FROM ubuntu:latest

RUN apt-get update && apt-get install -y \
    openssh-server \
    xvfb \
    x11vnc \
    xfce4 \
    xfce4-goodies \
    sudo \
    && apt-get clean

RUN mkdir /var/run/sshd
RUN sed -i 's/#PermitRootLogin prohibit-password/PermitRootLogin prohibit-password/' /etc/ssh/sshd_config

# SSH login fix. Otherwise user is kicked off after login
RUN sed 's@session\s*required\s*pam_loginuid.so@session optional pam_loginuid.so@g' -i /etc/pam.d/sshd

# Enable X11 forwarding
RUN sed -i 's/#X11UseLocalhost yes/X11UseLocalhost no/' /etc/ssh/sshd_config
RUN echo "X11Forwarding yes" >> /etc/ssh/sshd_config
RUN echo "AddressFamily inet" >> /etc/ssh/sshd_config

ENV NOTVISIBLE "in users profile"
RUN echo "export VISIBLE=now" >> /etc/profile

# Add script to create user
COPY create_ubuntu_user.sh /usr/local/bin/create_ubuntu_user.sh
RUN chmod +x /usr/local/bin/create_ubuntu_user.sh

EXPOSE 22 5901
CMD ["/usr/sbin/sshd", "-D"]