Heroku Notes
by John Vincent
Posted on April 4, 2017
Put in one place those pesky Heroku notes.
This stuff ends up sprayed everywhere, so let's create a reference document.
Heroku
Heroku is a platform-as-a-service PaaS
that allows you to deploy web applications to virtual machines known as dynos
.
Account
Sign up for an account.
Heroku CLI
see Heroku CLI
Install Heroku CLI
Download and run the OSX installer (heroku-osx.pkg)
Uninstall Heroku CLI
rm -rf /usr/local/heroku
rm -rf ~/.local/share/heroku ~/.config/heroku ~/.cache/heroku
Getting Started
See Getting Started
Log in:
heroku login
email:
password:
Clone sample application
git clone https://github.com/heroku/node-js-getting-started.git
cd node-js-getting-started
Deploy the App
Create an app
heroku create
Note can set the app name
heroku create jv-very-simple-heroku-node
Note the git repository and app URL, for example:
https://tranquil-island-77730.herokuapp.com/
https://git.heroku.com/tranquil-island-77730.git
Deploy the code
git push heroku master
After it's done, you make sure you have a dyno
running to serve the app:
heroku ps:scale web=1
Open the website with the URL above or:
heroku open
Dashboard
See Dashboard
- Select app
- More, View Logs
Heroku Commands
Run current Heroku app
heroku open
List apps:
heroku apps
Delete app:
heroku apps:destroy --app jv-very-simple-heroku-node --confirm jv-very-simple-heroku-node
View the logs:
heroku logs
Set environment variables:
heroku config:set VAR_NAME=value
Manage dynos:
heroku ps
Heroku bash
Cloned instance, all changes to file system will be dropped
heroku run bash
ls
ps
Now have access to the shell.
Heroku Error
If get application error accessing the application in a browser
heroku logs --tail
Other
package.json
nodemon server.js
fails at Heroku. Use node server.js