Voxxed Micro-services: Serverless JakartaEE - JAX-RS comes to FaaS
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Function-as-a-service (FaaS) and serverless platforms increase productivity, enabling you to focus on application code, with the platform taking care of how to deploy, configure, run, and scale the code. They do however require you to adopt a new programming model, creating generic handlers or actions that lack the expressive APIs that you get from frameworks and standards such as Jakarta EE. In this session, you’ll learn how it’s now possible to create FaaS- and serverless-based applications using the same APIs you use today such as JAX-RS and you’ll see a live demo of an application being built and deployed as a cloud native application on Kubernetes using a combination of open source tools and Knative serving.
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Voxxed Micro-services: Serverless JakartaEE - JAX-RS comes to FaaS
- 1. JakarkaEE: Not Just for Servers JAX-RS comes to FaaS Chris Bailey baileyc@uk.ibm.com @Chris__Bailey kitura.io appsody.dev cloudnativejs.io Chief Architect, Cloud Native Runtimes @IBM
- 3. @Chris__Bailey3 Increasingfocusonbusinesslogic Decreasing concern over stack implementation
- 4. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 4 Increasingfocusonbusinesslogic Decreasing concern over stack implementation IaaS CaaS PaaS FaaS n instances 1..n instances 1..n instances 0..demand instances Lambda
- 5. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 5 Increasingfocusonbusinesslogic Decreasing concern over stack implementation IaaS CaaS PaaS FaaS n instances 1..n instances 1..n instances 0..demand instances Lambda
- 6. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 6 Docker Docker Virtual Machine Application Stack Increasingfocusonbusinesslogic Decreasing concern over stack implementation IaaS CaaS PaaS FaaS n instances 1..n instances 1..n instances 0..demand instances Server Application JAR / WAR / EAR Lambda
- 7. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 7 Increasingfocusonbusinesslogic Decreasing concern over stack implementation IaaS CaaS PaaS FaaS n instances 1..n instances 1..n instances 0..demand instances Application Stack Lambda
- 8. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 8 Increasingfocusonbusinesslogic Decreasing concern over stack implementation IaaS CaaS PaaS FaaS n instances 1..n instances 1..n instances 0..demand instances Docker Docker Application Stack Server Application JAR / WAR / EAR Lambda
- 9. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 9 Increasingfocusonbusinesslogic Decreasing concern over stack implementation IaaS CaaS PaaS FaaS n instances 1..n instances 1..n instances 0..demand instances Application Stack Lambda
- 10. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 10 Increasingfocusonbusinesslogic Decreasing concern over stack implementation IaaS CaaS PaaS FaaS n instances 1..n instances 1..n instances 0..demand instances Application Stack Server Application JAR / WAR / EAR Lambda
- 11. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 11 Increasingfocusonbusinesslogic Decreasing concern over stack implementation IaaS CaaS PaaS FaaS n instances 1..n instances 1..n instances 0..demand instances Application Stack Application JAR / WAR / EAR Lambda
- 12. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 12 Application Stack Increasingfocusonbusinesslogic Decreasing concern over stack implementation IaaS CaaS PaaS FaaS n instances 1..n instances 1..n instances 0..demand instances Lambda
- 13. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 13 Application Stack Increasingfocusonbusinesslogic Decreasing concern over stack implementation IaaS CaaS PaaS FaaS n instances 1..n instances 1..n instances 0..demand instances Application Lambda
- 15. @Chris__Bailey “Function as a service (FaaS) is a category of cloud computing services that provides a platform allowing customers to develop, run, and manage application functionalities without the complexity of building and maintaining the infrastructure typically associated with developing and launching an app. Building an application following this model is one way of achieving a "serverless" architecture, and is typically used when building microservices applications.” — Wikipedia
- 16. @Chris__Bailey “Function as a service (FaaS) is a category of cloud computing services that provides a platform allowing customers to develop, run, and manage application functionalities without the complexity of building and maintaining the infrastructure typically associated with developing and launching an app. Building an application following this model is one way of achieving a "serverless" architecture, and is typically used when building microservices applications.” — Wikipedia
- 17. @Chris__Bailey “Function as a service (FaaS) is a category of cloud computing services that provides a platform allowing customers to develop, run, and manage application functionalities without the complexity of building and maintaining the infrastructure typically associated with developing and launching an app. Building an application following this model is one way of achieving a "serverless" architecture, and is typically used when building microservices applications.” — Wikipedia
