Add docker image build

Dockerfile

@@ -0,0 +1,5 @@
+FROM openjdk:8-jdk-alpine
+VOLUME /tmp
+ARG JAR_FILE
+COPY ${JAR_FILE} app.jar
+ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/app.jar"]

pom.xml

@@ -16,6 +16,7 @@
 
     <properties>
         <java.version>1.8</java.version>
+        <docker.image.prefix>malanius</docker.image.prefix>
     </properties>
 
     <dependencies>
@@ -37,6 +38,19 @@
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
             </plugin>
+
+            <plugin>
+                <groupId>com.spotify</groupId>
+                <artifactId>dockerfile-maven-plugin</artifactId>
+                <version>1.3.6</version>
+                <configuration>
+                    <repository>${docker.image.prefix}/${project.artifactId}</repository>
+                    <buildArgs>
+                        <JAR_FILE>target/${project.build.finalName}.jar</JAR_FILE>
+                    </buildArgs>
+                </configuration>
+            </plugin>
+
         </plugins>
     </build>