Dockerfile-template

FROM kalilinux/kali-rolling

# installing prerequisite to use kali https repository
RUN apt update -q --fix-missing
RUN apt upgrade -y
RUN apt install -y --no-install-recommends ca-certificates apt-transport-https

# change repository to https
RUN echo "deb https://kali.download/kali kali-rolling main contrib non-free" > /etc/apt/sources.list
RUN apt update -q --fix-missing

# install packages that we must have installed
RUN apt install -y --no-install-recommends sudo wget curl dbus-x11 xinit kali-desktop-xfce \ 
    kali-linux-core tigervnc-standalone-server tigervnc-tools 

# create new account
RUN useradd -m -s /bin/zsh -G sudo kali
RUN echo 'kali:kali' | chpasswd

# change ssh port to 2022
RUN echo "Port 2022" >> /etc/ssh/sshd_config

# make startup scripts
RUN echo "#!/bin/bash" > /startup.sh
RUN echo "/etc/init.d/ssh start" >> /startup.sh
RUN chmod 755 /startup.sh

# vnc config
RUN echo "/usr/libexec/tigervncsession-start :8" >> /startup.sh; \
    echo "echo -e 'kali' | vncpasswd -f >/home/kali/.vnc/passwd" >> /startup.sh; \
    echo "while true; do sudo -u kali vncserver -fg -v ; done" >> /startup.sh; \
    echo ":8=kali" >> /etc/tigervnc/vncserver.users; \
    echo '$localhost = "no";' >>/etc/tigervnc/vncserver-config-mandatory; \
    echo '$SecurityTypes = "VncAuth";' >> /etc/tigervnc/vncserver-config-mandatory; \
    mkdir -p /home/kali/.vnc; \
    chown kali:kali /home/kali/.vnc; \
    touch /home/kali/.vnc/passwd; \
    chown kali:kali /home/kali/.vnc/passwd; \
    chmod 600 /home/kali/.vnc/passwd; \
    echo "/bin/bash" >> /startup.sh

# install package.txt customization
RUN apt install -y --no-install-recommends \
    # packages.txt customization >>>

# ssh and vnc port
EXPOSE 2022 5908
WORKDIR "/root"
ENTRYPOINT ["/bin/zsh"]
# CMD ["/startup.sh"] should be called if you want to start vnc server