set version; added docker plugin for pushing image

pom.xml

@@ -5,7 +5,7 @@
 
    <groupId>org.zerhusen</groupId>
    <artifactId>jwtdemo</artifactId>
-   <version>0.0.1-SNAPSHOT</version>
+   <version>2.0.0</version>
    <packaging>jar</packaging>
 
    <name>jwtdemo</name>
@@ -23,6 +23,8 @@
       <java.version>11</java.version>
 
       <jjwt.version>0.10.6</jjwt.version>
+
+      <dockerfile-maven-plugin.version>1.4.12</dockerfile-maven-plugin.version>
    </properties>
 
    <dependencies>
@@ -87,4 +89,39 @@
       </plugins>
    </build>
 
+   <profiles>
+      <profile>
+         <id>build-docker</id>
+         <build>
+            <plugins>
+               <plugin>
+                  <groupId>com.spotify</groupId>
+                  <artifactId>dockerfile-maven-plugin</artifactId>
+                  <version>${dockerfile-maven-plugin.version}</version>
+                  <executions>
+                     <execution>
+                        <id>default</id>
+                        <goals>
+                           <goal>build</goal>
+                           <goal>push</goal>
+                        </goals>
+                        <!-- I don't have deployment -->
+                        <phase>pre-integration-test</phase>
+                     </execution>
+                  </executions>
+                  <configuration>
+                     <dockerfile>${project.basedir}/src/main/docker/Dockerfile</dockerfile>
+                     <repository>hubae/jwt-spring-security-demo</repository>
+                     <tag>${project.version}</tag>
+                     <useMavenSettingsForAuth>true</useMavenSettingsForAuth>
+                     <buildArgs>
+                        <JAR_FILE>${project.build.finalName}.jar</JAR_FILE>
+                     </buildArgs>
+                  </configuration>
+               </plugin>
+            </plugins>
+         </build>
+      </profile>
+   </profiles>
+
 </project>

src/main/docker/Dockerfile

@@ -0,0 +1,8 @@
+FROM adoptopenjdk/openjdk11:alpine
+MAINTAINER Stephan Zerhusen <strephan.zerhusen@gmail.com>
+
+# Add the service itself
+ARG JAR_FILE
+ADD target/${JAR_FILE} /usr/share/jwt-spring-security-demo.jar
+
+ENTRYPOINT ["java", "-jar", "/usr/share/jwt-spring-security-demo.jar"]