Heroku

Category: /knowledge /django
Tags: django

Setup

Before doing anything, install Heroku toolbelt

Login in Heroku CLI

heroku login

Click “Create an app”, give it a unique name, e.g. teckoo-dev

git clone git@heroku.com:teckoo-dev.git -o heroku

Deploy to Heroku

git push heroku master
git push heroku yourbranch:master

To add PostgreSQL add-on

choose ‘White’ in Heroku Postgres (no monthly cost)

heroku addons:add heroku-postgresql

Django at Heroku

Getting started

workon wcec
pip install -r requirements.txt

settings.py

import dj_database_url
DATABASES = {'default':
dj_database_url.config(default='postgres://foo:bar@localhost:5432/db')}

or 

import dj_database_url
DATABASES['default'] = dj_database_url.config()

Use the Heroku CLI’s config, config:set, config:get and config:unset to manage your config vars:

heroku config:set GITHUB_USERNAME=joesmith

Cookbook

Add an external submodule

git submodule add https://github.com/myusername/FooBar lib/FooBar

run manage.py command

heroku run python manage.py syncdb

reset PostgreSQL database

heroku pg:reset DATABASE_URL

set environment variables

Use the Heroku CLI

  • heroku config --app $your_app_name ##list all env vars
  • heroku config:set DATABASE_URL=postgres://user_name:pwd@hostname:port/dbname
  • config:get DATABASE_URL
  • config:unset $your_env_var

collectstatic

heroku run python manage.py collectstatic --noinput

Resource

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