npm install @payloadcms/db-d1-sqlite

import { sqliteD1Adapter } from '@payloadcms/db-d1-sqlite'

export default buildConfig({
  // Your config goes here
  collections: [
    // Collections go here
  ],
  // Configure the D1 adapter here
  db: sqliteD1Adapter({
    // D1-specific arguments go here.
    // `binding` is required and should match the D1 database binding name in your Cloudflare Worker environment.
    binding: cloudflare.env.D1,
  }),
})