Update build.yml #5
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| # This workflow builds the Spring Boot application and deploys it to VM. | |
| # It is triggered on pushes to the 'main' branch or can be run manually. | |
| name: Build and Deploy to VM | |
| on: | |
| push: | |
| branches: | |
| - main | |
| # Allows us to run this workflow manually from the Actions tab | |
| workflow_dispatch: | |
| jobs: | |
| build: | |
| name: Build JAR | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout Code | |
| uses: actions/checkout@v4 | |
| - name: Set up JDK 17 | |
| uses: actions/setup-java@v4 | |
| with: | |
| java-version: '17' | |
| distribution: 'temurin' # A popular, high-quality build of OpenJDK | |
| - name: Cache Maven packages | |
| uses: actions/cache@v4 | |
| with: | |
| path: ~/.m2/repository | |
| key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }} | |
| restore-keys: | | |
| ${{ runner.os }}-maven- | |
| - name: Build with Maven Wrapper | |
| run: | | |
| chmod +x mvnw | |
| ./mvnw clean package | |
| - name: Upload JAR artifact | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: app-jar | |
| path: target/leetcode-api-*.jar | |
| retention-days: 1 # We only need this artifact for the next job | |
| deploy: | |
| name: Deploy to VM | |
| runs-on: ubuntu-latest | |
| needs: build # This job will only run if the 'build' job succeeds | |
| steps: | |
| - name: Download JAR artifact | |
| # Download the 'app-jar' artifact that the 'build' job uploaded | |
| uses: actions/download-artifact@v4 | |
| with: | |
| name: app-jar | |
| path: . # Download to the current directory | |
| - name: Find JAR file name | |
| # The downloaded file has a version number. We need to find the | |
| # exact file name to use it in the next step. | |
| id: find_jar | |
| run: echo "JAR_NAME=$(ls leetcode-api-*.jar)" >> $GITHUB_OUTPUT | |
| - name: Copy JAR to VM via SCP | |
| uses: appleboy/scp-action@v0.1.7 | |
| with: | |
| host: ${{ secrets.VM_HOST }} | |
| username: ${{ secrets.VM_USERNAME }} | |
| key: ${{ secrets.VM_SSH_KEY }} | |
| port: 22 | |
| source: ${{ steps.find_jar.outputs.JAR_NAME }} | |
| target: "/opt/leetstats-api" # This is the WorkingDirectory from our systemd file | |
| - name: SSH and Restart Service | |
| # This action securely logs into our VM and runs the restart commands | |
| uses: appleboy/ssh-action@v0.1.7 | |
| with: | |
| host: ${{ secrets.VM_HOST }} | |
| username: ${{ secrets.VM_USERNAME }} | |
| key: ${{ secrets.VM_SSH_KEY }} | |
| port: 22 | |
| script: | | |
| echo "Stopping leetstats-api service..." | |
| sudo systemctl stop leetstats-api | |
| echo "Starting leetstats-api service with new JAR..." | |
| sudo systemctl start leetstats-api | |
| echo "Checking service status..." | |
| sleep 5 # Give the service a moment to start | |
| sudo systemctl status leetstats-api | |
| echo "Deployment complete." |