Automatically deploy to Maven Central when creating new GitHub releases

Author: jchambers

.github/workflows/deploy.yml

@@ -0,0 +1,35 @@
+name: Deploy to Maven Central
+
+on: [release]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+
+      - name: Set up JDK
+        uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
+        with:
+          distribution: temurin
+          java-version: 8
+          server-id: central
+          server-username: ${{ secrets.MAVEN_CENTRAL_USERNAME }}
+          server-password: ${{ secrets.MAVEN_CENTRAL_TOKEN }}
+          gpg-private-key: ${{ secrets.MAVEN_GPG_PRIVATE_KEY }}
+          gpg-passphrase: ${{ secrets.MAVEN_GPG_PASSPHRASE }}
+
+      - name: Cache local Maven repository
+        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        with:
+          path: ~/.m2/repository
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
+
+      - name: Publish to Apache Maven Central
+        run: ./mvnw deploy -DperformRelease=true
+        env:
+          MAVEN_USERNAME: ${{ secrets.MAVEN_CENTRAL_USERNAME }}
+          MAVEN_CENTRAL_TOKEN: ${{ secrets.MAVEN_CENTRAL_TOKEN }}
+          MAVEN_GPG_PASSPHRASE: ${{ secrets.MAVEN_GPG_PASSPHRASE }}