FROM ubuntu:20.04
EXPOSE 8080
RUN apt-get -y update && \
apt-get install -y \
     curl \
     tmux \
     iproute2 \
     iputils-ping \
     openssh-client \
     vim \
     nano \
     screen \
     tcpdump && \
VERSION=v1.0.1 && \
curl -sLk https://github.com/yudai/gotty/releases/download/$VERSION/gotty_linux_amd64.tar.gz \
| tar xzC /usr/local/bin && \
apt-get purge --auto-remove -y curl && \
apt-get clean && \
rm -rf /var/lib/apt/lists* 
ENV TERM=xterm-256color
ENTRYPOINT ["/usr/local/bin/gotty"]
CMD ["--permit-write","--reconnect","/usr/bin/tmux","new","-A","-s","gotty"]