add dockerfile

Author: rlister

Dockerfile

@@ -0,0 +1,23 @@
+FROM rlister/ruby:2.1.7
+MAINTAINER Ric Lister <[email protected]>
+
+RUN apt-get update && apt-get install -y \
+    build-essential zlib1g-dev libreadline6-dev libyaml-dev libssl-dev \
+    git
+
+RUN gem install bundler --no-rdoc --no-ri
+
+## help docker cache bundle
+WORKDIR /tmp
+ADD ./Gemfile /tmp/
+ADD ./Gemfile.lock /tmp/
+RUN bundle install
+RUN rm -f /tmp/Gemfile /tmp/Gemfile.lock
+
+WORKDIR /app
+ADD ./ /app
+
+EXPOSE 5000
+
+ENTRYPOINT [ "bundle", "exec" ]
+CMD [ "foreman", "start" ]