Dapr

Dapr

Developer(s)	Microsoft
Initial release	October 16, 2019;5 years ago (2019-10-16)
Stable release	v1.15.4 / April 4, 2025;22 days ago (2025-04-04) [1]
Repository	github.com/dapr/dapr
Written in	Go
Operating system	Cross-platform
Available in	English
Type	Cloud native runtime system
License	Initially MIT License, now Apache License 2.0
Website	dapr.io

Dapr (Distributed Application Runtime) is a free and open source runtime system designed to support cloud native and serverless computing. ^[2] Its initial release supported SDKs and APIs for Java, .NET, Python, and Go, and targeted the Kubernetes cloud deployment system. ^{[3] [4]}

The source code is written in the Go programming language. It is licensed under Apache License 2.0 and hosted on GitHub. ^[5]

Dapr is a CNCF project and graduated in November 2024. ^[6]

Architectural approach of Dapr: ^[7]

Microservice application Services written in Go, Python, .NET, …
↕    ↕    ↕
HTTP API / gRPC API
Service-to- service invocation	State management	Publish and subscribe	Resource bindings & trigger	Actors	Distributed tracing	Extensible…
Dapr
Any cloud or edge infrastructure

See also

• Microservices
• Service mesh

References

1. "Tags · dapr/dapr · GitHub". GitHub. Retrieved 2023-11-25.
2. "The Dapr Distributed Runtime Nears Production Readiness". The New Stack. 2020-10-22. Retrieved 2021-02-20.
3. "Distributed Application Runtime (Dapr) v1.0 Announced". InfoQ. 2021-02-17. Archived from the original on 2021-02-17. Retrieved 2021-02-20.
4. "Microsoft's Dapr open-source project to help developers build cloud-native apps hits 1.0". TechCrunch. 2021-02-17. Retrieved 2021-02-20.
5. "GitHub - dapr/dapr: Dapr is a portable, event-driven, runtime for building distributed applications across cloud and edge" – via GitHub.
6. "Cloud Native Computing Foundation Announces Dapr Graduation" – via CNCF.io.
7. Announcing Distributed Application Runtime (Dapr), an open source project to make it easier for every developer to build microservice applications - Open Source Blog

Further reading

• Bedin, Davide (2020). Practical Microservices with Dapr and .NET: A developer's guide to building cloud-native applications using the Dapr event-driven runtime. Packt Publishing. ISBN   978-1800568372.
• Schneider Bai, Haishi; Schneider, Yaron (2020). Learning Dapr: Building Distributed Cloud Native Applications. O'Reilly UK Ltd. ISBN   978-1492072423.
• Gatev, Radoslav (2021). Introducing Distributed Application Runtime (Dapr): Simplifying Microservices Applications Development Through Proven and Reusable Patterns and Practices. Apress. ISBN   978-1484269978.

External links

• Free and open-source software portal

• Official website
• dapr on GitHub