FROM ruby:2.6.5 ENV RAILS_ENV development # Add 'web' user which will run the application RUN adduser web --home /home/web --shell /bin/bash --disabled-password --gecos "" RUN apt-get update && apt-get -y upgrade \ && apt-get -y install \ libmariadb-dev libmariadb-dev-compat \ libssl-dev \ zlib1g-dev libreadline-dev libyaml-dev \ libxslt1-dev libxml2-dev \ imagemagick libmagickwand-dev \ nodejs \ phantomjs \ firefox-esr # Separate Gemfile ADD so that `bundle install` can be cached more effectively ADD Gemfile Gemfile.lock /var/www/ RUN gem install bundler && \ mkdir -p /var/bundle && chown -R web:web /var/bundle && chown -R web:web /var/www WORKDIR /var/www USER web RUN bundle config github.https true && \ bundle config set path '/var/bundle' && \ bundle install --jobs 8 CMD ["/var/www/bin/script/entry.sh"]