- 18. @Chris__Bailey “Function as a service (FaaS) is a category of cloud computing services that provides a platform allowing customers to develop, run, and manage application functionalities without the complexity of building and maintaining the infrastructure typically associated with developing and launching an app. Building an application following this model is one way of achieving a "serverless" architecture, and is typically used when building microservices applications.” — Wikipedia
- 19. @Chris__Bailey “Function as a service (FaaS) is a category of cloud computing services that provides a platform allowing customers to develop, run, and manage application functionalities without the complexity of building and maintaining the infrastructure typically associated with developing and launching an app. Building an application following this model is one way of achieving a "serverless" architecture, and is typically used when building microservices applications.” — Wikipedia
- 20. @Chris__Bailey “Function as a service (FaaS) is a category of cloud computing services that provides a platform allowing customers to develop, run, and manage application functionalities without the complexity of building and maintaining the infrastructure typically associated with developing and launching an app. Building an application following this model is one way of achieving a "serverless" architecture, and is typically used when building microservices applications.” — Wikipedia
- 21. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 21 Increasingfocusonbusinesslogic Decreasing concern over stack implementation FaaS 0..demand instances
- 22. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 22 Decreasing concern over stack implementation FaaS 0..demand instances SimplifiedDevandDeploy
- 23. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 23 FaaS 0..demand instances SimplifiedDevandDeploy Simplified Infrastructure and Scaling
- 24. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 24 FaaS 0..demand instances SimplifiedDevandDeploy Simplified Infrastructure and Scaling Servers
- 25. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 25 FaaS 0..demand instances SimplifiedDevandDeploy Simplified Infrastructure and Scaling Servers Functions • Simplified Development • Delegated framework stack
- 26. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 26 FaaS 0..demand instances SimplifiedDevandDeploy Simplified Infrastructure and Scaling Servers Functions • Simplified Development • Delegated framework stack Serverless • Scale on Demand • Delegated infrastructure
- 27. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 27 FaaS 0..demand instances SimplifiedDevandDeploy Simplified Infrastructure and Scaling Servers Functions • Simplified Development • Delegated framework stack Serverless • Scale on Demand • Delegated infrastructure FaaS • Functions development • Serverless deployment
- 28. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 28 FaaS 0..demand instances SimplifiedDevandDeploy Simplified Infrastructure and Scaling Servers Simplified Dev • Simplified Development • Delegated framework stack Serverless • Scale on Demand • Delegated infrastructure FaaS • Functions development • Serverless deployment
- 29. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 29 FaaS 0..demand instances SimplifiedDevandDeploy Simplified Infrastructure and Scaling Servers Simplified Dev • Simplified Development • Delegated framework stack Simplified Ops • Scale on Demand • Delegated infrastructure FaaS • Functions development • Serverless deployment
- 30. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 30 FaaS 0..demand instances SimplifiedDevandDeploy Simplified Infrastructure and Scaling Servers Simplified Dev • Simplified Development • Delegated framework stack Simplified Ops • Scale on Demand • Delegated infrastructure Simplified Dev and Ops • Functions development • Serverless deployment
- 31. @Chris__Bailey FaaS == Serverless + Functions
- 33. @Chris__Bailey https://thenewstack.io/what-aws-lambdas-performance-stats-reveal/ Functions Language usage on AWS Lambda
- 34. @Chris__Bailey https://thenewstack.io/what-aws-lambdas-performance-stats-reveal/ Functions • 67.6% using Node.js Language usage on AWS Lambda
- 35. @Chris__Bailey https://thenewstack.io/what-aws-lambdas-performance-stats-reveal/ Functions • 26.4% using Python • 67.6% using Node.js Language usage on AWS Lambda
- 36. @Chris__Bailey https://thenewstack.io/what-aws-lambdas-performance-stats-reveal/ Functions • 26.4% using Python • 67.6% using Node.js Language usage on AWS Lambda • 3.4% using Java
- 37. @Chris__Bailey37 OpenWhisk: 1 Action 1 Request 1 Container
- 38. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 38 OpenWhisk: 1 Action 1 Request 1 Container Request 1
- 39. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 39 Docker public static JsonObject main(JsonObject args) POST /init POST /run OpenWhisk: 1 Action 1 Request 1 Container Request 1
- 40. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 40 OpenWhisk: 1 Action 1 Request 1 Container Request 1 Docker public static JsonObject main(JsonObject args) POST /init POST /run
- 41. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 41 OpenWhisk: 1 Action 1 Request 1 Container Request Request 1 1 Docker public static JsonObject main(JsonObject args) POST /init POST /run
