Docker file with sshd predefined (user: user, pwd: password) For remote debug dockers

Docker_ssh_access.dockerfile

# CLion remote docker environment (How to build docker container, run and stop it)
#
# Build and run:
#   docker build -t clion/debian-remote-cpp-env:9 -f Debian-remote-cpp-env.Dockerfile .
#   docker run -d --cap-add sys_ptrace -p127.0.0.1:2222:22 --name clion_remote_env clion/debian-remote-cpp-env:9
#   ssh-keygen -f "$HOME/.ssh/known_hosts" -R "[localhost]:2222"
#
# stop:
#   docker stop clion_remote_env
#
# ssh credentials (test user):
#   user@password
# ssh user@localhost -p2222


FROM debian:stretch

RUN apt-get update \
  && apt-get install -y ssh \
      build-essential \
      gcc \
      g++ \
      gdb \
      clang \
      cmake \
      rsync \
      tar \
      python \
  && apt-get clean

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 user \
  && yes password | passwd user

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