# # Select ubuntu as the base image FROM coreapps/ruby2.3 # Install essential Linux packages RUN apt-get update -qq && apt-get install -y build-essential libpq-dev postgresql-client nodejs # 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 # Prevent bundler warnings; ensure that the bundler version executed is >= that which created Gemfile.lock RUN gem install bundler # Finish establishing our Ruby enviornment RUN bundle install --full-index # 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"]