AWS Lambda

AWS Lambda

Serverless, event-driven compute service

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Julian Kleinhans

March 27, 2017
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  1. 1 02.06.17 AWS Lambda Serverless, event-driven compute service 27.03.2017, AOE

    Developer Weekly, Julian Kleinhans
  2. 2 02.06.17 Julian Kleinhans Software Architect @ AOE GmbH @kj187

  3. 3 02.06.17 What is AWS Lambda Alternatives • Azure Functions

    (Microsoft) • OpenWhisk (IBM) • Google Cloud Functions (beta) Serverless compute service that runs your code in response to events Introduced by Amazon in November 2014 First major provider
  4. 4 02.06.17 What means serverless Serverless • No infrastructure to

    manage • Upload your code • Lambda handles Capacity, Scaling, Monitoring, Logging, Security patching ...
  5. 5 02.06.17 Events Event Sources (Event sources that trigger AWS

    Lambda) • Amazon S3 • Amazon DynamoDb • Amazon Kinesis • Amazon API Gateway (REST API) • On Demand via SDK • ... approx. 16-17 services
  6. 6 02.06.17 Workflow Changes in data state Request to endpoints

    Changes in resource state Event source Function Services (anything) Change/Add data state Trigger AWS resource Call HTTP endpoint
  7. 7 02.06.17 Function Function handler NodeJS 4.3 & 6.10 Java

    8 Python 2.7 C# ZIP Package handler.js node_modules/*
  8. 8 02.06.17 Use Case 1 2 3 4 Store image

    in S3 Lambda Event Trigger Create thumbnail Store thumbnail in S3
  9. 9 02.06.17 Use Case E-Mail DeskPro Middleware TargetProcess API Gateway

    Create bug ticket Close ticket Create ticket Webhook Event source Lambda DeskPro -> TargetProcess (fully automated)
  10. 10 02.06.17 Limits Maximum execution duration per request => 300

    seconds Alternative S3 Storage Lambda function deployment package size (.zip/.jar file) => 50 MB 100 concurrent executions 1.000 invokes per second Increases available via AWS customer service
  11. 11 02.06.17 Costs 1 million requests and 400,000 GB-second of

    compute time every month, every customer for free $0.20 per 1 million requests ($0.0000002 per request) Never pay for idle
  12. 12 02.06.17 Demo DEMO https://github.com/kj187/aws_terraform_templates

  13. 13 02.06.17 Thank you Any Questions ?