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Thomas Vitale GOTO Copenhagen Oct 5th, 2022 Inner Development Loop With Java on Kubernetes @vitalethomas

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Systematic • Software Architect at Systematic, Denmark. • Author of “Cloud Native Spring in Action” (Manning). • OSS contributor (Java, Spring, Cloud Native Technologies) Thomas Vitale thomasvitale.com @vitalethomas

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Inner Development Loop #GOTOcph @vitalethomas CODE RUN TEST DEBUG

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Developer Experience #GOTOcph @vitalethomas

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#GOTOcph @vitalethomas Developer Experience “Top of mind for everyone”

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Developer Experience “…developer experience could be defined as a means for capturing how developers think and feel about their activities within their working environments, with the assumption that an improvement of the developer experience has positive impacts on characteristics such as sustained team and project performance.” (F. Fagerholm, J. Münch) Developer Experience: Concept and De fi nition (F. Fagerholm, J. Münch) #GOTOcph @vitalethomas

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Developer Experience: Concept and De fi nition (F. Fagerholm, J. Münch) Developer Experience Conceptual Framework #GOTOcph @vitalethomas

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Value #GOTOcph @vitalethomas

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Developer Experience Tools are not enough ORGANIZATION PROCESSES TECHNOLOGY CULTURE #GOTOcph @vitalethomas

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Technologies Developer experience with Java on Kubernetes #GOTOcph @vitalethomas

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Team Topologies Organisational design for software #GOTOcph @vitalethomas

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Continuous Delivery Better software faster #GOTOcph @vitalethomas

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Development Workflow #GOTOcph @vitalethomas

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Development Workflow Inner Loop and Outer Loop Inner Loop ‣Code ‣Run ‣Test ‣Debug Outer Loop ‣CI/CD ‣Compliance, security ‣Con fi guration, monitoring ‣Production deployment git push #GOTOcph @vitalethomas

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Inner Development Loop Code, build, test E ffi cient Inner Development Loops for Cloud Native Applications https://www.getambassador.io/resources/inner-dev-loop/ #GOTOcph @vitalethomas

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Goals 2 Reduced cognitive load 3 Clear path to production 1 Rapid and continuous feedback loop #GOTOcph @vitalethomas

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Cloud Native #GOTOcph @vitalethomas

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From Traditional to Cloud Native Application Server, Embedded Server Runtime (JVM) Middleware (Application Server) Application (WAR/EAR) Runtime (JVM) Application (JAR) #GOTOcph @vitalethomas

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Containers #GOTOcph @vitalethomas

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Moving to Containers Application Server, Embedded Server, Container Runtime (OCI) Application (Container) #GOTOcph @vitalethomas Runtime (JVM) Middleware (Application Server) Application (WAR/EAR) Runtime (JVM) Application (JAR)

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Cloud Native Buildpacks #GOTOcph @vitalethomas

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Image pack build Cloud Native Buildpacks From source code to container image #GOTOcph @vitalethomas

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Cloud Native Buildpacks From source code to container image #GOTOcph @vitalethomas

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Kubernetes #GOTOcph @vitalethomas

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Moving to Kubernetes Application Server, Embedded Server, Container, Kubernetes Runtime (OCI) Middleware (Kubernetes) Application (Container) #GOTOcph @vitalethomas Runtime (JVM) Middleware (Application Server) Application (WAR/EAR) Runtime (JVM) Application (JAR) Runtime (OCI) Application (Container)

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Tilt #GOTOcph @vitalethomas

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Tilt Continuous development on Kubernetes #GOTOcph @vitalethomas

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Tilt Continuous development on Kubernetes #GOTOcph @vitalethomas

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Skaffold #GOTOcph @vitalethomas

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Skaffold Continuous development on Kubernetes #GOTOcph @vitalethomas

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Telepresence #GOTOcph @vitalethomas

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Telepresence Local-to-remote bridges for fast iterations #GOTOcph @vitalethomas

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Knative #GOTOcph @vitalethomas

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Knative Serverless experience on Kubernetes #GOTOcph @vitalethomas

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Serverless Architectures Developers focus on code Focus on business logic Developer Platform Infrastructure Provisioning Workload Management Dynamic Scaling #GOTOcph @vitalethomas

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Knative Serving Serverless Experience on Kubernetes Developer-friendly abstractions From image to URL Autoscaling Scaling to zero Progressive Rollouts Request-driven Event-driven Cloud agnostic #GOTOcph @vitalethomas

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Argo CD #GOTOcph @vitalethomas

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Argo CD Continuous Deployment with GitOps #GOTOcph @vitalethomas

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Goals 2 Reduced cognitive load 3 Clear path to production 1 Rapid and continuous feedback loop #GOTOcph @vitalethomas

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Configuration Management #GOTOcph @vitalethomas

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Configuration Management On Kubernetes #GOTOcph @vitalethomas

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https://carvel.dev

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Capabilities over responsibilities #GOTOcph @vitalethomas

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#GOTOcph @vitalethomas Developer

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#GOTOcph @vitalethomas Developer Platform ?

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#GOTOcph @vitalethomas Developer Platform ?

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#GOTOcph @vitalethomas Developer Platform

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Cartographer #GOTOcph @vitalethomas

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Cartographer Golden paths to production #GOTOcph @vitalethomas

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Delivering Value From code to production Developer App Repo Production Application Operator Security Expert Platform Engineer

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Goals 2 Reduced cognitive load 3 Clear path to production 1 Rapid and continuous feedback loop #GOTOcph @vitalethomas

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Resources #GOTOcph @vitalethomas

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Resources Source code • Presentation source code • Kadras: Application Platform Toolkit • The developer experience and the inner dev loop • Docker fi les vs. Cloud Native Buildpacks • Knative and Spring: Bringing back the func • Developer Work fl ow • Software Supply Chain Choreography #GOTOcph @vitalethomas

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https://github.com/ThomasVitale/awesome-spring

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Discount codes Manning • 35% discount code, valid for all products in all format • ctwgotocph22 • manning.com thomasvitale.com @vitalethomas

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Thomas Vitale GOTO Copenhagen Oct 5th, 2022 Inner Development Loop With Java on Kubernetes @vitalethomas