Serverless Architecture

Introductionary presentation on Serverless Architecture covering the concept of serverless functions, AWS Lambda and the Serverless Framework.

Transcript

1. Werner Vogels No server is easier to maintain than no server CTO Amazon
2. λ Serverless Architecture
3. λ Functions as a unit of application logic
4. Monolithic servers Not so long ago…
5. Microcontainers But then…
6. We developers…
7. Many great new tools were created Docker Kubernetes Traefik
8. But… they all still depend on…
9. SERVERS
10. What size servers are right for my budget? Which OS should my servers run? How will I keep my server OS patched? When should I decide to scale up my servers? Who will monitor the availability and performance? Which users should have access to my servers?
12. λ Serverless Architecture Meet
13. 1. Applications that significantly depend on third-party services (knows as Backend as a Service or "BaaS") 2. Custom code that's run in ephemeral containers (Function as a Service or "FaaS"), the best known vendor host of which currently is AWS Lambda. It could mean…
14. λ Functions as a unit of application logic
15. λ Microservices without servers
16. λ Event-driven compute service
17. Three Components λ A function with your custom code An event source A FaaS service
18. λ A function with your custom code An event source A FaaS service API Gateway IoT events Database updates NodeJS Go Java C# … AWS Lambda Azure Functions Apache OpenWhisk Google Cloud Functions Three Components
19. DEMO
20. Fully managed No provisioning Zero administration High availability ＋
21. λλλλλλλλλλλλλ λ λλλλλλλλλλλλλ λ λλ λλλ λλλλλ λ λλ λ λ λλλλλ λ λλλλλλλλλλλλλ λ λλ λλ λ λ λ Continuous scaling Automatically Scale up and scale down ＋
22. Pay as you go Combination of execution time (100ms slots) and memory used ＋ http://serverlesscalc.com/
23. Developer Productivity Reduce time to market Focus on business logic ＋
24. Cold starts A cold start occurs when an AWS Lambda function is invoked after not being used for an extended period of time resulting in increased invocation latency. − https://plot.ly/~theburningmonk/2/csharp-java-python-nodejs6/#plot
25. Execution environment limitations Limited in time, memory, etc −
26. Vendor lock-in Strong integration with the platform ecosystem −
27. Meet https://serverless.com/
28. Serverless is your toolkit for deploying and operating serverless architectures. Develop, test and deploy in a single environment Vendor agnostic Community-made plugins e.g. to work offline or run tests
30. https:/ /github.com/serverless/serverless-graphql