mongo

show dbs use show collections

const port = process.env.PORT || 3000;
mongoose.connect(process.env.MONGO_URI+'/TodoApp' || 'mongodb://localhost:27017/TodoApp');

  "scripts": {
    "start": "node server/server.js",
  },
 "engines": {
    "node": "8.9.1"
  }

$ git init
$ git remote add origin https://github.com/user/repo.git
$ git remote -v
$ git push -u origin master

$ heroku create
$ git remote -v
$ git push heroku master

$ heroku addons:create mongolab:sandbox -a mon-app-12345 $ heroku config -a mon-app-12345

$ git remote add heroku https://git.heroku.com/mon-app-12345.git $ git push heroku master

heroku config heroku config:set JWT_SECRET=****** heroku config:get JWT_SECRET heroku config:unset JWT_SECRET