Update JAR file name in Dockerfile

Author: pavan203

Dockerfile

@@ -8,5 +8,6 @@ RUN mvn clean package -DskipTests
 # Stage 2: Run the application
 FROM eclipse-temurin:21-jre
 WORKDIR /app
-COPY --from=build /app/target/simple-java-maven-app-1.0-SNAPSHOT.jar app.jar
+COPY --from=build /app/target/my-app-1.0-SNAPSHOT.jar app.jar
 ENTRYPOINT ["java", "-jar", "app.jar"]
+