FROM ruby:2.6.8-buster ENV DEBIAN_FRONTEND noninteractive # Install essential Linux packages RUN apt-get update -qq RUN apt-get install -y build-essential libpq-dev postgresql-client nodejs imagemagick sudo libxss1 libappindicator1 libindicator7 unzip memcached cmake pkg-config shared-mime-info # Files created inside the container repect the ownership RUN adduser --shell /bin/bash --disabled-password --gecos "" consul \ && adduser consul sudo \ && echo '%sudo ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers RUN echo 'Defaults secure_path="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/bundle/bin"' > /etc/sudoers.d/secure_path RUN chmod 0440 /etc/sudoers.d/secure_path COPY scripts/entrypoint.sh /usr/local/bin/entrypoint.sh # Define where our application will live inside the image ENV RAILS_ROOT /var/www/consul # Create application home. App server will need the pids dir so just create everything in one shot RUN mkdir -p $RAILS_ROOT/tmp/pids # Set our working directory inside the image WORKDIR $RAILS_ROOT # Use the Gemfiles as Docker cache markers. Always bundle before copying app src. # (the src likely changed and we don't want to invalidate Docker's cache too early) # http://ilikestuffblog.com/2014/01/06/how-to-skip-bundle-install-when-deploying-a-rails-app-to-docker/ COPY Gemfile Gemfile COPY Gemfile.lock Gemfile.lock COPY Gemfile_custom Gemfile_custom # Prevent bundler warnings; ensure that the bundler version executed is >= that which created Gemfile.lock RUN gem install bundler # Finish establishing our Ruby environment RUN bundle install --full-index # Install Chromium for E2E integration tests RUN apt-get update -qq && apt-get install -y chromium # Copy the Rails application into place COPY . . # Define the script we want run once the container boots # Use the "exec" form of CMD so our script shuts down gracefully on SIGTERM (i.e. `docker stop`) # CMD [ "config/containers/app_cmd.sh" ] CMD ["bundle", "exec", "rails", "server", "-b", "0.0.0.0"]