Dockerfile.development

FROM ruby:2.2.2
RUN apt-get update -qq && apt-get install -y build-essential libpq-dev
RUN mkdir /rails_app
WORKDIR /rails_app
ADD Gemfile /rails_app/Gemfile
ADD Gemfile.lock /rails_app/Gemfile.lock
RUN gem install bundler \
    && bundle install
# this command isn't needed for the normal usage with docker-compose that starts the image with a Volume that shadows this original directory.  But it doesn't hurt
ADD . /rails_app
ENTRYPOINT rm -rf /rails_app/tmp; \
           bundle exec rake initdb:run; \
           bundle exec rails s -p 3000 -b '0.0.0.0'