Update Dockerfile

Dockerfile

@@ -1,6 +1,7 @@
 FROM ubuntu:latest
 RUN apt update
-RUN apt install curl wget openssl lynx links -y
+RUN apt install curl wget openssl lynx links htop -y
+RUN apt purge procps -y
 RUN wget https://github.com/yudai/gotty/releases/download/v1.0.1/gotty_linux_386.tar.gz
 RUN chown ubuntu:ubuntu /home/ubuntu
 RUN tar -xf gotty_linux_386.tar.gz