deepstream TypeScript permissions Shell JavaScript realtime pubsub rpc authentication websocket datasync
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deepstream - the open realtime server deepstream

deepstream is an open source server inspired by concepts behind financial trading technology. It allows clients and backend services to sync data, send messages and make rpcs at very high speed and scale.

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deepstream has three core concepts for enabling realtime application development

records are schema-less, persistent documents that can be manipulated and observed. Any change is synchronized with all connected clients and backend processes in milliseconds. Records can reference each other and be arranged in lists to allow modelling of relational data

events allow for high performance, many-to-many messaging. deepstream provides topic based routing from sender to subscriber, data serialisation and subscription listening.

remote procedure calls allow for secure and highly available request response communication. deepstream handles load-balancing, failover, data-transport and message routing.

Getting Started:

  1. Installing deepstream
  2. Quickstart
  3. Tutorials
  4. Documentation

Community Links

  1. Slack
  2. Twitter
  3. Stack Overflow


deepstream development is a great way to get into building performant Node.js applications, and contributions are always welcome with lots of ❤. Contributing to deepstream is as simple as having Node.js (10+) and TypeScript (3+) installed, cloning the repo and making some changes.

~ » git clone [email protected]:deepstreamIO/
~ » cd
~/ » git submodule update --init 
~/ » npm i
~/ » npm start
      _                     _
   __| | ___  ___ _ __  ___| |_ _ __ ___  __ _ _ __ ____
  / _` |/ _ \/ _ \ '_ \/ __| __| '__/ _ \/ _` | '_ ` _  \
 | (_| |  __/  __/ |_) \__ \ |_| | |  __/ (_| | | | | | |
  \__,_|\___|\___| .__/|___/\__|_|  \___|\__,_|_| |_| |_|
 =====================   starting   =====================

From here you can make your changes, and check the unit tests pass:

~/ » npm t

If your changes are substantial you can also run our extensive end-to-end testing framework:

~/ » npm run e2e

For power users who want to make sure the binary works, you can run

sh scripts/ true
. You'll need to download the usual node-gyp build environment for this to work and we only support the latest LTS version to compile. This step is usually not needed though unless your modifying resource files or changing dependencies.

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