Versioning Static Assets w/ Heroku Config Vars

heroku-config.txt

heroku config:add JS_VERSION=1 CSS_VERSION=1 --app=YOUR_APPLICATION_NAME

settings.py

TEMPLATE_CONTEXT_PROCESSORS = (
	'path.to.static_processor',
	...
)

template.html

<link rel="stylesheet" type="text/css" href="/path/to/stylesheet.css?v={{ static_versions.css }}">
<script type="text/javascript" src="/path/to/logic.js?v={{ static_versions.js }}"></script>

template_context_processor.py

import os

def static_processor(request):
	versions = {
		'js': os.environ.get('JS_VERSION'),
		'css': os.environ.get('CSS_VERSION'),
	}

	return { 'static_versions': versions }