH_USERNAME }}
  SSH_HOST: ${{ secrets.SSH_HOST }}

jobs:
  create-docker-image:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Log in to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Build Docker image
        run: |
          cd server
          docker build -f Dockerfile -t ${{secrets.DOCKER_USERNAME}}/${{secrets.DOCKER_IMAGE_NAME}}:latest .

      - name: Push Docker image
        run: docker push ${{secrets.DOCKER_USERNAME}}/${{secrets.DOCKER_IMAGE_NAME}}:latest

  deployment:
    needs: create-docker-image
    runs-on: ubuntu-latest
    steps:
      - name: Install SSH client
        run: sudo apt-get install -y openssh-client

      - name: Create deployment script
        run: |
          cat << 'EOF' > deploy.sh
          #!/bin/bash
          set -e

          # Ensure the user is added to the docker group
          sudo usermod -aG docker $(whoami)

          # Log out and back in to apply the group change
          newgrp docker <<EONG


          echo "${{ secrets.DOCKER_PASSWORD }}" | docker login -u ${{ secrets.DOCKER_USERNAME }} --password-stdin
          docker pull ${{ secrets.DOCKER_USERNAME }}/${{secrets.DOCKER_IMAGE_NAME}}:latest

          # Navigate to your project directory
          cd /home/ubuntu/projects/servdomain

          sed -i 's|image: .*$|image: ${{ secrets.DOCKER_USERNAME }}/${{secrets.DOCKER_IMAGE_NAME}}|' docker-compose.yml

          # Restart the Docker containers using Docker Compose
          docker-compose down
          docker-compose up -d

          # Clean up
          docker system prune -af
          EOF

      - name: Make deployment script executable
        run: chmod +x deploy.sh

      - name: Deploy to EC2
        env:
          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
          DOCKER_IMAGE_NAME: ${{secrets.DOCKER_IMAGE_NAME}}
        run: |
          echo "${{ secrets.EC2_SSH_KEY }}" > ec2-key.pem
          chmod 600 ec2-key.pem
          scp -i ec2-key.pem -o StrictHostKeyChecking=no deploy.sh ${{ secrets.SSH_USERNAME }}@${{ secrets.SSH_HOST }}:/home/${{ secrets.SSH_USERNAME }}/deploy.sh
          ssh -o StrictHostKeyChecking=no -i ec2-key.pem ${{ secrets.SSH_USERNAME }}@${{ secrets.SSH_HOST }} /home/${{ secrets.SSH_USERNAME }}/deploy.sh

      - name: Clean up
        run: rm -f ec2-key.pem deploy.sh

      - name: Wait for 10 seconds
        run: sleep 10

  health-check:
    needs: deployment
    runs-on: ubuntu-latest
    steps:
      - name: Health check
        run: |
          echo "${{ secrets.EC2_SSH_KEY }}" > ec2-key.pem
          chmod 600 ec2-key.pem
          ssh -o StrictHostKeyChecking=no -i ec2-key.pem ${{ secrets.SSH_USERNAME }}@${{ secrets.SSH_HOST }} "curl -f http://localhost:5000/health || exit 1"
        env:
          EC2_SSH_KEY: ${{ secrets.EC2_SSH_KEY }}

      - name: Notify on failure
        if: failure()
        uses: actions/github-script@v5
        with:
          script: |
            const message = "Deployment failed. Health check did not return 200.";

            // Check if the event has an associated issue or pull request
            if (context.payload.pull_request) {

              // Add a comment to the pull request
              github.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.payload.pull_request.number,
                body: message
              });

            } else if (context.payload.issue) {

              // Add a comment to the issue
              github.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.payload.issue.number,
                body: message
              });

            } else {

              // Create a new issue if no associated pull request or issue is found
              github.issues.create({
                owner: context.repo.owner,
                repo: context.repo.repo,
                title: "Deployment failed",
                body: message
              });

            }
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}