maven-build.yml

# This is a basic workflow to help you get started with Actions
name: GitHub Actions Maven Build - Dinosaur Exploder

# Controls when the workflow will run
on:
  # Triggers the workflow on push or pull request events but only for the main branch
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]
jobs:

  build-on-ubuntu:
    # The type of runner that the job will run on
    runs-on: ubuntu-latest

    # Steps represent a sequence of tasks that will be executed as part of the job
    steps:
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - name: Step 1 - Checkout main branch from GitHub 
        uses: actions/checkout@v2

      # Runs a single command using the runners shell
      - name: Step 2 - Set up JDK 17
        uses: actions/setup-java@v1
        with:
          java-version: 17

      - name: Step 3 - Have GitHub Actions Build Maven Project
        run: mvn -B package --file pom.xml

      - name: Step 4 - Set up a cache for Maven
        uses: actions/cache@v2
        with:
          path: ~/.m2
          key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
          restore-keys: ${{ runner.os }}-m2
          
      - name: Step 5 - List the environment variables
        run: env