old_contents: module.exports = {
      TOKEN_SECRET: 'JWT Token Secret',
      //MONGO_URI:'mongodb://kevin:opensesm@ds021299.mlab.com:21299/lv-dev-ops'
      MONGO_URI:'mongodb://localhost:27017/lv-dev'
  };
new_contents: module.exports = {
      TOKEN_SECRET: 'JWT Token Secret',
      MONGO_URI:'mongodb://kevin:opensesm@ds021299.mlab.com:21299/lv-dev-ops'
      //MONGO_URI:'mongodb://localhost:27017/lv-dev'
  };
  
subject: Update config.js