Tag
All Nuvika Blog posts tagged “Engineering”.
Engineering
When bcrypt 4.0 removed __about__.__version__, passlib's CryptContext started failing our password hashing at runtime. Why we deleted the abstraction and called bcrypt directly.
Engineering
Heavy module-level SDK imports (boto3, numpy, azure, google.cloud) blew past Cloud Run's 60-second cold-start budget and got our Celery worker SIGTERM'd. The lazy-import fix — and the test patches it broke.
Engineering
A test suite that passed, then failed, then passed — because OneDrive kept syncing node_modules mid-import. How to tell environmental flakes from real bugs, and the vitest flags that fixed it.
Engineering
A stray .title() call turned core_sla into "Core Sla" and quietly 400'd our highest-margin upgrade. Why identifiers and display strings are different species — and stay lowercase end-to-end.
Engineering
Two bugs, one villain — assuming order and shape don't matter. FastAPI matching /rules/{id} before /rules/available, and a frontend helper that already unwrapped the response envelope.
Engineering
One line — sys.modules['boto3'] = MagicMock() — at module level poisoned 3,000 tests across the whole pytest session. Why order-dependent failures are haunted, not flaky.
Engineering
Azure's Support API won't let you file any ticket — including an SLA refund claim — without a paid support plan. Why some "bugs" are policies, and how to detect the entitlement gate early.
Engineering
A query that worked on PostgreSQL detonated on SQLite with 'str' object has no attribute 'hex'. Why the strict test database did us a favor, and converting types at the boundary.
Engineering
A GitHub Actions step gated on secrets.X != '' silently never ran — the secrets context isn't reliably visible in a step-level if:. Launder it through a job-level env flag instead.