FROM ubuntu:precise
MAINTAINER me@example.com

# Prepare chinese apt mirror - upgrade to latest
RUN printf "deb http://mirrors.163.com/ubuntu precise main\ndeb http://mirrors.163.com/ubuntu/ precise universe\n" > /etc/apt/sources.list
RUN apt-get update
RUN apt-get upgrade -y

# Cheat upstart
RUN dpkg-divert --local --rename --add /sbin/initctl
RUN ln -s /bin/true /sbin/initctl

# Install base packages
RUN apt-get install -y \
    inetutils-ping  \
    net-tools       \
    vim             \
    git             \
    sudo            \
    openssh-server  \
    ssh             \
    screen          \
    htop            \
    dstat           \
    telnet          

# For sshd
RUN mkdir /var/run/sshd

# Set default root pass
RUN yes some_passwd | passwd

# Network binding
EXPOSE 22

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