FROM ubuntu:bionic

# silent debconf warnings
ARG DEBIAN_FRONTEND=noninteractive

# Setup user ubuntu, with password ubuntu
RUN adduser --disabled-password --gecos "" ubuntu
RUN echo "ubuntu:ubuntu" | chpasswd
RUN usermod -aG sudo ubuntu

# Setup vimrc
COPY .vimrc /home/ubuntu/.vimrc

# Update and install software packages for SP
RUN apt-get update
RUN apt-get upgrade -y
RUN apt-get install -y apt-utils man 
RUN apt-get install -y locales sudo openssh-server wget curl screen htop
RUN apt-get install -y vim git build-essential gdb valgrind astyle clang-format
RUN mkdir /var/run/sshd

# Set locale to Traditional Chinese
RUN locale-gen en_US.UTF-8
RUN locale-gen zh_TW.UTF-8
ENV LANG en_US.UTF-8
ENV LANGUAGE en_US:en
ENV LC_ALL en_US.UTF-8

# Change to zsh for default shell
RUN apt-get update && apt-get install -y zsh git-core
RUN git clone https://github.com/robbyrussell/oh-my-zsh.git /home/ubuntu/.oh-my-zsh \
    && cp /home/ubuntu/.oh-my-zsh/templates/zshrc.zsh-template /home/ubuntu/.zshrc \
    && chsh -s /bin/zsh ubuntu
RUN echo "export LC_ALL=zh_TW.UTF-8" >> /home/ubuntu/.zshrc
RUN echo "export LANG=zh_TW.UTF-8" >> /home/ubuntu/.zshrc
RUN echo "export LANGUAGE=zh_TW.UTF-8" >> /home/ubuntu/.zshrc

RUN apt-get autoremove
RUN apt-get clean

# Expose SSH port
EXPOSE 22
CMD    ["/usr/sbin/sshd", "-D"]