Production-tested patterns extracted from running FitForge and building Forge Stack. No tutorials. No theory. Just the code that actually works.
Next.js + Supabase
Server-side sessions with Supabase auth in Next.js App Router break in 4 specific ways. Here's every one, with the working code.
July 15, 2026 · 8 min read
Webhooks
The 4 mistakes everyone makes with HMAC webhook signature verification. Includes a working template for Stripe, Lemon Squeezy, GitHub, Resend.
July 15, 2026 · 6 min read
Edge runtime
Edge OG images in Next.js App Router. Three gotchas that break "simple" Open Graph image generation, with working code for each fix.
July 15, 2026 · 7 min read