Update Dockerfile

Dockerfile

@@ -1,22 +1,46 @@
 FROM amazoncorretto:21.0.5-alpine AS deps
+
 WORKDIR /build
+
 COPY --chmod=0755 gradlew gradlew
 COPY gradle/ gradle/
-COPY build.gradle.kts settings.gradle.kts ./
-RUN --mount=type=cache,target=/root/.gradle \
-    ./gradlew dependencies --no-daemon
 
-FROM deps AS package
+RUN --mount=type=bind,source=build.gradle.kts,target=build.gradle.kts \
+    --mount=type=bind,source=settings.gradle.kts,target=settings.gradle.kts \
+    --mount=type=cache,target=/root/.gradle \
+    ./gradlew dependencies --no-daemon --parallel --build-cache
+
+
+
+FROM deps as package
+
 WORKDIR /build
+
 COPY ./src src/
-RUN --mount=type=cache,target=/root/.gradle \
-    --mount=type=cache,target=/build/build \
-    ./gradlew shadowJar -x check -x test --no-daemon --parallel --build-cache \
-    && cp build/libs/*-all.jar app.jar
+RUN --mount=type=bind,source=build.gradle.kts,target=build.gradle.kts \
+    --mount=type=bind,source=settings.gradle.kts,target=settings.gradle.kts \
+    --mount=type=cache,target=/root/.gradle \
+    ./gradlew clean build -x check -x test --no-daemon --parallel --build-cache && \
+    mv build/libs/*-all.jar build/libs/app.jar || \
+    mv build/libs/*.jar build/libs/app.jar
+
+
 
 FROM amazoncorretto:21.0.5-alpine AS final
-RUN addgroup -S appgroup && adduser -S appuser -G appgroup
+
+ARG UID=10001
+RUN adduser \
+    --disabled-password \
+    --gecos "" \
+    --home "/nonexistent" \
+    --shell "/sbin/nologin" \
+    --no-create-home \
+    --uid "${UID}" \
+    appuser
 USER appuser
+
 WORKDIR /app
-COPY --from=package --chown=appuser:appgroup /build/app.jar app.jar
-ENTRYPOINT [ "sh", "-c", "java ${JAVA_OPTS} -jar app.jar" ]
+
+COPY --from=package /build/build/libs/app.jar app.jar
+
+ENTRYPOINT ["java", "${JAVA_OPTS}", "-jar" "app.jar"]