Update Dockerfile

Author: Gunasekar-K

docker/Dockerfile

@@ -8,6 +8,8 @@ COPY . /topcoder-x-ui
 WORKDIR /topcoder-x-ui
 
 # Install the dependencies from package.json
+RUN npm config set unsafe-perm true
+RUN git config --global url."https://git@".insteadOf git://
 RUN npm install
 RUN npm run build
 #RUN npm test