Publish on release

.github/scripts/create-m2-settings.xml

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+if [ -z "${SONATYPE_USERNAME}" ]; then
+    echo "Set SONATYPE_USERNAME to continue";
+    exit 1
+fi
+
+if [ -z "${SONATYPE_PASSWORD}" ]; then
+    echo "Set SONATYPE_PASSWORD to continue";
+    exit 1
+fi
+
+root=$(cd "$(dirname "$0")/../.." && pwd)
+
+mkdir -p "${root}/.m2"
+cat <<EOF > "${root}/.m2/settings.xml"
+<settings>
+    <servers>
+        <server>
+        <id>ossrh</id>
+        <username>${SONATYPE_USERNAME}</username>
+        <password>${SONATYPE_PASSWORD}</password>
+        </server>
+    </servers>
+</settings>
+EOF
+
+exit 0

.github/workflows/publish.yml

@@ -0,0 +1,24 @@
+name: osc-sdk-java maven publishing
+on:
+  release:
+    types: [released]
+
+jobs:
+  publish:
+    environment: publish
+    runs-on: ubuntu-20.04
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-java@v3
+      with:
+        distribution: 'temurin' 
+        java-version: '11'
+        cache: 'maven'
+    - name: Setup credentials
+      run: .github/scripts/create-m2-settings.xml
+      env:
+        SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
+        SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
+    - name: Publish
+      run: mvn deploy
+