FROM ruby:2.7.6-buster ENV DEBIAN_FRONTEND noninteractive # Install essential Linux packages RUN apt-get update -qq \ && apt-get install -y \ build-essential \ cmake \ imagemagick \ libappindicator1 \ libindicator7 \ libpq-dev \ libxss1 \ memcached \ nodejs \ pkg-config \ postgresql-client \ shared-mime-info \ sudo \ unzip # Install Chromium for E2E integration tests RUN apt-get update -qq && apt-get install -y chromium # 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 # 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) COPY Gemfile* ./ RUN bundle install # Copy the Rails application into place COPY . . ENTRYPOINT ["./docker-entrypoint.sh"] # 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"]