Added Docker containerization support and updated README.

Author: maslycht

README.md

@@ -42,7 +42,17 @@ Or simply run it using Maven directly:
 
 ### 🐳 Dockerized
 
-[//]: # (TODO: Add Docker instructions)
+The app is [published](https://hub.docker.com/r/maslycht/foreign-splitter-java) in Docker Hub and can be run directly:
+
+```shell
+docker run -p 8080:8080 maslycht/foreign-splitter-java
+```
+
+To build the image locally, run:
+
+```shell
+./mvnw compile jib:dockerBuild
+```
 
 ## 🎥 Demo
 

pom.xml

@@ -63,6 +63,20 @@
 				<groupId>org.springframework.boot</groupId>
 				<artifactId>spring-boot-maven-plugin</artifactId>
 			</plugin>
+            <plugin>
+                <groupId>com.google.cloud.tools</groupId>
+                <artifactId>jib-maven-plugin</artifactId>
+                <version>3.4.4</version>
+                <configuration>
+                    <to>
+                        <image>docker.io/maslycht/foreign-splitter-java</image>
+                        <tags>
+                            <tag>${project.version}</tag>
+                            <tag>latest</tag>
+                        </tags>
+                    </to>
+                </configuration>
+            </plugin>
 		</plugins>
 	</build>
 	<repositories>