CI-CD.yml

name: CI/CD

on:
  push:
    branches: main
  workflow_dispatch:


env:
  REGISTRY: ghcr.io
  IMAGE_NAME: djangoforge

jobs:
  build_and_push:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout the repo 
        uses: actions/checkout@v3
        with:
            submodules: recursive
            token: ${{ secrets.GITHUB_TOKEN }}
        
      - name: Create config directory and .env file
        run: |
          mkdir -p config
          echo "DEBUG=False" >> config/.env
          echo "SECRET_KEY=foo" >> config/.env
          echo "DJANGO_ALLOWED_HOSTS=localhost 127.0.0.1 [::1] *" >> config/.env
          echo "SQL_ENGINE=django.db.backends.postgresql" >> config/.env
          echo "POSTGRES_DB=${{ secrets.POSTGRES_DB }}" >> config/.env
          echo "POSTGRES_USER=${{ secrets.POSTGRES_USER }}" >> config/.env
          echo "POSTGRES_PASSWORD=${{ secrets.POSTGRES_PASSWORD }}" >> config/.env
          echo "SQL_HOST=db" >> config/.env
          echo "SQL_PORT=5432" >> config/.env
          echo "DATABASE=postgres" >> config/.env
          echo "DOMAIN=${{ secrets.DOMAIN }}" >> config/.env
        working-directory: .

      - name: Display content of .env file
        run: cat ./config/.env

      - name: Update Nginx configuration file
        run: |
          sed -i "s/server_name localhost/server_name ${{ secrets.DOMAIN }}/g" ./nginx/nginx.conf
        working-directory: .
      
      - name: Build Docker image using Docker Compose
        run: docker-compose -f docker-compose.dev.yml build

      - name: verify that all the container have been built
        run: docker images
      
      - name: LOG IN to container registry
        run: echo ${{ secrets.GITHUB_TOKEN }} | docker login ghcr.io -u ${{ github.actor }} --password-stdin

      - name: set lower case owner name
        run: |
          echo "OWNER_LC=${OWNER,,}" >>${GITHUB_ENV}
        env:
          OWNER: '${{ github.repository_owner }}'
        
      - name: Tag image 
        run: |
          echo ${REGISTRY}/${OWNER_LC}/${IMAGE_NAME}:latest
          docker tag webapp_django ${REGISTRY}/${OWNER_LC}/${IMAGE_NAME}:latest

      - name: List Docker images
        run: docker images
        
      - name: Push image to GitHub Container Registry
        run: | 
          echo ${REGISTRY}/${OWNER_LC}/${{ env.IMAGE_NAME }}:latest
          docker push ${REGISTRY}/${OWNER_LC}/${{ env.IMAGE_NAME }}:latest

  deploy:
    runs-on: ubuntu-latest
    needs: build_and_push

    steps:

      - name: Checkout del repository
        uses: actions/checkout@v3

      - name: Set ENV variables
        run: |
          echo "REPO_NAME=${GITHUB_REPOSITORY#$GITHUB_REPOSITORY_OWNER/}" >> $GITHUB_ENV
          echo $GITHUB_ENV
      
