run.sh

# file run.sh
#!/bin/bash

if [ "$DEPLOY_ENV" == "development" ]; then

   # refresh npm modules

   mkdir -p /tmp/packages
   cp /app/package.json /tmp/packages/
   cp /app/npm-shrinkwrap.json /tmp/packages/

   cd /tmp/packages
   npm install

   cd /app

   rm -rf ./node_modules
   cp -R /tmp/packages/node_modules ./node_modules

   # run server

    NODE_PATH=./modules npm run watch
else
    NODE_PATH=./modules npm start
fi