Voice Applications (Alexa Skills) Cloud Native on Kubernetes with Terraform
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SpringOne 2021 Session Title: Voice Applications (Alexa Skills) Cloud Native on Kubernetes with Terraform Speaker: Xavier Portilla Edo, Infrastructure Engineer at Voiceflow
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Voice Applications (Alexa Skills) Cloud Native on Kubernetes with Terraform
- 1. Alexa Skills and Kubernetes
- 2. about me Xavier Portilla Edo • @xavidop •DevopsDays Madrid •Test Automation Engineer •Alexa enthusiastic •Hyperloop Advisor •xavidop.me Alexa Community Spain
- 3. Azure Content Hero about me @xavidop #alexaDevsSpain
- 4. “Alexa, tell me something about your beginnings”
- 5. Brief history @xavidop First conference Birth Arrives to Spain Available in english, german, hindi, japanese, french, italian, spanish and portuguese More than135M of echoes selled 2014 2017 2018 2019 2021 #alexaDevsSpain
- 6. “Alexa, What is an Alexa Skill?”
- 7. Alexa Skills •What is it? @xavidop #alexaDevsSpain
- 8. “Alexa, Which are the parts of a skill?”
- 9. Alexa skill @xavidop •Frontend • Voice User Interface (VUI) • Alexa Presentation Language (APL) #alexaDevsSpain
- 10. How does it work? •Cloud Service @xavidop #alexaDevsSpain voice json voice json voice voice
- 11. How does it work? •Cloud Service @xavidop #alexaDevsSpain AWS Lambda AWS CloudWatch AWS S3 AWS DynamoDB voice json voice json voice voice
- 12. Alexa skill @xavidop •Backend • Serverless • Alexa Skill Kit (ASK) • AWS Lambda • NodeJS • Java • Python • .NET (No oficial) • Otro Backend: • Azure Functions • Heroku #alexaDevsSpain
- 13. “Alexa, and… if we want to host it on kubernetes?”
- 14. Alexa And Kubernetes •Current situation • we are at the starting point • There are a lot of work to do • Lack of documentation @xavidop #alexaDevsSpain
- 15. Alexa and Kubernetes @xavidop #alexaDevsSpain Azure Kubernetes Service
- 16. Alexa and Kubernetes @xavidop #alexaDevsSpain interacts Kubernetes Cluster POST Request voice Helm Chart POST Request Get/store data
- 17. Alexa and Kubernetes @xavidop #alexaDevsSpain interacts Kubernetes Cluster POST Request voice Helm Chart POST Request Get/store data
- 18. Terraform •Cloud Service • Alexa Speech Recognition (ASR) • Transforms Voice into text • Natural Language Understanding (NLU) • Recognize the part of the text @xavidop #alexaDevsSpain
- 19. Alexa and Kubernetes Create Kubernetes Objects Dockerize Web Server Create a Web Server Deploy Alexa Skill backend on AKS Deploy Alexa skill Create Helm Chart Publish Test @xavidop Create MongoDB Adapter #alexaDevsSpain
- 20. “Alexa, let’s create the Web Server”
- 21. Alexa Backend Web Server •ExpressJS • ask-sdk-express-adapter • Npm dependency • Similar code to Lambda approach @xavidop #alexaDevsSpain
- 22. Alexa Backend Web Server @xavidop #alexaDevsSpain
- 23. Alexa Backend Web Server @xavidop #alexaDevsSpain Java/Kotlin Python
- 24. Alexa Backend Web Server •Dockerize Web Server @xavidop #alexaDevsSpain
- 25. “Alexa, What happen with the database?”
- 26. MongoDB •MongoDB persistence adapter • Implements PersistenceAdapter from ask-sdk-core • Javascript/Typescript Library @xavidop #alexaDevsSpain
- 30. “Alexa, let’s Create Kubernetes objects”
- 34. “Alexa, let’s Deploy it!”
- 35. Terraform •IaC • Cluster AKS • NGINX Ingress Controller • MongoDB Helm Chart • Alexa Backend Expres Web Server @xavidop #alexaDevsSpain
- 36. “Alexa, What about local development?”
- 37. Local Development •DevSpace.sh • YAML file • Deploy • Helm charts • K8s manifests • Dev • Sync files • Hot reload • Logs • UI @xavidop #alexaDevsSpain
- 40. “Alexa, Show me the code in action!”
- 41. Conclusions @xavidop •Multiple solutions for the Alexa backend •Multiple Databases •Delay in responses due to more complex architecture •At the the end, same result with different approach #alexaDevsSpain
- 42. Recomendations @xavidop • Alexa Champions • Joaquín, Nieves, Javi and Lucio • Alexa Community Spain • @comunidadalexa • Follow me here • @xavidop • https://xavidop.me • Podcast “El interior de Alexa” • Youtube • Alexa Developers • Twitter • Twitch • Youtube • JOIN OUR DISCORD: https://bit.ly/alexa-es-unete #alexaDevsSpain