diff --git a/Dockerfile b/Dockerfile
index 5d1ea3d..10150b5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,4 +2,8 @@ FROM ruby:onbuild
 MAINTAINER Adrian Perez <adrian@adrianperez.org>
 VOLUME /usr/src/app/source
 EXPOSE 4567
+
+RUN apt-get update && apt-get install -y nodejs \
+&& apt-get clean && rm -rf /var/lib/apt/lists/*
+
 CMD ["bundle", "exec", "middleman", "server", "--force-polling"]