build: add GitHub workflow to build release image

.github/workflows/release.yml

@@ -0,0 +1,36 @@
+name: Create release and upload assets
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  build_image:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Execute image build and push
+        run: |
+          ./gradlew test bootBuildImage
+          docker tag ghcr.io/pcvolkmer/onco-analytics-monitor ghcr.io/pcvolkmer/onco-analytics-monitor:${{ github.ref_name }}
+          docker push ghcr.io/pcvolkmer/onco-analytics-monitor
+          docker push ghcr.io/pcvolkmer/onco-analytics-monitor:${{ github.ref_name }}

build.gradle.kts

@@ -1,3 +1,5 @@
+import org.springframework.boot.gradle.tasks.bundling.BootBuildImage
+
 plugins {
     id("org.springframework.boot") version "3.3.2"
     id("io.spring.dependency-management") version "1.1.6"
@@ -8,7 +10,7 @@ plugins {
 }
 
 group = "dev.pcvolkmer.onco-analytics"
-version = "0.0.1-SNAPSHOT"
+version = "0.1.0-SNAPSHOT"
 
 java {
     toolchain {
@@ -58,3 +60,13 @@ kotlin {
 tasks.withType<Test> {
     useJUnitPlatform()
 }
+
+tasks.named<BootBuildImage>("bootBuildImage") {
+    imageName.set("ghcr.io/pcvolkmer/onco-analytics-monitor")
+
+    environment.set(environment.get() + mapOf(
+        "BP_OCI_SOURCE" to "https://github.com/pcvolkmer/onco-analytics-monitor",
+        "BP_OCI_LICENSES" to "AGPLv3",
+        "BP_OCI_DESCRIPTION" to "Kafka Topic monitoring for https://github.com/bzkf/onco-analytics-on-fhir"
+    ))
+}