app.js
process.env.PORT || 3000
package.json
"engines": {
"node": "9.11.1",
"npm": "5.6.0"
}
Procfile
web: node app.js
heroku login
# ssh-keygen -t rsa -C "xxxxx@gmail.com"
# heroku keys:add ~/.ssh/id_rsa_heroku.pub
heroku create app-sample
git remote add heroku git@github.com:high-u/heroku-node-deploy-training.git
git push heroku master
heroku open