feat: snapshot releases (#54)

Author: csviri

.github/workflows/snapshot-releases.yml

@@ -0,0 +1,44 @@
+name: Test & Release Snapshot to Maven Central
+
+env:
+  MAVEN_ARGS: -V -ntp -e
+
+concurrency:
+  group: ${{ github.ref }}-${{ github.workflow }}
+  cancel-in-progress: true
+on:
+  push:
+    branches: [ main ]
+  workflow_dispatch:
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Java and Maven
+        uses: actions/setup-java@v3
+        with:
+          distribution: temurin
+          java-version: 11
+          cache: 'maven'
+      - name: Run unit tests
+        run: ./mvnw ${MAVEN_ARGS} -B test --file pom.xml
+  release-snapshot:
+    runs-on: ubuntu-latest
+    needs: test
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Java and Maven
+        uses: actions/setup-java@v3
+        with:
+          distribution: temurin
+          java-version: 11
+          cache: 'maven'
+      - name: Release Maven package
+        uses: samuelmeuli/action-maven-publish@v1
+        with:
+          maven_profiles: "release"
+          gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
+          gpg_passphrase: ${{ secrets.GPG_PASSPHRASE }}
+          nexus_username: ${{ secrets.OSSRH_USERNAME }}
+          nexus_password: ${{ secrets.OSSRH_TOKEN }}

pom.xml

@@ -61,6 +61,24 @@
         <sonar.host.url>https://sonarcloud.io</sonar.host.url>
     </properties>
 
+    <repositories>
+        <repository>
+            <id>ossrh</id>
+            <url>https://oss.sonatype.org/content/repositories/snapshots/</url>
+            <snapshots>
+                <enabled>true</enabled>
+                <updatePolicy>always</updatePolicy>
+            </snapshots>
+        </repository>
+    </repositories>
+
+    <distributionManagement>
+        <snapshotRepository>
+            <id>ossrh</id>
+            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+        </snapshotRepository>
+    </distributionManagement>
+
     <modules>
         <module>core</module>
         <module>samples</module>