FROM ubuntu:xenial
MAINTAINER Genki Sugawara <sgwr_dts@yahoo.co.jp>

USER root
WORKDIR /

RUN apt-get update
RUN apt-get install -y ruby
RUN apt-get install -y ruby-dev
RUN apt-get install -y build-essential
RUN apt-get install -y zlib1g-dev
RUN apt-get install -y libxml2-dev
RUN apt-get install -y libsqlite3-dev
RUN apt-get install -y nodejs
RUN gem install rails
RUN rails new hello --skip-bundle
RUN sed -i '/puma/d' hello/Gemfile
RUN echo 'gem "unicorn"' >> hello/Gemfile
RUN bundle config --global silence_root_warning 1
RUN cd /hello && bundle
ADD unicorn.conf.rb /hello/config/

ADD init.sh /
RUN chmod +x /init.sh

EXPOSE 8080

CMD ["/init.sh"]