Engineering
DRF Serializers Done Right: Validation, Nested Writes and Speed
Field options, the three layers of validation, writable nested serializers, and how to keep list responses fast.
Engineering
Backend, APIs and databases.
5 posts in this category
-
-
Engineering
Authentication, Permissions and JWT in Django REST Framework
Authentication, permissions and throttling are three separate layers in DRF. How to set up each one, with JWT and object-level permissions.
-
Engineering
Pagination, Filtering and Search in Django REST Framework
Choosing between page number, limit/offset and cursor pagination, and adding filters, search and ordering without slowing the database down.
-
Engineering
Fix N+1 Queries in Django with select_related and prefetch_related
Why a list endpoint that is fast with 10 rows crawls with 1,000, and the ORM tools that fix it for good.
-
Engineering
Testing Django REST Framework APIs with pytest
A practical pytest setup for DRF: fixtures, factories, permission tests, query counts and a CI job that runs against PostgreSQL.