backend.yml

# This is a basic workflow to help you get started with Actions

name: Backend CI

# Controls when the action will run. Triggers the workflow on push or pull request
# events but only for the master branch
on:
  push:
    branches: [ master ]
    paths:
    - 'src/backend/**'
  pull_request:
    branches: [ master, release-* ]
    paths:
    - 'src/backend/**'

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  # This workflow contains a single job called "build"
  build:
    # 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
    - uses: actions/checkout@v2
    - name: Set up JDK 1.8
      uses: actions/setup-java@v1
      with:
        java-version: 1.8
    - name: Cache Gradle
      uses: actions/cache@v1
      with:
        path: ~/.gradle/caches
        key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*') }}
        restore-keys: |
          ${{ runner.os }}-gradle-
    - name: Gradle Build
      working-directory: src/backend/
      run: |
        ./gradlew clean build