docker-images/docker/ubuntu-ssh/Dockerfile

FROM daocloud.io/library/ubuntu:18.10
#sources.list添加阿里云镜像
ADD sources.list /root/sources.list
# RUN cp /root/sources.list  /etc/apt/sources.list.d/aliyun.list
RUN cp /root/sources.list  /etc/apt/sources.list
RUN apt-get update

LABEL Name=github.com/jianboy/ubuntu-ssh Version=18.10

#安装ssh
RUN apt-get install -y openssh-server
RUN mkdir -p /var/run/sshd
#默认用户名密码 root:password
RUN echo 'root:password' | chpasswd
RUN sed -ri 's/^#PermitRootLogin\s+.*/PermitRootLogin yes/' /etc/ssh/sshd_config
RUN sed -ri 's/UsePAM yes/#UsePAM yes/g' /etc/ssh/sshd_config

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