MongoDB

To use Payload with MongoDB, install the package @payloadcms/db-mongodb. It will come with everything you need to store your Payload data in MongoDB.

Then from there, pass it to your Payload Config as follows:

1import { mongooseAdapter } from '@payloadcms/db-mongodb'
2
3export default buildConfig({
// Your config goes here
collections: [
  // Collections go here
],
// Configure the Mongoose adapter here
db: mongooseAdapter({
  // Mongoose-specific arguments go here.
  // URL is required.
  url: process.env.DATABASE_URI,
}),
14})

Options

Option	Description
`autoPluralization`	Tell Mongoose to auto-pluralize any collection names if it encounters any singular words used as collection `slug`s.
`connectOptions`	Customize MongoDB connection options. Payload will connect to your MongoDB database using default options which you can override and extend to include all the options available to mongoose.
`collectionsSchemaOptions`	Customize Mongoose schema options for collections.
`disableIndexHints`	Set to true to disable hinting to MongoDB to use 'id' as index. This is currently done when counting documents for pagination, as it increases the speed of the count function used in that query. Disabling this optimization might fix some problems with AWS DocumentDB. Defaults to false
`migrationDir`	Customize the directory that migrations are stored.
`transactionOptions`	An object with configuration properties used in transactions or `false` which will disable the use of transactions.
`collation`	Enable language-specific string comparison with customizable options. Available on MongoDB 3.4+. Defaults locale to "en". Example: `{ strength: 3 }`. For a full list of collation options and their definitions, see the MongoDB documentation.
`allowAdditionalKeys`	By default, Payload strips all additional keys from MongoDB data that don't exist in the Payload schema. If you have some data that you want to include to the result but it doesn't exist in Payload, you can set this to `true`. Be careful as Payload access control won't work for this data.
`allowIDOnCreate`	Set to `true` to use the `id` passed in data on the create API operations without using a custom ID field.

Access to Mongoose models

After Payload is initialized, this adapter exposes all of your Mongoose models and they are available for you to work with directly.

You can access Mongoose models as follows:

Collection models - payload.db.collections[myCollectionSlug]
Globals model - payload.db.globals
Versions model (both collections and globals) - payload.db.versions[myEntitySlug]

Using other MongoDB implementations

Limitations with DocumentDB and Azure Cosmos DB:

For Azure Cosmos DB you must pass transactionOptions: false to the adapter options. Azure Cosmos DB does not support transactions that update two and more documents in different collections, which is a common case when using Payload (via hooks).
For Azure Cosmos DB the root config property indexSortableFields must be set to true.
The Join Field is not supported in DocumentDB and Azure Cosmos DB, as we internally use MongoDB aggregations to query data for that field, which are limited there. This can be changed in the future.
For DocumentDB pass disableIndexHints: true to disable hinting to the DB to use id as index which can cause problems with DocumentDB.

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MongoDB

Options

Access to Mongoose models

Using other MongoDB implementations

Postgres