diff --git a/.travis.yml b/.travis.yml
index 40ef2f948..371ea5180 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,5 +13,7 @@ before_install:
   - docker run -d --network="container:$varA" mongo
   - docker build -t ethereumclassic/explorer .
   - docker run -d --network="container:$varA" ethereumclassic/explorer app.js
+before_script: npm install -g gulp
 script:
-- npm run test
+  - gulp build
+  - npm run test
diff --git a/Dockerfile b/Dockerfile
index 3d95fcafd..3d24e69be 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,9 @@ FROM node:latest
 
 COPY . /
 
+RUN npm install -g gulp-cli
 RUN npm i
+RUN gulp build
 
 EXPOSE 3000