Dockerfile.remote-cpp-env

# CLion remote docker environment (How to build docker container, run and stop it)
#
# Build and run:
#   docker build -t clion/remote-cpp-env:0.5 -f Dockerfile.remote-cpp-env . --build-arg ssh_pub_key="$(cat ~/.ssh/id_rsa.pub)"
#   docker run -d --cap-add sys_ptrace -p127.0.0.1:2222:22 --name clion_remote_env clion/remote-cpp-env:0.5
#   ssh-keygen -f "$HOME/.ssh/known_hosts" -R "[localhost]:2222"
#
# stop:
#   docker stop clion_remote_env
# 
# ssh credentials (test user):
#   user@password 

FROM ubuntu:20.04

ARG ssh_pub_key

RUN DEBIAN_FRONTEND="noninteractive" apt-get update && apt-get -y install tzdata

RUN apt-get update \
  && apt-get install -y ssh \
      vim \
      build-essential \
      gcc \
      g++ \
      gdb \
      clang \
      cmake \
      libgtest-dev \
      rsync \
      tar \
      python \
      software-properties-common \
      sudo \
      libboost-all-dev \
      libpthread-stubs0-dev \
      libssl-dev \
  && apt-get clean

RUN add-apt-repository ppa:ubuntu-toolchain-r/test \
  && apt-get update \
  && apt install -y gcc-11 g++-11 \
  && apt-get clean

RUN cd /usr/src/googletest && \
    cmake . && \
    cmake --build . --target install && \
    cp /usr/src/googletest/lib/* /usr/lib

RUN wget -O - https://apt.kitware.com/keys/kitware-archive-latest.asc 2>/dev/null | apt-key add -

RUN apt-add-repository 'deb https://apt.kitware.com/ubuntu/ bionic main' && apt-get update

RUN apt -y install cmake && apt -y install cmake-curses-gui

RUN ( \
    echo 'LogLevel DEBUG2'; \
    echo 'PermitRootLogin yes'; \
    echo 'PasswordAuthentication yes'; \
    echo 'Subsystem sftp /usr/lib/openssh/sftp-server'; \
  ) > /etc/ssh/sshd_config_test_clion \
  && mkdir /run/sshd

RUN useradd -m cryptalgocpp \
  && yes password | passwd cryptalgocpp

RUN usermod -s /bin/bash cryptalgocpp

USER cryptalgocpp

RUN mkdir -p /home/cryptalgocpp/.ssh && \
    cd /home/cryptalgocpp/ && \
    touch .ssh/authorized_keys

RUN echo "$ssh_pub_key" > /home/cryptalgocpp/.ssh/authorized_keys && \
    chmod 600 /home/cryptalgocpp/.ssh/authorized_keys

USER root

CMD ["/usr/sbin/sshd", "-D", "-e", "-f", "/etc/ssh/sshd_config_test_clion"]