Create release-to-mvn-central.yml

Release Workflow to release to MVN Central

.github/workflows/release-to-mvn-central.yml

@@ -0,0 +1,34 @@
+name: release and push to central
+on:
+  push:
+    tags:
+        - '[0-9]+.[0-9]+.[0-9]'
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up JAVA 
+      uses: actions/setup-java@v3
+      with: # running setup-java again overwrites the settings.xml
+        distribution: 'temurin'
+        java-version: '8'
+    - name: build artifact
+      run: mvn clean package
+    - name: Prepare for publishing to Maven central
+      uses: actions/setup-java@v3
+      with: # running setup-java again overwrites the settings.xml
+        distribution: 'temurin'
+        java-version: '11'
+        server-id: central
+        server-username: MAVEN_CENTRAL_USERNAME # env variable for username in deploy
+        server-password: MAVEN_CENTRAL_TOKEN # env variable for token in deploy
+        gpg-private-key: ${{ secrets.MAVEN_GPG_PRIVATE_KEY }} # Value of the GPG private key to import
+        gpg-passphrase: MAVEN_GPG_PASSPHRASE     
+    - name: Publish to Apache Maven Central
+      run: mvn clean deploy -P release
+      env:
+        MAVEN_USERNAME: ${{ secrets.MAVEN_CENTRAL_USERNAME}}
+        MAVEN_CENTRAL_TOKEN: ${{ secrets.MAVEN_CENTRAL_PASSWORD }}
+        MAVEN_GPG_PASSPHRASE: ${{ secrets.MAVEN_GPG_PASSPHRASE }}
+