- 42. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 42 OpenWhisk: 1 Action 1 Request 1 Container Request Request 1 1 Docker public static JsonObject main(JsonObject args) POST /init POST /run Docker public static JsonObject main(JsonObject args) POST /init POST /run
- 43. @Chris__Bailey 13.7 8.764 1.629 0.5320.18 Cold Start: Framework Startup Times
- 44. @Chris__Bailey 13.7 8.764 1.629 0.5320.18 Cold Start: Framework Startup Times
- 45. @Chris__Bailey 13.7 8.764 1.629 0.5320.18 Cold Start: Framework Startup Times
- 46. @Chris__Bailey Quarkus http://github.com/quarkusio http://twitter.com/QuarkusIO https://quarkus.io
- 47. @Chris__Bailey 13.7 8.764 1.629 0.5320.18 Cold Start: Framework Startup Times
- 48. @Chris__Bailey 13.7 8.764 1.629 0.5320.18 Quarkus JVM Cold Start: Framework Startup Times
- 49. @Chris__Bailey 13.7 8.764 1.629 0.5320.18 Quarkus JVMQuarkus Native Cold Start: Framework Startup Times
- 50. @Chris__Bailey Quarkus http://github.com/quarkusio http://twitter.com/QuarkusIO https://quarkus.io
- 52. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 52 OpenWhisk: 1 Action 1 Request 1 Container Request Request 1 1 Docker public static JsonObject main(JsonObject args) POST /init POST /run Docker public static JsonObject main(JsonObject args) POST /init POST /run
- 53. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 53 Knative: Multiple Endpoints Multiple Requests 1 Container
- 54. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 54 Knative: Multiple Endpoints Multiple Requests 1 Container
- 55. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 55 Knative: Multiple Endpoints Multiple Requests 1 Container Request 1..100
- 56. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 56 Knative: Multiple Endpoints Multiple Requests 1 Container Request 1..100 Docker Docker Server Application JAR / WAR / EAR
- 57. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 57 Knative: Multiple Endpoints Multiple Requests 1 Container Request 1..100 Docker Docker Server Application JAR / WAR / EAR
- 58. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 58 Knative: Multiple Endpoints Multiple Requests 1 Container Request 1..100 Docker Docker Server Application JAR / WAR / EAR
- 59. @Chris__BaileyIBM Cloud / © 2018 IBM Corporation 59 Knative: Multiple Endpoints Multiple Requests 1 Container Request 1..100 Docker Docker Server Application JAR / WAR / EAR 1..100 Request Docker Docker Server Application JAR / WAR / EAR
- 60. @Chris__Bailey 1..100 IBM Cloud / © 2018 IBM Corporation 60 Request Request Knative: Multiple Endpoints Multiple Requests 1 Container 1..100 Docker Docker Server Application JAR / WAR / EAR Docker Docker Server Application JAR / WAR / EAR
- 67. @Chris__Bailey Functions Technical use cases for serverless:
- 68. @Chris__Bailey Functions • 73% for REST APIs Technical use cases for serverless:
- 69. @Chris__Bailey Functions • 23% for Mobile Backends • 73% for REST APIs Technical use cases for serverless:
- 71. @Chris__Bailey JAX-RS APIs Functions import javax.ws.rs.GET; import javax.ws.rs.Path; import javax.ws.rs.Produces; import javax.ws.rs.core.MediaType; @Path(“/hello/{name}“) public class HelloResource { @GET @Produces(MediaType.TEXT_PLAIN) public String hello(@PathParam(“name”) String name) { return “Hello“ + name; } }
- 73. @Chris__Bailey > appsody : CLI Continuous, Containerized: dev | test | debug | build | deploy 100% Open Source, Built on Standard Technologies Appsody Build Cloud-Native Apps using any language or framework
- 74. @Chris__Bailey : stacks > appsody : CLI Continuous, Containerized: dev | test | debug | build | deploy Pre-built, Cloud Optimized Shared through AppsodyHub 100% Open Source, Built on Standard Technologies Appsody Build Cloud-Native Apps using any language or framework
- 75. @Chris__Bailey : deploy: stacks > appsody : CLI Continuous, Containerized: dev | test | debug | build | deploy Pre-built, Cloud Optimized Shared through AppsodyHub Production deploy to Kubernetes Server or Serverless Scaling 100% Open Source, Built on Standard Technologies Appsody Build Cloud-Native Apps using any language or framework
- 76. @Chris__Bailey DockerDocker Appsody Stacks Cloud Packaged java Docker python Docker Application Functions Connect Application Functions Connect Application Functions JAX-RS Application Functions Flask Handler nodejs
- 77. @Chris__Bailey DockerDocker Appsody Stacks Cloud Packaged java Docker python Docker Application Functions Connect Application Functions Connect Application Functions JAX-RS Application Functions Flask Handler nodejs Cloud Native
- 78. @Chris__Bailey Docker Connect Docker Connect Appsody Stacks Cloud Functions Cloud Native Cloud Packaged java Docker JAX-RS python Docker Application FunctionsApplication Functions Application Functions Application Functions Flask Handler nodejs
- 79. @Chris__Bailey Docker Connect Docker Connect Appsody Stacks Cloud Functions Cloud Native Cloud Packaged java Docker JAX-RS python Docker Application FunctionsApplication Functions Application Functions Application Functions Flask Handler nodejs Optimized for Cloud Deployment •Containerization •Security •Oberservability •Scalability •etc
- 80. Appsody Stack > appsody Developer Appsody Hub Discover available Appsody Stacks appsody init Developer’s App run test debugDevelop in IDE Uses Appsody Stack git commit Developer's Git ProjectDeveloper’s App Save Changes Cloud Configured Appsody Stacks Cloud Platform Developer’s App appsody build appsody deploy Developer Workflow using Appsody Stacks