github-actions-spring-boot-webserver.yml

name: Multi-Cloud Apps with GraalVM - Up and Running
on:
  push:
    paths:
      - 'native-image/spring-boot-webserver/**'
      - '.github/workflows/github-actions-spring-boot-webserver.yml'
jobs:
  build:
    name: Run Jwebserver
    runs-on: ubuntu-20.04 # Docker changed its behavior on Ubuntu 22.04
    timeout-minutes: 30    
    steps:
    - uses: actions/checkout@v4
    - name: Set up GraalVM
      uses: graalvm/setup-graalvm@v1
      with:
        java-version: '23'
        distribution: 'graalvm'
        github-token: ${{ secrets.GITHUB_TOKEN }}
    - name: Run Spring Boot Web Server
      run: |
        # Prepapre static resources
        unzip native-image/spring-boot-webserver/src/main/resources/static.zip
        #

        # Build JAR (Debian Slim)
        ./build-jar.sh
        #

        # Build Jlink custom runtime (Distroless Java Base)
        ./build-jlink.sh
        #

        # Build dynamic image (Distroless Java Base)
        ./build-dynamic-image.sh
        #

        # Build dynamic image, optimized for size (Distroless Java Base)
        ./build-dynamic-image-optimized.sh
        #
        
        # Setup musl toolchain
        ./setup-musl.sh
        export PATH="$PWD/musl-toolchain/bin:$PATH"
        #

        # Build mostly static image (Distroless Base)
        ./build-mostly-static-image.sh
        #

        # Build fully static image (Scratch)
        ./build-static-image.sh
        #

        # Download upx
        ./setup-upx.sh
        #

        # Build fully static compressed image (Scratch UPX)
        ./build-static-upx-image.sh
        #

        # Compare file sizes
        ls -lh target/webserver*
        docker images webserver

        # Restore defaults
        git clean -fd static/
    - name: Archive production artifacts
      uses: actions/upload-artifact@v4
      with:
          name: native-binaries-${{ matrix.os }}
          path: |
            target/webserver*