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Practical Microservices with Dapr and .NET

You're reading from   Practical Microservices with Dapr and .NET A developer's guide to building cloud-native applications using the Dapr event-driven runtime

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Product type Paperback
Published in Dec 2020
Publisher Packt
ISBN-13 9781800568372
Length 280 pages
Edition 1st Edition
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Author (1):
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Davide Bedin Davide Bedin
Author Profile Icon Davide Bedin
Davide Bedin
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Table of Contents (16) Chapters Close

Preface 1. Section 1: Introduction to Dapr
2. Chapter 1: Introducing Dapr FREE CHAPTER 3. Chapter 2: Debugging Dapr Solutions 4. Section 2: Building Microservices with Dapr
5. Chapter 3: Service-to-Service Invocation 6. Chapter 4: Introducing State Management 7. Chapter 5: Publish and Subscribe 8. Chapter 6: Resource Bindings 9. Chapter 7: Using Actors 10. Section 3: Deploying and Scaling Dapr Solutions
11. Chapter 8: Deploying to Kubernetes 12. Chapter 9: Tracing Dapr Applications 13. Chapter 10: Load Testing and Scaling Dapr 14. Other Books You May Enjoy Appendix – Microservices Architecture with Dapr

Using Twilio output bindings in Dapr

An output binding enables our microservice to actively interact with an external system or service without having to deal with software development kits (SDKs), libraries, or application programming interfaces (APIs) other than the Dapr API. In our C# sample, we will use the Dapr .NET SDK to abstract this interaction.

In the previous chapter, Chapter 5, Publish and Subscribe, we introduced the Shipping service: this Dapr application subscribes to the OnOrder_Prepared topic to be informed once all the steps in the order-preparation saga reach a positive conclusion.

We intend to increase the functionality of this microservice by informing the customer that the order shipped. To do so, we can leverage a notification service such as Twilio to send the customer a Short Message Service (SMS) message, as follows:

Figure 6.1 – Twilio output binding added to the Shipping service

In Figure 6.1, you can see the evolution...

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