Hosting

Question 1

create a namespace in Heroku

Answer 1

heroku create «app name»

Question 2

deploy to Heroku

Answer 2

» setup env variables in heroku
» setup port variable in code: process.env.PORT
» setup npm run start script
»» heroku create «app name»
»» git push heroku master

Question 3

set environment variable in Heroku

Answer 3

heroku config:set «key»=«value»

Question 4

delete environment variable in Heroku

Answer 4

heroku config:unset «key»

Question 5

view environment variables in Heroku

Answer 5

heroku config

Question 6

setup babel for N app in Heroku

Answer 6

// import polyfills and runtime globally
» index.js:
import "core-js/stable"
import "regenerator-runtime/runtime"

// setup postbuild script for Heroku
» package.json > scripts:
"heroku-postbuild": "babel «src dir» --out-dir «dest dir» --copy-files"

Question 7

setup manifest.json for arangodb foxx service in aran

Answer 7

» manifest.json: {
  "engines": {
    "arangodb": "^«version»"
  },
  "main": "«entry point»"
}

Question 8

what are the caveats of arangodb foxx services?

Answer 8

» no async, await, and promises

» no import statement