update gradle config, add docker build & ci

Author: topi314

.github/workflows/build.yml

@@ -0,0 +1,82 @@
+name: Build
+
+on:
+  push:
+    branches: [ '**' ]
+    paths-ignore:
+      - '**.md'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Java
+        uses: actions/setup-java@v4
+        with:
+          distribution: zulu
+          java-version: 17
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v4
+
+      - name: Build Lavalink-Config-Server
+        run: ./gradlew build
+
+      - name: Upload Lavalink-Config-Server.jar
+        uses: actions/upload-artifact@v4
+        with:
+          name: Lavalink-Config-Server.jar
+          path: build/libs/Lavalink-Config-Server.jar
+
+  build-docker:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Download Lavalink-Config-Server.jar
+        uses: actions/download-artifact@v4
+        with:
+          name: Lavalink-Config-Server.jar
+          path: build/libs/
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Docker Meta ${{ matrix.name }}
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ghcr.io/${{ github.repository }}
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=sha,prefix=
+
+      - name: Docker Build ${{ matrix.name }} and Push
+        uses: docker/build-push-action@v6
+        with:
+          file: Dockerfile
+          context: .
+          platforms: linux/amd64,linux/arm64/v8
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -0,0 +1,17 @@
+FROM azul/zulu-openjdk-alpine:21-jre-headless-latest
+
+# Run as non-root user
+RUN addgroup -g 322 -S lavalink && \
+    adduser -u 322 -S lavalink lavalink
+
+WORKDIR /opt/Lavalink-Config-Server
+
+RUN chown -R lavalink:lavalink /opt/Lavalink-Config-Server
+
+USER lavalink
+
+COPY build/libs/Lavalink-Config-Server.jar Lavalink-Config-Server.jar
+
+ENTRYPOINT ["java", "-jar"]
+
+CMD ["Lavalink-Config-Server.jar"]

build.gradle.kts

@@ -1,13 +1,19 @@
+import org.ajoberstar.grgit.Grgit
+
 plugins {
     java
     application
+    id("org.ajoberstar.grgit") version "5.2.0"
+    id("org.springframework.boot") version "3.3.0"
 }
 
+val gitVersion = versionFromGit()
+logger.lifecycle("Version: $gitVersion")
+
 group = "dev.lavalink.config.server"
-version = "1.0-SNAPSHOT"
 
 application {
-    mainClass = "lavalink.server.Launcher"
+    mainClass = "dev.lavalink.config.server.Launcher"
 }
 
 repositories {
@@ -19,3 +25,18 @@ dependencies {
     implementation("org.springframework.cloud:spring-cloud-config-server:4.2.2")
     implementation("ch.qos.logback:logback-classic:1.5.6")
 }
+
+fun versionFromGit(): String {
+    Grgit.open(mapOf("currentDir" to project.rootDir)).use { git ->
+        val headTag = git.tag
+            .list()
+            .find { it.commit.id == git.head().id }
+
+        val clean = git.status().isClean || System.getenv("CI") != null
+        if (!clean) {
+            logger.lifecycle("Git state is dirty, version is a snapshot.")
+        }
+
+        return if (headTag != null && clean) headTag.name else "${git.head().id}-SNAPSHOT"
+    }
+}

src/main/java/dev/lavalink/config/server/Main.java renamed to src/main/java/dev/lavalink/config/server/Launcher.java

@@ -6,10 +6,10 @@
 
 @SpringBootApplication
 @EnableConfigServer
-public class Main {
+public class Launcher {
 
 	public static void main(String[] args) {
-		SpringApplication.run(Main.class, args);
+		SpringApplication.run(Launcher.class, args);
 	}
 
 }