"Yule Log" is the codename for the packaged-app version of the hosted Firefox Markeplace.
We store the packaged app `.zip` somewhere on the CDN (likely using `NETAPP_STORAGE`, like we do for `ADDONS_PATH`).
Create a view for /minifest.webapp à la /manifest.webapp: https://github.com/mozilla/zamboni/blob/master/mkt/site/views.py#L68
Here's Rob's code for generating packaged-app mini manifests (minifiests):
Based on `get_carrier()` (our middleware takes ?carrier=<carrier> and sets this using `set_carrier()`), it should return the appropriate `package_path` for the packaged app: `<carrier>.zip`
.zip coming in a bit