Why Keep a Product Development Log?

A working log for product decisions, implementation notes, operating principles, and the context behind small software products.

The thing that disappears fastest while building a product is not code. It is context. Why a library was chosen, why a server was avoided, why a feature was postponed, and why a URL structure was shaped a certain way can feel obvious in the moment and vague a few days later.

This space exists to keep that context visible. It is not trying to become a large technical publication. It is closer to a working log from someone building small products in public. Still, the writing should not be casual in quality. A useful note should leave behind criteria, not only a result.

Good notes preserve judgment

Engineering posts become thin when they only name tools and outcomes. “We chose Astro” is not enough. The useful version answers questions like these:

Those questions are the unit of writing here. The goal is not to publish perfect conclusions. The goal is to make decisions inspectable.

Small products are shaped by operating cost

Early products often struggle less with features and more with maintenance. Adding a server creates flexibility, but it also creates deployment, runtime, security, logging, and cost responsibilities. A static site has constraints, but it is extremely good at serving readable pages with a small operational surface.

The first public surface of 2dayapp is a written log. It does not need accounts, private data, or realtime behavior. So the first version follows a simple set of rules:

This is not minimalism for its own sake. It is a way to lower the survival cost of the product.

What belongs here

The writing will collect three kinds of notes.

First, product decisions. The reasons for not building a feature are often as important as the reasons for building one.

Second, implementation notes. Topics such as Astro, GitHub Pages, content collections, internationalized routing, and structured data matter because they affect how the site is maintained and discovered.

Third, operating retrospectives. After deployment, the important questions become slower and more practical: how search visibility changes, whether the writing structure holds up, and which maintenance costs appear over time.

Reference points

When possible, these posts will use official documentation and public standards as reference points. Search visibility starts with Google Search Central, static hosting and custom domains are checked against GitHub Pages documentation, and the content model follows Astro Content Collections.

If the record works, it becomes more than a publishing surface. It becomes an early product document: a record of which decisions made the product easier to maintain, and which ones should be changed later.

The writing workflow is described in Managing posts with Markdown. The deployment and SEO trade-offs are covered in Does GitHub Pages hurt blog SEO?.