diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index daa318a..b04fc95 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,3 +1,9 @@
 # Contributing to Slate
 
-Thanks for contributing to Slate! Please point your pull requests at the `dev` branch, and keep your commit messages clear and informative. Also, please make sure your contributions work in the most recent version of Chrome, Firefox, and IE. Thanks!
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+Thanks for contributing to Slate! A couple of quick guidelines for submitting PRs:
+
+- Please point your pull requests at the `dev` branch, and keep your commit messages clear and informative.
+- Please make sure your contributions work in the most recent version of Chrome, Firefox, and IE.
+- If you're implementing a new feature, even if it's relatively small, it's nice to open an issue before you start so that others know what you're working on and can help make sure you're on the right track.
+
+Thanks again! Happy coding.
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diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..2908508
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,12 @@
+FROM ubuntu:trusty
+
+RUN apt-get update
+RUN apt-get install -yq ruby ruby-dev build-essential
+RUN gem install --no-ri --no-rdoc bundler
+ADD Gemfile /app/Gemfile
+ADD Gemfile.lock /app/Gemfile.lock
+RUN cd /app; bundle install
+ADD . /app
+EXPOSE 4567
+WORKDIR /app
+CMD ["bundle", "exec", "middleman", "server"]
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diff --git a/README.md b/README.md
index d7d78f2..6e26310 100644
--- a/README.md
+++ b/README.md
@@ -58,7 +58,6 @@ Examples of Slate in the Wild
 * [Travis-CI's API docs](http://docs.travis-ci.com/api/)
 * [Mozilla's localForage docs](http://mozilla.github.io/localForage/)
 * [Mozilla Recroom](http://mozilla.github.io/recroom/)
-* [Orchestrate.io API docs](https://docs.orchestrate.io/)
 * [ChaiOne Gameplan API docs](http://chaione.github.io/gameplanb2b/#introduction)
 * [Drcaban's Build a Quine tutorial](http://drcabana.github.io/build-a-quine/#introduction)
 * [PricePlow API docs](https://www.priceplow.com/api/documentation)