操作指南

Avoid N+1 queries with select_related

Filter a queryset at runtime

Build a slug detail view with get_object_or_404

Access the current tenant in a handler

Run work off-request with a background job

Cache an expensive query

Store uploads on S3-compatible storage

Add a custom admin bulk action

Send a passwordless magic-link login

Move from SQLite to Postgres

Soft-delete and restore rows

Schedule a periodic task