django_CICD.yml

name: Django CI/CD
on:
  push:
    branches: ["main"]
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout code
      uses: actions/checkout@v4
    - name: Set up Python 3.10
      uses: actions/setup-python@v3
      with:
        python-version: '3.10'
    - name: Install Dependencies
      run: |
        python -m pip install --upgrade pip
        pip install django djangorestframework drf-yasg
        pip install -r requirements.txt
      working-directory: aiServer

  upload:
    runs-on: ubuntu-latest
    needs: build
    steps:
    - name: Checkout code
      uses: actions/checkout@v4
    - name: Create secrets.json
      uses: jsdaniell/create-json@1.1.2
      with:
        name: "secrets.json"
        json: ${{ secrets.SECRETS }}
        dir: 'aiServer'
        
    - name: Create my_settings.py
      run: |
        echo "${{ secrets.DB_SETTINGS }}" > aiServer/aiServer/my_settings.py
            
    - name: Upload Code to EC2
      env:
        EC2_HOST: ${{ secrets.EC2_HOST }}
        EC2_USER: ubuntu
        EC2_KEY: ${{ secrets.EC2_KEY }}
      run: |
        echo "${{ secrets.EC2_KEY }}" > key.pem
        chmod 400 key.pem
        ssh -o StrictHostKeyChecking=no -i key.pem $EC2_USER@$EC2_HOST << EOF
        mkdir -p /home/ubuntu/aiServer/logs
        mkdir -p /home/ubuntu/aiServer/staticfiles
        EOF
        scp -o StrictHostKeyChecking=no -i key.pem -r ./aiServer $EC2_USER@$EC2_HOST:/home/ubuntu/
        rm key.pem

  deploy:
    runs-on: ubuntu-latest
    needs: upload
    steps:
    - name: Deploy and Verify
      env:
        EC2_HOST: ${{ secrets.EC2_HOST }}
        EC2_USER: ubuntu
        EC2_KEY: ${{ secrets.EC2_KEY }}
      run: |
        echo "${{ secrets.EC2_KEY }}" > key.pem
        chmod 400 key.pem
        ssh -o StrictHostKeyChecking=no -i key.pem $EC2_USER@$EC2_HOST << EOF
        pkill -9 gunicorn || true
        
        sudo apt update
        sudo apt install -y python3.10
        sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.10 1
        sudo update-alternatives --config python3 <<< "0"
        
        sudo apt-get install -y python3-apt
        
        # 프로젝트 디렉토리로 이동
        cd /home/ubuntu/aiServer
  
        # 가상환경 설정 및 실행
        python3 -m venv venv
        source venv/bin/activate        
          
        pip install --upgrade pip
        pip install -r requirements.txt

        python manage.py makemigrations
        python manage.py migrate
        python manage.py collectstatic --noinput
        
        nohup gunicorn --bind 0.0.0.0:8000 aiServer.wsgi:application \
          --workers 3 \
          --timeout 120 \
          --access-logfile logs/gunicorn-access.log \
          --error-logfile logs/gunicorn-error.log &
        
        sleep 10
        sudo service nginx restart
        
        echo "Checking Gunicorn processes:"
        ps aux | grep gunicorn
        
        echo "Checking Gunicorn logs:"
        tail -n 20 logs/gunicorn-access.log
        tail -n 20 logs/gunicorn-error.log
        
        echo "Testing service response:"
        curl -I http://localhost:8000
        
        echo "Checking Nginx status:"
        sudo systemctl status nginx
        EOF
        rm key.pem
        echo "Checking Nginx status:"
        sudo systemctl status nginx
        EOF
        rm key.pem