Heroku

Question 1

How to add SSH key to Heroku

Answer 1

In terminal:

heroku keys:add

Question 2

How to create a new Heroku app

Answer 2

In the terminal:

heroku create app-name

Question 3

What do we need to add to the package.json file in order for heroku to run our application

Answer 3

A script

“start”:”node src/app.js”

Question 4

How do we need to set the port for running a server on heroku?

Answer 4

const port = process.env.PORT || 3000

Question 5

Checks before deploying on heroku?

Answer 5

1. Start scirpt
2. Port values
3. Appi urls

Question 6

How to push to heroku?

Answer 6

git push heroku master

Question 7

Heroku setup workflow

Answer 7

1. download heroku to your machine
2. add ssh key: heroku ssh:add
3. create new app: heroku create app-name
4. Setup package.json for deployment
5. push to github: git push origin master
6. push to heroku: git push heroku master

Question 8

How to set environment variables on heroku?

Answer 8

heroku config:set VARIABLE_NAME=someValue

Question 9

How to delete an environment variable?

Answer 9

heroku config:unset VARIABLE_NAME

Question 10

How to see a list of environment variables?

Answer 10

heroku config