cicd.yml

name: CI/CD using GitHub Actions & Docker

on:
  push:
    branches:
      - master

jobs:
  build-and-deploy:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: Set up JDK 17
        uses: actions/setup-java@v3
        with:
          java-version: '17'
          distribution: 'temurin'

      - name: Build with Gradle
        run: |
          cd paperplane 
          ./gradlew build -x test

      - name: Docker Build & Push
        run: |
          cd paperplane
          docker login -u ${{ secrets.DOCKER_USERNAME }} -p ${{ secrets.DOCKER_TOKEN }}
          docker build -t ${{ secrets.DOCKER_USERNAME }}/paperplane-prod:latest .
          docker push ${{ secrets.DOCKER_USERNAME }}/paperplane-prod:latest

      - name: Deploy to EC2
        uses: appleboy/ssh-action@master
        with:
          host: ${{ secrets.EC2_HOST }}
          username: ${{ secrets.EC2_USERNAME }}
          key: ${{ secrets.SSH_PRIVATE_KEY }}
          port: 22
          script: |
            echo "Pulling the latest Docker image on EC2"
            docker login -u ${{ secrets.DOCKER_USERNAME }} -p ${{ secrets.DOCKER_TOKEN }}
            docker pull ${{ secrets.DOCKER_USERNAME }}/paperplane-prod:latest
            echo "Stopping existing container (if running)"
            docker stop paperplane || true && docker rm paperplane || true
            echo "Starting a new container"
            docker run -d --name paperplane -p 8080:8080 ${{ secrets.DOCKER_USERNAME }}/paperplane-prod:latest