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    MongoDB Adapter - NextAuth.js

    Open Source. Full Stack. Own Your Data.

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    This is the MongoDB Adapter for next-auth. This package can only be used in conjunction with the primary next-auth package. It is not a standalone package.

    Getting Started

    1. Install mongodb, next-auth and @next-auth/mongodb-adapter
    npm install mongodb next-auth @next-auth/mongodb-adapter@next
    1. Add lib/mongodb.js
    // This approach is taken from
    import { MongoClient } from "mongodb"
    const uri = process.env.MONGODB_URI
    const options = {
      useUnifiedTopology: true,
      useNewUrlParser: true,
    let client
    let clientPromise
    if (!process.env.MONGODB_URI) {
      throw new Error("Please add your Mongo URI to .env.local")
    if (process.env.NODE_ENV === "development") {
      // In development mode, use a global variable so that the value
      // is preserved across module reloads caused by HMR (Hot Module Replacement).
      if (!global._mongoClientPromise) {
        client = new MongoClient(uri, options)
        global._mongoClientPromise = client.connect()
      clientPromise = global._mongoClientPromise
    } else {
      // In production mode, it's best to not use a global variable.
      client = new MongoClient(uri, options)
      clientPromise = client.connect()
    // Export a module-scoped MongoClient promise. By doing this in a
    // separate module, the client can be shared across functions.
    export default clientPromise
    1. Add this adapter to your pages/api/[...nextauth].js next-auth configuration object.
    import NextAuth from "next-auth"
    import { MongoDBAdapter } from "@next-auth/mongodb-adapter"
    import clientPromise from "lib/mongodb"
    // For more information on each option (and a full list of options) go to
    export default NextAuth({
      adapter: MongoDBAdapter(clientPromise, {
        databaseName: 'my-data-base-name'


    We're open to all community contributions! If you'd like to contribute in any way, please read our Contributing Guide.




    npm i @next-auth/mongodb-adapter

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