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As of January 2025, we’ve started adding optional backend functionality for PowerSync that handles writing to a backend database (with initial support for MongoDB) and generating JWTs. This makes PowerSync easier to implement for developers who prefer not having to maintain their own backend code and infrastructure (PowerSync’s usual architecture is to use your own backend to process writes and generate JWTs). We are approaching this in phases, and phase 1 allows using the CloudCode feature of JourneyApps Platform, a sibling product of PowerSync. CloudCode is a serverless cloud functions engine based on Node.js and AWS Lambda. It’s provided as a fully-managed service running on the same cloud infrastructure as the rest of PowerSync Cloud. PowerSync and JourneyApps Platform share the same login system, so you don’t need to create a separate account to use CloudCode. For more details, see this post on our blog.
We are currently making JourneyApps Platform CloudCode available for free to all our customers who use PowerSync with MongoDB. It does require a bit of “white glove” onboarding from our team. Contact us if you want to use this functionality.

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Using CloudCode in JourneyApps Platform for MongoDB Backend Functionality

There is a MongoDB template available in CloudCode that provides the backend functionality needed for a PowerSync MongoDB implementation. Here is how to use it:

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Create a new JourneyApps Platform project

To create a new JourneyApps Platform project in order to use CloudCode:
1
Navigate to the JourneyApps Admin Portal. You should see a list of your projects if you’ve created any.