diff --git a/.github/workflows/build-docker.yml b/.github/workflows/build-docker.yml
index 7f6e3ac..1e184e7 100644
--- a/.github/workflows/build-docker.yml
+++ b/.github/workflows/build-docker.yml
@@ -14,6 +14,16 @@ jobs:
     steps:
       - name: Checkout Repository
         uses: actions/checkout@v4
+      - name: Validate Gradle Wrapper
+        uses: gradle/wrapper-validation-action@v1
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: 21
+          check-latest: true
+      - name: Build with Gradle
+        run: ./gradlew build
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       - name: Log into registry ${{ env.REGISTRY }}
diff --git a/Dockerfile b/Dockerfile
index c3c4b65..83bbf03 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,4 @@
-FROM --platform=$BUILDPLATFORM gradle:jdk17 as builder
-WORKDIR /build
-COPY build.gradle settings.gradle gradle.properties ./
-COPY .git .git
-COPY src src
-RUN gradle --no-daemon build
-
 FROM --platform=$TARGETPLATFORM eclipse-temurin:21-jre-alpine
-WORKDIR /app
-COPY --from=builder /build/build/libs/ViaProxy-*.jar ViaProxy.jar
-ENTRYPOINT ["java", "-jar", "ViaProxy.jar"]
\ No newline at end of file
+WORKDIR /app/run
+COPY /build/libs/ViaProxy-*.jar /app/ViaProxy.jar
+ENTRYPOINT ["java", "-jar", "/app/ViaProxy.jar", "config", "viaproxy.yml"]