Insights

Notes from production.

Written by the people who were on the call. Mostly about the unglamorous decisions that determine whether a launch is boring.

From the people who shipped it

Written by the engineers who were on the call, not by a content team.

Infrastructure14 Jul 20268 min

Zero-downtime migrations are a rehearsal problem

The cutover is the least interesting part. What determines whether anyone notices is how many times you ran it against production-shaped data first.

Security2 Jun 20266 min

A review is a person saying no once. A gate is the pipeline saying no every time, at three in the morning, without being asked.

SaaS21 Apr 20269 min

Metering, isolation and billing are cheap to design and expensive to add. Here is the bill, itemised, from three platforms that waited.

Engineering8 Mar 20265 min

Innovation tokens are finite. Spending them on your database is how you end up unable to spend them on your product.

The posts are the general case. Your architecture is the specific one.