AWS Lambda in Practice
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Or how i learned to stop worrying and love not having servers. An overview of using AWS Lambda in the real world.
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AWS Lambda in Practice
- 1. λ in Practice or how i learned to stop worrying and love not having servers
- 2. 2 @tobyhede Toby Hede 100% Technology Lead Digital Transformation Office Teh GOvernment ************
- 3. 3
- 5. 5 —————————————————————————————— All-of-Gov Performance Dashboard Measure the performance of government services against metrics defined in the Digital Service Standard.
- 6. 6 —————————————————————————————— All-of-Gov Performance Dashboard Measure the performance of government services against metrics defined in the Digital Service Standard. Drive the continuous improvement of government services for users and increase government transparency.
- 7. 7 —————————————————————————————— Data ๏ Multiple data sources ๏ Disparate data sources ๏ We don’t actually know what they all are yet ๏ We don’t know how much of it we will have
- 9. 9
- 10. 10 —————————————————————————————— Data ๏ Connect all the moving pieces ๏ Transform data from many different sources ๏ Move fast ๏ Adapt quickly
- 11. Architecture How are we using λ?
- 12. 12 —————————————————————————————— Caveats We are just finishing Alpha Production this week, pending approvals Going into Beta phase Expanding our usage of λ
- 14. 14 YOUR SHIPMENT OF CLOUD HAS ARRIVED
- 16. 16
- 17. 17
- 19. 19 —————————————————————————————— Random Thoughts Vendor Lock In Dependencies Security Testing What about other Amazon products and/or services Zero infrastructure and a surprising amount of configuration
- 21. 21 Businesswoman with question marks behind her, hard decision
- 22. 22 What about vendor lock-in!!!!?
- 23. 23 Convert to an express function
- 25. 25
- 26. 26
- 27. 27 —————————————————————————————— Security and IAM • AmazonAPIGatewayAdministrator • AWSLambdaFullAccess • AWSLambdaVPCAccessExecutionRole • ec2:DescribeSecurityGroups • ec2:DescribeSubnets • Built-in Serverless Policy
- 28. 28 —————————————————————————————— Dependencies • Requires some planning • Nest packages with npm • Favour reimplementation of simple helpers rather then pull in a dependency
- 29. 29 —————————————————————————————— Testing • Unit test functions • If testing a function is hard, you are doing it wrong • ava is good • Can run Serverless locally using a plugin
- 30. 30 —————————————————————————————— What about other AWS products • Possible for future development • We’ve played it safe on the database tier • Some limitations to what Gov can support • Contenders: • Kinesis • Elastic search
- 31. 31 —————————————————————————————— Configuration Serverless means replying infrastructure with configuration Don’t underestimate the complexity