Update Dockerfile

Dockerfile

@@ -1,3 +1,3 @@
 FROM ubuntu:latest
 MAINTAINER Faraz Fallahi <[email protected]>
-RUN apt -y update && apt -y upgrade && apt -y install build-essential clang cmake gdb git gperf iputils-ping nano qt5-default valgrind wget && apt -y autoremove && apt -y autoclean
+RUN apt -y update && apt -y upgrade && apt -y install build-essential clang cmake gdb git gperf iputils-ping nano qt5-default valgrind wget && apt -y autoremove && apt -y autoclean && apt -y clean