moving docker to a separate package

Dockerfile

@@ -0,0 +1,18 @@
+FROM maven:3.6.3-jdk-14 as builder
+WORKDIR application
+COPY ./ ./
+RUN mvn clean install
+
+FROM openjdk:14 as layerBuilder
+WORKDIR application
+ARG JAR_FILE=application/target/*.jar
+COPY --from=builder ${JAR_FILE} application.jar
+RUN java -Djarmode=layertools -jar application.jar extract
+
+FROM openjdk:14
+WORKDIR application
+COPY --from=layerBuilder application/dependencies/ ./
+COPY --from=layerBuilder application/spring-boot-loader/ ./
+COPY --from=layerBuilder application/snapshot-dependencies/ ./
+COPY --from=layerBuilder application/application/ ./
+ENTRYPOINT ["java", "-Djava.security.cgd=file:/dev/./urandom", "org.springframework.boot.loader.JarLauncher"]