FROM node:10.15.0-stretch
WORKDIR /usr/src/app

USER root
RUN echo 'root:root' | chpasswd

# Install dependencies
COPY package*.json ./
RUN apt-get update
RUN apt-get install -y openssh-server

RUN mkdir /var/run/sshd
RUN sed -i 's/#PasswordAuthentication yes/PasswordAuthentication yes/' /etc/ssh/sshd_config
RUN echo 'PermitRootLogin=without-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
RUN sed -ie 's/#PermitUserEnvironment no/PermitUserEnvironment yes/g' /etc/ssh/sshd_config
RUN sed -ir 's/#HostKey \/etc\/ssh\/ssh_host_rsa_key/HostKey \/etc\/ssh\/ssh_host_rsa_key/g' /etc/ssh/sshd_config
RUN sed -ir 's/#HostKey \/etc\/ssh\/ssh_host_dsa_key/HostKey \/etc\/ssh\/ssh_host_dsa_key/g' /etc/ssh/sshd_config
RUN sed -ir 's/#HostKey \/etc\/ssh\/ssh_host_ecdsa_key/HostKey \/etc\/ssh\/ssh_host_ecdsa_key/g' /etc/ssh/sshd_config

## Suppress error message 'Could not load host key: ...'
RUN rm -f /etc/ssh/ssh_host_rsa_key
RUN rm -f /etc/ssh/ssh_host_dsa_key
RUN rm -f /etc/ssh/ssh_host_ecdsa_key
RUN ssh-keygen -q -N "" -t rsa -f /etc/ssh/ssh_host_rsa_key
RUN ssh-keygen -q -N "" -t dsa -f /etc/ssh/ssh_host_dsa_key
RUN ssh-keygen -q -N "" -t ecdsa -f /etc/ssh/ssh_host_ecdsa_key
RUN chmod 0444 /etc/ssh/*

## Execute SSHD from entrypoint
COPY entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh
ENTRYPOINT ["/entrypoint.sh"]

## open ssh port
EXPOSE 22

USER node

# Run
CMD ["npm", "start"]