deploy-python.yml

name: Build 🏗️ and Deploy Python App 🛳️

on:
    push:
        branches: ["develop"]
        paths: [
            "python-code/**",
            "models/**",
            ".github/workflows/deploy-python.yml"
        ]

    workflow_dispatch:

defaults:
    run:
        working-directory: python-code

jobs:
    build:
        name: 🏗️ Build
        runs-on: ubuntu-latest
    
        strategy:
          matrix:
            python-version: [3.8, 3.9, 3.11]
    
        steps:
        - name: ⬇️ Checkout repository
          uses: actions/checkout@v4
    
        - name: 🏗 Set up Python ${{ matrix.python-version }}
          uses: actions/setup-python@v5
          with:
            python-version: ${{ matrix.python-version }}
    
        - name: 📦 Install dependencies
          run: |
            python -m pip install --upgrade pip
            pip install -r requirements.txt
    
        - name: ✅ Build completed
          run: echo "Build completed successfully!"

    # test docker build and up the container then down
    build-test-docker:
      name: 🐋 Build Test Docker Container
      runs-on: ubuntu-latest
      needs: build

      steps:
      - name: ⬇️ Checkout code
        uses: actions/checkout@v4

      - name: 🏗 Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: 🏗 Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: 🐳 Build Docker image
        run: |
          docker build --no-cache -t ${{ secrets.DOCKER_USERNAME }}/attendance-model:latest .

      - name: ✅ Echo success message
        run: echo "Docker build successful"
    
    build-push-docker:
        name: 🐋 Build and Push Docker Image
        runs-on: ubuntu-latest
        needs: build-test-docker
    
        steps:
        - name: ⬇️ Checkout repository
          uses: actions/checkout@v4
    
        - name: 🏗 Set up QEMU
          uses: docker/setup-qemu-action@v3
    
        - name: 🏗 Set up Docker Buildx
          uses: docker/setup-buildx-action@v3
    
        - name: 🧑‍💻 Login to DockerHub
          uses: docker/login-action@v3
          with:
            username: ${{ secrets.DOCKER_USERNAME }}
            password: ${{ secrets.DOCKER_PASSWORD }}
    
        - name: 🐳 Build and push Docker image
          uses: docker/build-push-action@v5
          with:
              context: python-code
              file: python-code/Dockerfile
              platforms: linux/amd64,linux/arm64
              push: true
              tags: ${{ secrets.DOCKER_USERNAME }}/attendance-model:latest

    deploy:
        name: 🛳️ Deploy Python App 🐳
        runs-on: ubuntu-latest
        needs: build-push-docker
    
        steps:
        - name: ⬇️ Checkout repository
          uses: actions/checkout@v4
    
        - name: 🪷 Copy files to VM
          uses: appleboy/scp-action@v0.1.5
          with:
              host: ${{ secrets.VM_IP }}
              username: ${{ secrets.VM_USERNAME }}
              key: ${{ secrets.VM_SSH_KEY }}
              source: "python-code/docker-compose.yml,models/attendance_model"
              target: "/home/${{ secrets.VM_USERNAME }}/attendance-model"
    
        - name: 🚀 SSH to VM
          uses: appleboy/ssh-action@master
          with:
              host: ${{ secrets.VM_IP }}
              username: ${{ secrets.VM_USERNAME }}
              key: ${{ secrets.VM_SSH_KEY }}
              script: |
                  cd /home/${{ secrets.VM_USERNAME }}/attendance-model/python-code
                  mv /home/${{ secrets.VM_USERNAME }}/attendance-model/models/attendance_model /home/${{ secrets.VM_USERNAME }}/attendance-model/python-code
                  echo "${{ secrets.DOCKER_PASSWORD }}" | docker login -u ${{ secrets.DOCKER_USERNAME }} --password-stdin 
                  DOCKER_USERNAME=${{ secrets.DOCKER_USERNAME }} docker compose -f docker-compose.yml down --rmi all
                  docker image prune -f
                  DOCKER_USERNAME=${{ secrets.DOCKER_USERNAME }} docker compose -f docker-compose.yml pull
                  DOCKER_USERNAME=${{ secrets.DOCKER_USERNAME }} docker compose -f docker-compose.yml up -d