vercel-storage

npm install @vercel/blob

import { put, del, list, get } from '@vercel/blob'

// Upload from server (public)
const blob = await put('images/photo.jpg', file, {
  access: 'public',
})
// blob.url → public URL

// Upload private file
const privateBlob = await put('docs/secret.pdf', file, {
  access: 'private',
})
// Read a private file by pathname
const privateFile = await get('docs/secret.pdf', { access: 'private' })
if (privateFile?.statusCode === 200) {
  // privateFile.stream contains the body; privateFile.blob contains metadata
}

// Client upload (up to 5 TB)
import { upload } from '@vercel/blob/client'
const blob = await upload('video.mp4', file, {
  access: 'public',
  handleUploadUrl: '/api/upload', // Your token endpoint
})

// List blobs
const { blobs } = await list()

// Conditional get with ETags
const response = await get('images/photo.jpg', {
  access: 'public', // `access` is required and must match the store
  ifNoneMatch: previousETag,
})
if (response?.statusCode === 304) {
  // Not modified, use cached version
}

// Delete
await del('images/photo.jpg')

npm install @vercel/global-config

import { get, getAll, has } from '@vercel/global-config'

// Read a single value (< 1ms at the edge)
const isFeatureEnabled = await get('feature-new-ui')

// Read multiple values
const config = await getAll(['feature-new-ui', 'ab-test-variant', 'redirect-rules'])

// Check existence
const exists = await has('maintenance-mode')

npm install @neondatabase/serverless

// Direct Neon usage
import { neon } from '@neondatabase/serverless'

const sql = neon(process.env.DATABASE_URL!)
const users = await sql`SELECT * FROM users WHERE id = ${userId}`

// With Drizzle ORM
import { drizzle } from 'drizzle-orm/neon-http'
import { neon } from '@neondatabase/serverless'

const sql = neon(process.env.DATABASE_URL!)
const db = drizzle(sql)

// src/db/index.ts — lazy initialization (safe for build time)
import { neon } from '@neondatabase/serverless'
import { drizzle } from 'drizzle-orm/neon-http'
import * as schema from './schema'

function createDb() {
  const sql = neon(process.env.DATABASE_URL!)
  return drizzle(sql, { schema })
}

let _db: ReturnType<typeof createDb> | null = null

export function getDb() {
  if (!_db) _db = createDb()
  return _db
}

# Option 1: Source env vars before running
source <(grep -v '^#' .env.local | sed 's/^/export /') && npx drizzle-kit push

# Option 2: Use dotenv-cli (recommended for scripts)
npm install -D dotenv-cli
npx dotenv -e .env.local -- npx drizzle-kit push
npx dotenv -e .env.local -- npx tsx scripts/seed.ts

npm install @upstash/redis

import { Redis } from '@upstash/redis'

const redis = Redis.fromEnv() // Uses UPSTASH_REDIS_REST_URL & TOKEN

// Basic operations
await redis.set('session:abc', { userId: '123' }, { ex: 3600 })
const session = await redis.get('session:abc')

// Rate limiting
import { Ratelimit } from '@upstash/ratelimit'
const ratelimit = new Ratelimit({
  redis,
  limiter: Ratelimit.slidingWindow(10, '10s'),
})
const { success } = await ratelimit.limit('user:123')

npm install @supabase/supabase-js @supabase/ssr

import { createClient } from '@supabase/supabase-js'

const supabase = createClient(
  process.env.NEXT_PUBLIC_SUPABASE_URL!,
  process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!
)

const { data, error } = await supabase.from('users').select('*')

npm install prisma @prisma/client
npx prisma init

import { PrismaClient } from '@prisma/client'

const prisma = new PrismaClient()
const users = await prisma.user.findMany()

npm install mongodb

import { MongoClient } from 'mongodb'

const client = new MongoClient(process.env.MONGODB_URI!)
const db = client.db('myapp')
const users = await db.collection('users').find({}).toArray()

npm install convex
npx convex dev

import { query } from './_generated/server'
import { v } from 'convex/values'

export const getUsers = query({
  args: {},
  handler: async (ctx) => {
    return await ctx.db.query('users').collect()
  },
})

npm install @libsql/client

import { createClient } from '@libsql/client'

const turso = createClient({
  url: process.env.TURSO_DATABASE_URL!,
  authToken: process.env.TURSO_AUTH_TOKEN!,
})

const result = await turso.execute('SELECT * FROM users')

- import { sql } from '@vercel/postgres'
+ import { neon } from '@neondatabase/serverless'
+ const sql = neon(process.env.DATABASE_URL!)

- import { kv } from '@vercel/kv'
- await kv.set('key', 'value')
- const value = await kv.get('key')
+ import { Redis } from '@upstash/redis'
+ const redis = Redis.fromEnv()
+ await redis.set('key', 'value')
+ const value = await redis.get('key')