Updated Dockerfile to OpenJDK 11

Dockerfile

@@ -1,14 +1,10 @@
-FROM fabric8/java-jboss-openjdk8-jdk:1.4.0
+FROM openjdk:11-jre-slim
 MAINTAINER Nils Hoffmann <[email protected]>
+
+EXPOSE 8083
 VOLUME /tmp
-# receive jar file to host via argument
 ARG JAR_FILE
 ARG APP_NAME
+ADD target/${JAR_FILE} app.jar
+ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/app.jar"]
 
-ENV AB_OFF true
-EXPOSE 8083
-ENV JAVA_OPTIONS="-Djava.security.egd=file:/dev/./urandom"
-ENV JAVA_APP_JAR=${JAR_FILE}
-ENV JAVA_APP_NAME=${APP_NAME}
-#this is Maven's target dir
-ADD target/${JAR_FILE} /deployments/