Serverless Boost For Your Next Startup

This is a presentation I used during a couple of the Google Developer Groups DevFest events during December 2019.

Transcript

1. Daron Yöndem
   http://daron.me
   @daronyondem
   

   View Slide

2. Serverless architectures refer to applications that
   significantly depend on third-party services (knows as
   Backend as a Service or "BaaS") or on custom code
   that's run in ephemeral containers (Function as a
   Service or "FaaS")
   

   View Slide

3. • The real dream of PAAS
   • No Infrastructure, No Containers (seriously?)
   • Scalable as hell!
   • Granular Billing (GB/s, GHz-Second)
   • No commitment, no hardware provisioning (c’mon?)
   

   View Slide

4. • Containers are the new VMs!
   • Server Patching > Container Image Batching
   • Container Orchestration is hard.
   • What if I have my dependencies though?
   

   View Slide

5. • You can have a fleet of EC2 instances, running containers,
   orchestrating and still worry about infrastructure.
   • You can have dozens of functions tightly coupled and
   delivered as a behemoth.
   

   View Slide

6. • Javascript, C#, C# Script, Python, PHP, Batch, Powershell
   • Timer-based processing
   • SaaS Event Processing
   • Full Serverless Architecture
   • Real-Time Stream Processing
   • Real-Time Bot Messaging
   • Serverless mobile back-ends
   

   View Slide

7. View Slide

8. View Slide

9. Creating our first “Hello World” function!
   

   View Slide

10. View Slide

11. View Slide

12. View Slide

13. View Slide

14. • Anonymous
    • Function Key
    • Host Key
    

    View Slide

15. View Slide

16. View Slide

17. View Slide

18. View Slide

19. View Slide

20. • A “Run” file that containing the function code
    • A “Function” file containing all service and trigger bindings and
    parameters
    • A “Project” file containing project assembly and NuGet
    package references
    • App Service settings, such as connection strings and API keys
    

    View Slide

21. V1 Only on Windows
    npm install -g azure-functions-core-tools
    V2 with .NET Core on all platforms
    npm install -g azure-functions-core-tools@core
    Initialize your first function
    func init MyFunctionProj
    

    View Slide

22. Precompiled functions with C# and Visual Studio
    

    View Slide

23. View Slide

24. View Slide

25. View Slide

26. View Slide

27. • local.settings.json will have all your local settings on
    the dev machine.
    • C# can also be read in your code as environment variables.
    Use System.Environment.GetEnvironmentVariable
    or ConfigurationManager.AppSettings.
    • In JavaScript, use process.env
    

    View Slide

28. • Extend the existing Azure App Service platform
    • Go with “Consumption Plan” and be pure Serverless
    • Deploy Functions Runtime on an on-prem location in your
    Private Cloud.
    • Deploy Functions to Google Cloud, AWS, and more.
    

    View Slide

29. • Scale Controller : event-driven scaling through KEDA
    • Runtime Controller : functions runtime in a Docker container
    

    View Slide

30. Documentation
    • https://goo.gl/TqGtMr
    Azure Functions Runtime (Run on-prem)
    • https://goo.gl/hV7KgJ
    Documentation for the host.json file
    • https://goo.gl/W6kcV7
    More CLI commands to run functions locally
    • https://goo.gl/PSkqet
    Functions on Kubernetes
    • https://drn.fyi/2ppbVxN
    

    View Slide

31. http://daron.me | @daronyondem
    Download slides here;
    http://daron.me/decks
    

    View Slide