Dapr is a set of integrated APIs with built-in best practices and patterns to build distributed applications. Dapr increases your developer productivity by 20-40% with out-of-the-box features such as workflow, pub/sub, state management, secret stores, external configuration, bindings, actors, distributed lock, and cryptography. You benefit from the built-in security, reliability, and observability capabilities, so you don't need to write boilerplate code to achieve production-ready applications.
With Dapr, a graduated CNCF project, platform teams can configure complex setups while exposing simple interfaces to application development teams, making it easier for them to build highly scalable distributed applications. Many platform teams have adopted Dapr to provide governance and golden paths for API-based infrastructure interaction.
We are a Cloud Native Computing Foundation (CNCF) graduated project.
Dapr injects a side-car (container or process) to each compute unit. The side-car interacts with event triggers and communicates with the compute unit via standard HTTP or gRPC protocols. This enables Dapr to support all existing and future programming languages without requiring you to import frameworks or libraries.
Dapr offers built-in state management, reliable messaging (at least once delivery), triggers and bindings through standard HTTP verbs or gRPC interfaces. This allows you to write stateless, stateful and actor-like services following the same programming paradigm. You can freely choose consistency model, threading model and message delivery patterns.
Dapr runs natively on Kubernetes, as a self hosted binary on your machine, on an IoT device, or as a container that can be injected into any system, in the cloud or on-premises.
Dapr uses pluggable component state stores and message buses such as Redis as well as gRPC to offer a wide range of communication methods, including direct dapr-to-dapr using gRPC and async Pub-Sub with guaranteed delivery and at-least-once semantics.
Writing highly performant, scalable and reliable distributed application is hard. Dapr brings proven patterns and practices to you. It unifies event-driven and actors semantics into a simple, consistent programming model. It supports all programming languages without framework lock-in. You are not exposed to low-level primitives such as threading, concurrency control, partitioning and scaling. Instead, you can write your code by implementing a simple web server using familiar web frameworks of your choice.
Dapr is flexible in threading and state consistency models. You can leverage multi-threading if you choose to, and you can choose among different consistency models. This flexibility enables you to implement advanced scenarios without artificial constraints. Dapr is unique because you can transition seamlessly between platforms and underlying implementations without rewriting your code.
See our Getting Started guide over in our docs.
We want your contributions and suggestions! One of the easiest ways to contribute is to participate in discussions on the mailing list, chat on IM or the bi-weekly community calls. For more information on the community engagement, developer and contributing guidelines and more, head over to the Dapr community repo.
Reach out with any questions you may have and we'll make sure to answer them as soon as possible!
Every two weeks we host a community call to showcase new features, review upcoming milestones, and engage in a Q&A. All are welcome!
📞 Visit Upcoming Dapr Community Calls for upcoming dates and the meeting link.
📺 Visit https://www.youtube.com/@DaprDev/streams for previous community call live streams.
We have a variety of keynotes, podcasts, and presentations available to reference and learn from.
📺 Visit https://docs.dapr.io/contributing/presentations/ for previous talks and slide decks or our YouTube channel https://www.youtube.com/@DaprDev/videos.
See the Development Guide to get started with building and developing.
Repo Description Dapr The main repository that you are currently in. Contains the Dapr runtime code and overview documentation. CLI The Dapr CLI allows you to setup Dapr on your local dev machine or on a Kubernetes cluster, provides debugging support, launches and manages Dapr instances. Docs The documentation for Dapr. Quickstarts This repository contains a series of simple code samples that highlight the main Dapr capabilities. Samples This repository holds community maintained samples for various Dapr use cases. Components-contrib The purpose of components contrib is to provide open, community driven reusable components for building distributed applications. Dashboard General purpose dashboard for Dapr Go-sdk Dapr SDK for Go Java-sdk Dapr SDK for Java JS-sdk Dapr SDK for JavaScript Python-sdk Dapr SDK for Python Dotnet-sdk Dapr SDK for .NET Rust-sdk Dapr SDK for Rust Cpp-sdk Dapr SDK for C++ PHP-sdk Dapr SDK for PHPPlease refer to our Dapr Community Code of Conduct
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