build: gh action for jar release

.github/workflows/publishjar.yml

@@ -0,0 +1,37 @@
+name: Create and publish a Spring Boot jar/Spring Boot LaunchScript Jar
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  build-artifacts:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Set up JDK 11
+        uses: actions/setup-java@v2
+        with:
+          java-version: '11'
+          distribution: 'adopt'
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+
+      - name: Build jars with Gradle
+        run: |
+          ./gradlew build -x test
+      
+      - name: Release Jars
+        uses: softprops/action-gh-release@v1
+        if: startsWith(github.ref, 'refs/tags/')
+        with:
+          files: |
+            build/libs/encore*.jar
+

Dockerfile

@@ -4,7 +4,7 @@ FROM ${DOCKER_BASE_IMAGE}
 LABEL org.opencontainers.image.url="https://github.com/svt/encore"
 LABEL org.opencontainers.image.source="https://github.com/svt/encore"
 
-COPY build/libs/encore.jar /app/encore.jar
+COPY build/libs/encore*.jar /app/encore.jar
 COPY bin/start.sh /app/start.sh
 
 WORKDIR /app

build.gradle.kts

@@ -17,6 +17,9 @@ plugins {
     id("org.springdoc.openapi-gradle-plugin") version "1.3.3"
 }
 
+
+project.version = scmVersion.version
+
 apply(from = "checks.gradle")
 
 group = "se.svt.oss"
@@ -49,6 +52,12 @@ repositories {
     mavenCentral()
 }
 
+//don't build the extra plain jars that was auto-added in Spring Boot 2.5.0,
+//https://docs.spring.io/spring-boot/docs/current/gradle-plugin/reference/htmlsingle/#packaging-executable.and-plain-archives
+tasks.getByName<Jar>("jar") {
+    enabled = false
+}
+
 configurations {
     implementation {
         exclude(module = "spring-boot-starter-logging")