feat: adds new Cloudflare D1 SQLite adapter, R2 storage adapter and Cloudflare template (#12537)

This feat adds support for
- [D1 Cloudflare SQLite](https://developers.cloudflare.com/d1/)
- R2 storage directly (previously it was via S3 SDK)
- Cloudflare 1-click deploy template

---------

Co-authored-by: Paul Popus <paul@payloadcms.com>

test/generateDatabaseAdapter.ts

@@ -113,6 +113,11 @@ export const allDatabaseAdapters = {
         process.env.POSTGRES_URL || 'postgresql://postgres:postgres@127.0.0.1:54322/postgres',
     },
   })`,
+  d1: `
+import { sqliteD1Adapter } from '@payloadcms/db-d1-sqlite'
+
+export const databaseAdapter = sqliteD1Adapter({ binding: global.d1 })
+  `,
 }
 
 /**

test/helpers/startMemoryDB.ts

@@ -1,3 +1,5 @@
+import { D1DatabaseAPI } from '@miniflare/d1'
+import { createSQLiteDB } from '@miniflare/shared'
 import dotenv from 'dotenv'
 import { MongoMemoryReplSet } from 'mongodb-memory-server'
 dotenv.config()
@@ -22,6 +24,11 @@ export default async () => {
   process.env.NODE_OPTIONS = '--no-deprecation'
   process.env.DISABLE_PAYLOAD_HMR = 'true'
 
+  if (process.env.PAYLOAD_DATABASE === 'd1' && !global.d1) {
+    process.env.PAYLOAD_DROP_DATABASE = 'false'
+    console.log('Starting memory D1 db...')
+    global.d1 = new D1DatabaseAPI(await createSQLiteDB(':memory'))
+  }
   if (
     (!process.env.PAYLOAD_DATABASE ||
       ['firestore', 'mongodb'].includes(process.env.PAYLOAD_DATABASE)) &&

test/jest.setup.js

@@ -10,6 +10,7 @@ import nodemailer from 'nodemailer'
 import { generateDatabaseAdapter } from './generateDatabaseAdapter.js'
 
 process.env.PAYLOAD_DISABLE_ADMIN = 'true'
+
 process.env.PAYLOAD_DROP_DATABASE = 'true'
 
 process.env.PAYLOAD_PUBLIC_CLOUD_STORAGE_ADAPTER = 's3'

test/package.json

@@ -25,8 +25,11 @@
     "@aws-sdk/client-s3": "^3.614.0",
     "@azure/storage-blob": "^12.11.0",
     "@date-fns/tz": "1.2.0",
+    "@miniflare/d1": "2.14.4",
+    "@miniflare/shared": "2.14.4",
     "@next/env": "15.4.4",
     "@payloadcms/admin-bar": "workspace:*",
+    "@payloadcms/db-d1-sqlite": "workspace:*",
     "@payloadcms/db-mongodb": "workspace:*",
     "@payloadcms/db-postgres": "workspace:*",
     "@payloadcms/db-sqlite": "workspace:*",
@@ -66,6 +69,7 @@
     "@types/react": "19.1.12",
     "@types/react-dom": "19.1.9",
     "babel-plugin-react-compiler": "19.1.0-rc.3",
+    "better-sqlite3": "11.10.0",
     "comment-json": "^4.2.3",
     "create-payload-app": "workspace:*",
     "csv-parse": "^5.6.0",

test/setupProd.ts

@@ -12,6 +12,7 @@ export const tgzToPkgNameMap = {
   '@payloadcms/db-postgres': 'payloadcms-db-postgres-*',
   '@payloadcms/db-vercel-postgres': 'payloadcms-db-vercel-postgres-*',
   '@payloadcms/db-sqlite': 'payloadcms-db-sqlite-*',
+  '@payloadcms/db-d1-sqlite': 'payloadcms-db-d1-sqlite-*',
   '@payloadcms/drizzle': 'payloadcms-drizzle-*',
   '@payloadcms/email-nodemailer': 'payloadcms-email-nodemailer-*',
   '@payloadcms/email-resend': 'payloadcms-email-resend-*',