FROM centos:centos7

RUN yum -y update && yum install -y openssh-server
RUN yum clean all

# alooma user setup
RUN useradd -ms /bin/bash alooma

# sshd setup
RUN mkdir /var/run/sshd
RUN ssh-keygen -A

RUN sed -i 's/PasswordAuthentication yes/PasswordAuthentication no/' /etc/ssh/sshd_config

RUN mkdir /home/alooma/.ssh

ADD authorized_keys /home/alooma/.ssh/authorized_keys

RUN chmod +x /home/alooma/.ssh
RUN chown -R alooma:alooma /home/alooma/.ssh

WORKDIR /home/alooma

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