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.github/workflows/publish.yml

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+name: Publish
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up JDK 11
+      uses: actions/setup-java@v2
+      with:
+        java-version: '11'
+        distribution: 'adopt'
+
+    - name: Publish to GitHub Packages
+      uses: gradle/gradle-build-action@937999e9cc2425eddc7fd62d1053baf041147db7
+      with:
+        arguments: publish
+      env:
+        USERNAME: ${{ github.actor }}
+        TOKEN: ${{ secrets.GITHUB_TOKEN }}