diff --git a/Dockerfile b/Dockerfile
index 5ad0ad370..a8494c361 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -94,6 +94,10 @@ ADD static/js/directives/components static/dist/components
 RUN npm install -g webpack
 RUN webpack
 
+# Run front-end tests
+ADD karma.conf.js karma.conf.js
+RUN npm test
+
 # Install Grunt
 RUN npm install -g grunt-cli
 
@@ -104,9 +108,6 @@ RUN cd grunt && npm install
 # Run grunt
 RUN cd grunt && grunt
 
-# Run front-end tests
-RUN npm test
-
 # Optimize our images
 ADD static/img static/img
 RUN jpegoptim static/img/**/*.jpg