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Indiehackers

6 posts

Prompts as Code: How to Version, Test, and Ship the Prompt Layer in 2026

Most production AI features are still glueing prompts together with string concatenation in some random Node service. The prompt is the new SQL query and we are all writing it like it is 2003. Here is what treating the prompt layer like real source code looks like in 2026, the workflow that actually catches regressions before users do, and the part that surprised me most when I made the switch.

The Freelance Profit Leak: Why Solo Developers Lose Money Even When They Are Booked Solid

Most freelance developers I know are busy. Most of them also have no idea which clients are actually profitable. The gap between "billable hours on the invoice" and "hours the project actually ate" is where six-figure freelance careers quietly turn into $25-an-hour grinds. Here is the profit leak nobody warns you about, the math you should be running every Friday, and the workflow that closed mine.

Vercel BotID In 2026: How The Invisible CAPTCHA Actually Works, And Where It Earns Its Place In My Stack

Vercel BotID went GA in mid-2025 and quietly replaced the visible CAPTCHA on a lot of indie SaaS sites in 2026. The promise is real: invisible bot detection that catches headless Playwright sessions without making your real users squint at fire hydrants. The price is real too. Here is what BotID actually does under the hood, the Basic versus Deep Analysis tradeoff, the route patterns I protect with it, and the day a single AI scraper convinced me to wire it in front of an endpoint I thought was already safe.

Background Jobs For Indie Developers in 2026: When You Need A Queue, When You Do Not, And What I Actually Use

Every job queue tutorial is written for companies running ten thousand jobs a second. As a solo developer you do not need Sidekiq Pro and a Kubernetes cluster to send a welcome email. Here is the actual background job setup that earns its place for indie projects in 2026, and the day a Stripe webhook taught me why setTimeout was never going to be enough.

Rate Limiting Your SaaS API in 2026: The AI Scraper Problem, Token Buckets, and the Layered Defense That Actually Works

A single AI agent scraped one of my endpoints twenty-three thousand times in a night and turned a $40 OpenAI budget into a $312 invoice before I woke up. Most rate limiting tutorials are written for traffic that pretends to be polite. Here is what actually defending a SaaS API looks like in 2026, with the AI bot wave already through the door.

Feature Flags For Solo Developers in 2026: When You Need Them, When You Do Not, And What I Actually Use

Every feature flag tool is pitched at companies with a hundred engineers. As a solo developer you do not need a $200 a month LaunchDarkly seat to ship safely. Here is the actual feature flag setup that earns its place for small teams and indie projects in 2026, and the moment you finally outgrow a config file.