Backend

Fetching a list and then a related record for each item individually turns one reasonable query into hundreds, and an…

Establishing a database connection is expensive, and opening a fresh one for every request adds that cost to every single…

Adding a cache is straightforward; the hard part is deciding when cached data is stale and removing it, and most…

The limits you set on an API communicate what you expect from your clients, and getting them wrong either lets…

A connection leak does not crash anything immediately. It slowly consumes the pool until an unrelated feature starts timing out…