PowerSync is a Postgres-SQLite sync layer, which helps developers to create local-first real-time reactive apps that work seamlessly both online and offline.

PowerSync Service

powersync-service is the monorepo for the core PowerSync service.

The service can be started using the public Docker image. See the image notes

Monorepo Structure: Packages

• packages/service-core

  • Core logic for the PowerSync backend server

• packages/jpgwire

  • Customized version of pgwire

• packages/jsonbig

  • Custom JSON and BigInt parser

• packages/rsocket-router

  • Router for reactive streams using RSocket

• packages/sync-rules

  • Library containing logic for PowerSync sync rules

• packages/types

  • Type definitions for the PowerSync service

Service

The PowerSync service code is located in the service folder. This project is used to build the journeyapps/powersync-service Docker image.

Notes

This mono repo currently relies on restricted packages. Currently this repo can only be built in CI. These dependencies will be removed soon.