Add JAVA_OPTS

src/main/docker/Dockerfile

@@ -52,6 +52,9 @@ USER jboss
 # Expose the ports we're interested in
 EXPOSE 8080
 
+# Make Java 8 obey container resource limits, improve performance
+ENV JAVA_OPTS "-XX:+UnlockExperimentalVMOptions -XX:+UseCGroupMemoryLimitForHeap -XX:+UseG1GC -Djava.awt.headless=true"
+
 # Set the default command to run on boot
 # This will boot WildFly in the standalone mode and bind to all interface
 CMD ["/opt/jboss/wildfly/bin/standalone.sh", "-b", "0.0.0.0"]