clean and add pkg in Dockerfile

Dockerfile

@@ -1,8 +1,10 @@
 FROM kalilinux/kali:latest
 RUN apt-get update && apt-get upgrade -y
-#RUN apt-get install -y openssh-server
+
+RUN apt-get install -y openssh-server
 
 ENV DEBIAN_FRONTEND=noninteractive
+
 RUN apt-get install -y xfce4
 RUN apt-get install -y fakechroot
 RUN apt-get install -y --no-install-recommends build-essential cmake git libjson-c-dev libwebsockets-dev
@@ -11,35 +13,15 @@ RUN apt-get install -y rsync
 RUN apt-get install -y sudo
 RUN apt-get install -y fakeroot
 RUN apt-get install -y neofetch
-#RUN apt-get install -y ttyd
-#RUN apt-get install -y npm
 RUN apt-get install -y apt-utils
 RUN apt-get install -y git
 RUN apt-get install -y nano
 RUN apt-get install -y tigervnc-standalone-server
-#RUN apt-get install -y ubuntu-desktop tightvncserver
-#RUN yes 31 | apt install -y gnome-panel gnome-settings-daemon metacity nautilus gnome-terminal
-
-#RUN adduser --disabled-password --gecos '' r
-#RUN adduser r sudo
-#RUN echo '%u57385 ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
-#RUN apt-get clean && apt-get autoclean && apt-get autoremove -y
-RUN mkdir /home/kcubeterm
-#RUN mkdir /home/rahil1
-#RUN mkdir /home/kcubeterm/home
-#RUN unminimize
-#RUN mkdir /root/.ssh
-#RUN mkdir /root/app
-#COPY authorized_keys /root/.ssh/authorized_keys
-#COPY installer.sh /root/installer.sh
+RUN npm install -g heroku
 COPY root.sh /usr/local/bin/root.sh
 COPY .bashrc $HOME/.bashrc
 RUN apt-get install -y wget 
+RUN apt-get install -y curl
 ADD https://github.com/tsl0922/ttyd/releases/download/1.6.1/ttyd_linux.x86_64 /usr/local/bin/ttyd
 RUN chmod +x /usr/local/bin/ttyd
-#RUN bash /root/installer.sh
-#RUN echo -e "kk\nkk" | passwd
-#COPY sshd_config /root/.ssh/sshd_config
-#COPY app.js /root/app/app.js
-#COPY package.json /root/app/package.json