product-service-docker: Exercise jar solution

Author: mama-samba-braima

pom.xml

@@ -11,6 +11,7 @@
     <groupId>com.amigoscode</groupId>
     <artifactId>jfs</artifactId>
     <version>0.0.1-SNAPSHOT</version>
+    <packaging>jar</packaging>
     <name>java-springboot-full-stack</name>
     <description>java-springboot-full-stack</description>
     <url/>
@@ -68,6 +69,7 @@
     </dependencies>
 
     <build>
+        <finalName>product-service</finalName>
         <plugins>
             <plugin>
                 <groupId>org.springframework.boot</groupId>