fix travis-ci lint error

prasmalla · prasmalla · commit 3e6cb288910f · 2019-11-02T12:09:06.000-04:00
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,4 @@
 FROM node:10.16.2
-WORKDIR /usr/src/app 
+WORKDIR /usr/src/app
 COPY package*.json ./
 RUN npm i
