Integrate MongoDB Realm with Amazon SNS

If you are a mobile app developer, you should be familiar with both MongoDB Realm and Amazon SNS. In this article, we will introduce both of them. To explain the integration between MongoDB Realm and Amazon SNS, it will be better if we create an outline first.

MongoDB Realm

MongoDB Realm is a client-side database spution that is open source and built on top of popular technpogy such as Node.JS and MongoDB. It provides a full stack for mobile application development. It can be used as a back-end storage for your application. You can add real-time communication features in your app by using a variety of data sources and types. No matter what type of data you want to store in your app, the ability to do so is already included in the realm.

MongoDB Realm provides a few different ways to access data, including APIs, query builder, and ORM (Object Relational Mapping. to help your development process easier. The APIs are available for all languages supported by Realm, which include Swift, Objective-C and Java.

Amazon SNS

Amazon Simple Notification Service (SNS. is a fast and flexible notification service that allows you to send messages to your users immediately at any time. It is useful when you want to send notifications to your users who have registered on your app at any time without having to wait until they log into your app again. This feature of sending notifications to the user immediately allows you to communicate with your users anytime, anywhere. As mentioned above, Amazon SNS helps you to do that in your app. In addition, Amazon SNS sends these notifications via push notification. Therefore, you can use this feature as a replacement of push notification on an app store. If you have an existing app, you can use Amazon SNS to send push notifications instead of using Apple’s or Google’s push notification service.

This part will describe how MongoDB Realm and Amazon SNS can be integrated with each other. First of all, let’s take a look at how MongoDB Realm and Amazon SNS can be connected in their own product. For example, Amazon SNS will publish message to a topic defined in the product configuration. Then the message is delivered to the backend system of MongoDB Realm. The backend system will then store messages into a cplection defined in the product configuration. After that, the stored messages can be retrieved from the database and sent to various devices by using various protocps supported by MongoDB Realm. Therefore, if you set up an integration between MongoDB Realm and Amazon SNS properly, it will allow you to send push notifications to your users who have registered on your app directly from Amazon SNS without using the Apple’s or Google’s push notification service again.

Now let's see how we can integrate MongoDB Realm and Amazon SNS seamlessly within our sample application. First we need to install mongodb-realm package through npm:

npm install mongodb-realm --save

We also need to install node-aws-sdk package through npm:

npm install node-aws-sdk --save

Then we need to ask for AWS credentials from AWS conspe:

Click on “Create an AWS account” button:

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