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@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
+
+      - name: Set up JDK
+        uses: actions/setup-java@99b8673ff64fbf99d8d325f52d9a5bdedb8483e9 # v4.2.1
+        with:
+          distribution: temurin
+          java-version: 8
+          server-id: ossrh
+          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@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
+        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
+        env:
+          MAVEN_USERNAME: ${{ secrets.MAVEN_CENTRAL_USERNAME }}
+          MAVEN_CENTRAL_TOKEN: ${{ secrets.MAVEN_CENTRAL_TOKEN }}
+          MAVEN_GPG_PASSPHRASE: ${{ secrets.MAVEN_GPG_PASSPHRASE }}

pom.xml

@@ -313,6 +313,14 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-gpg-plugin</artifactId>
+
+                        <configuration>
+                            <gpgArguments>
+                                <arg>--pinentry-mode</arg>
+                                <arg>loopback</arg>
+                            </gpgArguments>
+                        </configuration>
+
                         <executions>
                             <execution>
                                 <id>sign-artifacts</id>