events

The moment you split ‘write to DB’ and ‘publish to a queue’ into two independent operations, you create a place to lose data. Publish first and a DB failure means consumers act on something that never happened. Write first and a publish failure means

Signals allow different parts of the application to respond to model events without tight coupling. I use post_save for actions after an object is created or updated, like sending notifications or updating related records. The @receiver decorator is c