T3 App on Cloudflare Workers + D1

This repo is a T3 Stack app (tRPC + Drizzle + Tailwind) configured for Cloudflare Workers using OpenNext and D1.

Quickstart with Cloudflare C3 CLI

pnpm create cloudflare@latest --template=exectx/t3-cloudflare

Requirements

• pnpm
• wrangler (Cloudflare CLI)

Setup

1. Install dependencies:

pnpm install

1. Create a D1 database and update wrangler.jsonc with the database_id:

pnpm wrangler d1 create <DATABASE_NAME>

1. (Optional) Configure Cloudflare env vars for remote Drizzle commands:

cp .dev.vars.example .dev.vars

Local development

pnpm dev

Migrations

Local D1 (Drizzle Kit):

pnpm db:generate
pnpm db:migrate

Remote D1 (Drizzle Kit, requires .dev.vars):

pnpm db:generate
pnpm db:migrate:prod

Build, preview, deploy

pnpm build
pnpm preview
pnpm deploy

D1 Binding

The Worker expects a D1 binding named DB.