name: PR-CI

on:
  pull_request:
    branches: ["master"]

jobs:
  build-test:
    runs-on: ubuntu-latest
    
    container:
      image: maven:3.9.9-eclipse-temurin-8
      
    steps:
      - name: Checkout source
        uses: actions/checkout@v4

      - name: Set up JDK 8
        uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: "8"

      - name: Cache Maven repo
        uses: actions/cache@v4
        with:
          path: ~/.m2
          key: m2-${{ runner.os }}-${{ hashFiles('**/pom.xml') }}
          restore-keys: |
            m2-${{ runner.os }}-

      - name: Maven Build (compile + dependency check)
        run: mvn -B clean package -DskipTests