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.
`disableFallbackSort`	Set to `true` to disable the adapter adding a fallback sort when sorting by non-unique fields, this can affect performance in some cases but it ensures a consistent order of results.
`useAlternativeDropDatabase`	Set to `true` to use an alternative `dropDatabase` implementation that calls `collection.deleteMany({})` on every collection instead of sending a raw `dropDatabase` command. Payload only uses `dropDatabase` for testing purposes. Defaults to `false`.
`useBigIntForNumberIDs`	Set to `true` to use `BigInt` for custom ID fields of type `'number'`. Useful for databases that don't support `double` or `int32` IDs. Defaults to `false`.
`useJoinAggregations`	Set to `false` to disable join aggregations (which use correlated subqueries) and instead populate join fields via multiple `find` queries. Defaults to `true`.
`usePipelineInSortLookup`	Set to `false` to disable the use of `pipeline` in the `$lookup` aggregation in sorting. Defaults to `true`.

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

You can import the compatabilityOptions object to get the recommended settings for other MongoDB implementations. Since these databases aren't officially supported by payload, you may still encounter issues even with these settings (please create an issue or PR if you believe these options should be updated):

1import { mongooseAdapter, compatabilityOptions } from '@payloadcms/db-mongodb'
2
3export default buildConfig({
4  db: mongooseAdapter({
5    url: process.env.DATABASE_URI,
6    // For example, if you're using firestore:
7    ...compatabilityOptions.firestore,
8  }),
9})

We export compatability options for DocumentDB, Azure Cosmos DB and Firestore. Known limitations:

Azure Cosmos DB does not support transactions that update two or more documents in different collections, which is a common case when using Payload (via hooks).
Azure Cosmos DB the root config property indexSortableFields must be set to true.

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MongoDB

Options

Access to Mongoose models

Using other MongoDB implementations

Postgres