Serverless - Applications Running in Their Natural State
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Serverless is more than a trend, today all the major cloud providers have a serverless offering on their platform, many books have been written on the subject and businesses around the world are using the power of severless daily. In this talk we explore what serverless is, how it compares to current software trends and more importantly why you should care about it. By seeing a serverless solution in action you will learn about the benefits and drawbacks of moving the value line up for developers and become familiar with current technology trends.
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Serverless - Applications Running in Their Natural State
- 1. Serverless Applications Running In Their Natural State Tobias Coetzee @Tobiascode
- 2. Bat-signal application ● Automated Bat-Signal Administration ● Tracks Villains & Incidents
- 4. Five Traits of serverless No Server Management Auto-Scales Precise Costs Performance Capabilities High Availability
- 5. Two Categories of serverless Backend as a Service Third-party API-based services that replace core subsets of functionality in an application Function as a Service Event-driven computing where developers only deploy functions which are triggered by events
- 7. Evolution of the cloud Application Runtime Containers (Optional) Operating System Hardware Functions Virtualization InfrastructureasaService Application Runtime Containers Operating System Hardware Functions Virtualization ContainerasaService Application Runtime Containers Operating System Hardware Functions VirtualizationPlatformasaService Application Runtime Containers Operating System Hardware Functions Virtualization FunctionasaService Not our problem Our problem Value Line
- 9. 3-tier architecture Application Server Server Application Data Access Layer Villain Logic Notifications Signal Logic Villain UI Signal UI Database Server Signal Data Villain Data Security Data Security
- 11. Backend as a service
- 12. Backend as a service Examples Don’t create another users table again. Skip the backend and go straight to the database.
- 13. AWSCognitoBrowser Bat-signal application - Baas components VillainUISignalUI User&APISecurity APIGateway GET|POST|PUT|DELETE Lamda VillainCreateAlertReceived VillainRead VillainUpdate VillainDelete NotifyUser LogAlert NotifyBatman SimpleNotificationService DynamoDb Pub/Sub AlertTableVillainTable Notifications S3
- 14. Function as a service
- 15. Life cycle of a function Event Source Triggers Function
- 16. Function as a service Platforms Hosted Installed
- 17. AWSCognitoBrowser Bat-signal application - faas component VillainUISignalUI User&APISecurity APIGateway GET|POST|PUT|DELETE Lamda VillainCreateAlertReceived VillainRead VillainUpdate VillainDelete NotifyUser LogAlert NotifyBatman SimpleNotificationService DynamoDb Pub/Sub AlertTableVillainTable Notifications S3
- 19. benefits Reduced Cost Shorter Lead Time Increased Flexibility Flexibility in Scaling
- 20. Inherent drawbacks Vendor Control Multitenancy Vendor Lock-in Security Repetition of Logic Server Optimizations No In-Server State
- 21. Thank You For Staying Till The End Tobias Coetzee @Tobiascode