release.yml

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

name: release

# Controls when the action will run. 
on:
  release:
    types: [published]

# 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-18.04

    steps:
      - uses: actions/checkout@v2
      - name: Set up JDK 15
        uses: actions/setup-java@v1
        with:
          java-version: 15

      - name: Cache Gradle packages
        uses: actions/cache@v1
        with:
          path: ~/.gradle/caches
          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
          restore-keys: ${{ runner.os }}-gradle

      - name: Grant execute permission for gradlew
        run: chmod +x gradlew

      - name: Build with Gradle
        run: ./gradlew clean build

      - name: Publish to sonartype
        run: ./gradlew publish

      - name: Release to central
        run: ./gradlew closeAndReleaseRepository