Field notes, in progress.

Scattered notes from the Shopify Plus trenches — Checkout Extensions, Functions, Laravel middleware, and the small operational patterns that actually hold up in production.

— Latest

22 Mar, 2026 · 8 min

Shopify Functions are the new Scripts — here's what broke and what didn't

Notes from migrating a $25M Plus store off the legacy discount Script Editor onto Shopify Functions — where the abstractions earn their keep and where they leak.

shopifyfunctionscheckoutmigration

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— Archive

2026

14 FebCheckout Extensions in production: the parts nobody tells you aboutReal-world notes from running Checkout UI Extensions at scale — state boundaries, the target ladder, and the deploy pipeline I wish I'd built sooner.11 min →

8 JanLaravel as Shopify middleware: the pattern that survived three rewritesWhy I keep reaching for Laravel when wiring Shopify to third-party logistics — a quick tour of the queue, contract, and idempotency shape that hasn't let me down yet.9 min →

2025

2 DecShipping rules without regret: type-safe pricing logic the team can ownA field guide to expressing shipping logic as data, not code — state-based fees, composite products, and the small ergonomics that make non-engineers comfortable with it.7 min →

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