deploy.yml

name: Deploy to Docker Hub

on:
  push:
    branches: ["main"]

jobs:
  deploy:
    runs-on: ubuntu-latest

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

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

    - name: Set up JDK 17
      uses: actions/setup-java@v4
      with:
        java-version: '17'
        distribution: 'temurin'

    - name: Build with javac
      run: |
        set -e
        mkdir -p out
        javac -d out $(find src -name "*.java")

    - name: Create jar file
      run: |
        set -e
        jar -cvf prithvi.jar -C out .
        ls -lh prithvi.jar
        jar -tf prithvi.jar

    - name: Login to Docker Hub
      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: .
        file: ./Dockerfile
        push: true
        tags: |
          psidharth/prithvi-docker:latest
          psidharth/prithvi-docker:${{ github.sha }}
        cache-from: type=gha
        cache-to: type=gha,mode=max
        platforms: linux/amd64,linux/arm64

    - name: Sanity check: run Docker image
      run: |
        docker pull psidharth/prithvi-docker:${{ github.sha }}
        docker run --rm psidharth/prithvi-docker:${{ github.sha }} java -jar prithvi.jar