added Dockerfile and docker-compose.yml

Dockerfile

@@ -0,0 +1,37 @@
+# # 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"]