Infrastructure

Learn four things to consider when building APIs related to HTTP status codes. And when consuming APIs, don’t do what I did. Read the documentation, understand how the API is designed, and code defensively around unexpected results.

Lessons from my longest production crisis

A new demand for storing an old data type in PostgreSQL.

Designing a system to be either stateful or stateless is an important choice with tradeoffs regarding its performance and scalability. In a stateful system, data from one session is carried over to the next. A stateless system doesn’t preserve data between sessions and depends on external entities such as databases or cache to manage state. […]