heroku scripts

1$ heroku config:set GITHUB_USERNAME=joesmith
2Adding config vars and restarting myapp... done, v12
3GITHUB_USERNAME: joesmith
4

1// When pushing to heroku and it finds a package.json file in the root folder,
2// the following npm scripts are gonna be executed:
3
4"scripts": {
5  "heroku-prebuild": "echo This runs before Heroku installs dependencies.",
6  "build": "echo This won't run when there's a heroku-postbuild script. Otherwise it runs instead.",
7  "heroku-postbuild": "echo This runs after Heroku installs dependencies, but before Heroku prunes and caches dependencies.",
8  "heroku-cleanup": "echo This runs after Heroku prunes and caches dependencies.",
9  "start": "echo You can specify you start script here."
10}