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AWS Lambda in Action: Event-driven serverless applications by Danilo Poccia

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Chapter 17. Receiving events from other services

This chapter covers

  • Having external sources as triggers for Lambda functions
  • Using webhooks to receive callbacks from other services
  • Monitoring application logs to trigger Lambda functions
  • Introducing practical examples with tools such as Slack, GitHub, Twilio, and MongoDB

In the previous chapter, you learned how to call external services in Lambda functions, encrypting credentials before including them in your code or in your configuration repositories.

Now you’ll see the other side of that: how to have Lambda functions triggered by external services. I’ll share specific examples and best practices, and the architectural patterns that are introduced here can be used with many more services ...

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