diff --git a/Dockerfile b/Dockerfile
index 1c72c26..5ed81fd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,4 +17,4 @@ RUN bundle install
 EXPOSE 4567
 
 # Send it
-CMD ["bundle", "exec", "mywillpower.rb"]
+CMD ["bundle", "exec", "puma", "-p", "4567", "-e", "production"]