FROM ruby:2.2.4 ENV RAILS_ENV=production RUN echo 'deb http://httpredir.debian.org/debian jessie-backports main contrib non-free' >> /etc/apt/sources.list RUN apt-get update -qq && apt-get install -y build-essential libpq-dev libxml2-dev libxslt1-dev nodejs nodejs-legacy npm ffmpeg && rm -rf /var/lib/apt/lists/* RUN mkdir /mastodon WORKDIR /mastodon ADD Gemfile /mastodon/Gemfile ADD Gemfile.lock /mastodon/Gemfile.lock RUN bundle install --deployment --without test development ADD package.json /mastodon/package.json RUN npm install ADD . /mastodon VOLUME ["/mastodon/public/system", "/mastodon/public/assets"]