Apt-get update échoue dans le conteneur, le dépôt yarn n'est pas signé

[JammyDodger]

Pour information, je pense que babble est cassé depuis un certain temps :

Babble Chat

Please note that this plugin is no longer maintained and will likely cause problems in its current state: Babble is an simple, lightweight chat plugin for Discourse. It re-skins the existing topic view into a sidebar, allowing for quick conversations in your forum. Note the tag above - Babble has been tagged a “broken-plugin.” [48%20AM] Check out the demo site to see it in action, or view (and contribute to!) the code on Github. If you’d like to help translate Babble to your lan…