March 2019
Intermediate to advanced
168 pages
4h 33m
English
Content preview from Building Serverless Microservices in Python
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AWS Lambda
The key serverless component in AWS is called AWS Lambda. A Lambda is basically some business logic code that can be triggered by an event source:
A data event source could be the put or get of an object to an S3 bucket. Streaming event sources could be new records that have been to a DynamoDB table that trigger a Lambda function. Other streaming event sources include Kinesis Streams and SQS.
One example of requests to endpoints are Alexa skills, from Alexa echo devices. Another popular one is Amazon API Gateway, when you call an endpoint that would invoke a Lambda function. In addition, you can use changes in AWS CodeCommit or ...
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