      - name: Create project directory and conf file
        uses: appleboy/ssh-action@v0.1.3
        with:
          host: ${{ secrets.HOST }}
          username: ${{ secrets.USERNAME }}
          key: ${{ secrets.PRIVATE_KEY }}
          script: |
            mkdir -p "/opt/${{ env.REPO_NAME }}"
            mkdir -p "/opt/${{ env.REPO_NAME }}/config"
            rm /opt/${{ env.REPO_NAME }}/config/.env
            echo "DEBUG=False" >> "/opt/${{ env.REPO_NAME }}/config/.env"
            echo "SECRET_KEY=foo" >> "/opt/${{ env.REPO_NAME }}/config/.env"
            echo "DJANGO_ALLOWED_HOSTS=localhost 127.0.0.1 [::1] *" >> "/opt/${{ env.REPO_NAME }}/config/.env"
            echo "SQL_ENGINE=django.db.backends.postgresql" >> "/opt/${{ env.REPO_NAME }}/config/.env"
            echo "POSTGRES_DB=${{ secrets.POSTGRES_DB }}" >> "/opt/${{ env.REPO_NAME }}/config/.env"
            echo "POSTGRES_USER=${{ secrets.POSTGRES_USER }}" >> "/opt/${{ env.REPO_NAME }}/config/.env"
            echo "POSTGRES_PASSWORD=${{ secrets.POSTGRES_PASSWORD }}" >> "/opt/${{ env.REPO_NAME }}/config/.env"
            echo "SQL_HOST=db" >> "/opt/${{ env.REPO_NAME }}/config/.env"
            echo "SQL_PORT=5432" >> "/opt/${{ env.REPO_NAME }}/config/.env"
            echo "DATABASE=postgres" >> "/opt/${{ env.REPO_NAME }}/config/.env"
            echo "EMAIL=${{ secrets.EMAIL }}" >> "/opt/${{ env.REPO_NAME }}/config/.env"
            echo "DOMAIN=${{ secrets.DOMAIN }}" >> "/opt/${{ env.REPO_NAME }}/config/.env"
            cat "/opt/${{ env.REPO_NAME }}/config/.env"

      - name: SCP Docker Compose file and Nginx conf
        uses: appleboy/scp-action@master
        with:
          host: ${{ secrets.HOST }}
          username: ${{ secrets.USERNAME }}
          key: ${{ secrets.PRIVATE_KEY }}
          source: "./docker-compose.prod.yml"
          target: "/opt/${{ env.REPO_NAME }}/"

      - name: SCP Nginx conf file
        uses: appleboy/scp-action@master
        with:
          host: ${{ secrets.HOST }}
          username: ${{ secrets.USERNAME }}
          key: ${{ secrets.PRIVATE_KEY }}
          source: "./nginx/nginx.prod.conf"
          target: "/opt/${{ env.REPO_NAME }}/"

      - name: Update Nginx configuration file
        uses: appleboy/ssh-action@v0.1.3
        with:
          host: ${{ secrets.HOST }}
          username: ${{ secrets.USERNAME }}
          key: ${{ secrets.PRIVATE_KEY }}
          script: |
            sed -i "s/yourdomain.com/${{ secrets.DOMAIN }}/g" /opt/${{ env.REPO_NAME }}/nginx/nginx.prod.conf

      - name: Upgrade server and install Docker
        uses: appleboy/ssh-action@v0.1.3
        with:
          host: ${{ secrets.HOST }}
          username: ${{ secrets.USERNAME }}
          key: ${{ secrets.PRIVATE_KEY }}
          script: |
            sudo apt update -y
            sudo apt upgrade -y
            # Add Docker's official GPG key:
            sudo apt-get update
            sudo apt-get install ca-certificates curl
            sudo install -m 0755 -d /etc/apt/keyrings
            sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
            sudo chmod a+r /etc/apt/keyrings/docker.asc
            
            # Add the repository to Apt sources:
            echo \
              "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
              $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
              sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
            sudo apt-get update -y

            sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose docker-compose-plugin -y

      - name: set lower case owner name
        run: |
          echo "OWNER_LC=${OWNER,,}" >>${GITHUB_ENV}
        env:
          OWNER: '${{ github.repository_owner }}'


      - name: Stop And Start containers
        uses: appleboy/ssh-action@v0.1.3
        with:
          host: ${{ secrets.HOST }}
          username: ${{ secrets.USERNAME }}
          key: ${{ secrets.PRIVATE_KEY }}
          script: |
            echo ${{ secrets.GITHUB_TOKEN }} | docker login ghcr.io -u ${{ github.actor }} --password-stdin

            docker pull ghcr.io/leobitto/${{ env.IMAGE_NAME }}:latest 
            docker tag ghcr.io/leobitto/${{ env.IMAGE_NAME }}:latest ${{ env.IMAGE_NAME }}

            docker-compose -f /opt/${{ env.REPO_NAME }}/docker-compose.prod.yml down
            docker-compose -f /opt/${{ env.REPO_NAME }}/docker-compose.prod.yml up -d --force-recreate
            echo "wait for it.."
            sleep 5
            echo "5 seconds has passed"
            docker exec web python manage.py migrate
            docker exec web python manage.py collectstatic --noinput --clear