FROM alpine:3.18
# Arguement for Password
ARG PASSWORD=123456
# Installing the openssh and bash package, removing the apk cache
RUN sed -i 's#https\?://dl-cdn.alpinelinux.org/alpine#https://mirrors.tuna.tsinghua.edu.cn/alpine#g' /etc/apk/repositories\
  && apk --update add --no-cache openssh bash \
  && sed -i s/#PermitRootLogin.*/PermitRootLogin\ yes/ /etc/ssh/sshd_config \
  && echo "root:${PASSWORD}" | chpasswd \
  && rm -rf /var/cache/apk/*
# Defining the Port 22 for service
RUN sed -ie 's/#Port 22/Port 22/g' /etc/ssh/sshd_config
RUN /usr/bin/ssh-keygen -A
RUN ssh-keygen -t rsa -b 4096 -f  /etc/ssh/ssh_host_key
ENV NOTVISIBLE "in users profile"
RUN echo "export VISIBLE=now" >> /etc/profile
EXPOSE 22
CMD ["/usr/sbin/sshd", "-D"]