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    8.2.0 • Public • Published


    A bedrock module that creates a simple MongoDB database and provides an easy API for creating and working with its collections.


    • npm v3+

    Quick Examples

    npm install bedrock-mongodb

    Below is an example that simply opens a collection when the database is ready and then runs a query and prints the result. A more common use case for a module that uses bedrock-mongodb would be to expose its own API that hides the details of using whatever collections it has opened.

    var bedrock = require('bedrock');
    var database = require('bedrock-mongodb');
    // custom configuration
    bedrock.config.mongodb.name = 'my_project_dev'; // default: bedrock_dev
    bedrock.config.mongodb.host = 'localhost';      // default: localhost
    bedrock.config.mongodb.port = 27017;            // default: 27017
    bedrock.config.mongodb.username = 'my_project'; // default: bedrock
    bedrock.config.mongodb.password = 'password';   // default: password
    // the mongodb database 'my_project_dev' and the 'my_project' user will
    // be created on start up following a prompt for the admin user credentials
    // alternatively, use `mongodb` URL format:
    bedrock.config.mongodb.url = 'mongodb://localhost:27017/my_project_dev';
    // enable local collection if a local database is available
    // the local database has similar options to primary database
    // see lib/config.js for details
    // bedrock.config.mongodb.local.enable = true; // default: false
    // open some collections once the database is ready
    bedrock.events.on('bedrock-mongodb.ready', function(callback) {
      database.openCollections(['collection1', 'collection2'], function(err) {
        if(err) {
          return callback(err);
        // do something with the open collection(s)
        database.collections.collection1.find({id: 'foo'}, function(err, result) {
          if(err) {
            return callback(err);
          console.log('result', result);


    For documentation on database configuration, see config.js.

    Connecting and Authenticating

    MongoDB's documentation offers tons of great examples on how to authenticate using a myriad number of connection strings.

    Mongo Node 3.5 Driver connect docs

    Mongo Node 3.5 Driver atlas docs

    You can also connect to access-enabled mongo servers using some small changes to the config.mongodb.connectOptions:

    const {config} = require('bedrock');
    config.mongodb.username = 'me';
    config.mongodb.password = 'password';
    const {connectOptions} = config.mongodb;
    // optional, only required if connecting to a replicaSet
    connectOptions.replicaSet = 'my_provider_replica_set';
    // optional, but required in production by many providers
    connectOptions.ssl = true;
    // optional, only required if your provider requires tls 
    connectOptions.tls = true;
    // the `authSource` option replaces the older `authDB` option
    // it should be specified or else it will be the `mongodb.name`
    connectOptions.authSource = 'my_provider_auth_db'; 

    MongoDB provides excellent docs on their connection strings

    You can connect using a url by setting:

    config.mongodb.url = 'mongodb://myDBReader:D1fficultP%40ssw0rd@mongodb0.example.com:27017/?authSource=admin';


    • Linux or Mac OS X (also works on Windows with some coaxing)
    • node.js >= 6.x.x
    • npm >= 1.4.x
    • mongodb ~= 3.x
    • libkrb5-dev >= 1.x.x


    1. Ensure an admin user is set up on mongodb. To do so, follow the instructions at mongodb.org for your version of MongoDB. Version 4.2.x is currently supported.
    2. [optional] Tweak your project's configuration settings; see Configuration or Quick Examples.



    An object whose keys are the names of the collections that have been opened via openCollections.

    openCollections(collections, callback)

    Opens a set of collections (creating them if necessary), if they aren't already open. Once all of the collections are open, callback is called. If an error occurs, callback is called immediately with the error. If no error occurs, then once the callback has been called, collections object will have keys that match the collection names and values that are instances of mongodb-native Collection.


    Creates and returns a new GridFSBucket from the native driver. Options are the same as for GridFSBucket. The current client is used and the writeConcern option defaults to the writeOptions config value.

    Test Mode

    Drop Collections on Initialization

    When doing testing, it is often desirable to have empty collections at the beginning of test operations. This may be accomplished by the following configuration parameters IN ADDITION to specifying the test parameter on the command line. The test configuration in a project should ALWAYS specify a UNIQUE mongodb database.

    // Always specify a unique mongodb database for testing
    bedrock.config.mongodb.name = 'my_project_test';
    bedrock.config.mongodb.host = 'localhost';
    bedrock.config.mongodb.port = 27017;
    bedrock.config.mongodb.username = 'test'; // default: bedrock
    bedrock.config.mongodb.password = 'password';
    // drop collections on initialization
    bedrock.config.mongodb.dropCollections.onInit = true;
    // if 'onInit' is specified, 'collections' must also be specified
    // if collections is an empty array, ALL collections will be dropped
    bedrock.config.mongodb.dropCollections.collections = [];


    npm i bedrock-mongodb

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