MEAN stack programming with heroku

Node programming referring to https://www.heroku.com/home .

git clone git@github.com: heroku/node-hello.git sushi-inc
cd sushi-inc
heroku create
view raw 1 hosted with ❤ by GitHub

Partial modification of package.json
git add package.json
git push heroku master
view raw 2 hosted with ❤ by GitHub

If you check the url created at heroku create, the web is created!




Next, try this one using mongo-db.
  • Using mlab, it is necessary to have a credit card registration on heroku. So refering this https://www.webprofessional.jp/building-facebook-chat-bot-node-heroku/ (in the middle of "How to set the database from mLab's site" or https://www.youtube.com/watch?v=cBfcbb07Tqk ), I linked Heroku to mlab.com.
  • Process.env.mongodb_uri appears in server.js, but this mongodb_uri seems to be already defined as an environment variable of heroku, so I registered this uri created by mlab to heroku.com.
  •  Drop the above sample application https://github.com/chrisckchang/mean-contactlist-angular2 (https://devcenter.heroku.com/articles/mean-apps-restful-api ) locally with git clone.
  • Remove the app.json because the above app assumes the mlab add-on. (App.json seems to be necessary when using heroku button) (2019.3.3 appending)
    There is no problem even if app.json remains.
  • Create an application with "heroku create".
  • After selecting the application created above on heroku.com, select "settings", "Reveal Config Vars", set the config Vars (environment variable) to MONGODB_URI and the value to mongodb: // ×× created in the sandbox at mlab.com.
    $heroku config: add environment variable = "XXX"
    is also ok.
    http://blog.ruedap.com/2011/05/03/ruby-heroku-web-app-development-tips-5
  • Upload the application to heroku with $git push heroku master.
  • Completed when accessing url





After actually entering the data, if you look at the sandbox at mlab.com, the data you just entered is saved in json format.

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