Easy Microservices with K8s & Istio

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@sendilkumarn Ola, Mexico

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@sendilkumarn Easy Microservices with Kubernetes & Istio

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@sendilkumarn Sendil Kumar

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@sendilkumarn

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@sendilkumarn Agenda Why Microservices? Kubernetes Istio JHipster

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@sendilkumarn Agenda Why Microservices? Kubernetes Istio JHipster

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@sendilkumarn Monoliths are simple

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@sendilkumarn Monoliths are faster

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@sendilkumarn Monoliths tied to one stack

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@sendilkumarn Monoliths reduces scalability

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@sendilkumarn Microservices are scalable

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@sendilkumarn Microservices Various technology

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@sendilkumarn Microservices respond faster

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@sendilkumarn Fault Isolation

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@sendilkumarn Granular scaling

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@sendilkumarn But...

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@sendilkumarn

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@sendilkumarn Store Notification Product Invoice

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@sendilkumarn Store Notification Product Invoice Replicas Container Hardware Runtime OS

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@sendilkumarn Start with Monoliths, before venturing into Microservices land....

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@sendilkumarn

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@sendilkumarn Agenda Why Microservices? Kubernetes Istio JHipster

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@sendilkumarn Store Notification Product Invoice Replicas Container Hardware Runtime OS DOCKER

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@sendilkumarn DOCKER ✅ Self-contained images ✅ Complete portability ❌ Managing the infrastructure ❌ When and how to run

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@sendilkumarn Store Notification Product Invoice Replicas DOCKER Container Hardware Runtime OS DOCKER

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@sendilkumarn Kubernetes ✅ Automate deployment ✅ Scale (up/down/in/out) ✅ Manage the application ❌ Authorize & Authenticate ❌ complete service discovery Decouple the infrastructure completely

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@sendilkumarn K8s yaml files state “running state” of application.

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@sendilkumarn Store Notification Product Invoice Replicas DOCKER

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@sendilkumarn Store Notification Product Invoice

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@sendilkumarn Agenda Why Microservices? Kubernetes Istio JHipster

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@sendilkumarn Store Notification Product Invoice Service Mesh

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@sendilkumarn ❌ Control ❌ Manage ❌ Secure ❌ Connect

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@sendilkumarn Istio ✅ Control ✅ Manage ✅ Secure ✅ Connect Without any server changes

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@sendilkumarn Store Proxy Envoy Proxy

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@sendilkumarn Store Notification Product Invoice

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@sendilkumarn Agenda Why Microservices? Kubernetes Istio JHipster

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@sendilkumarn JHipster

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@sendilkumarn JHipster is a development platform to quickly generate, develop, & deploy modern web applications.

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@sendilkumarn

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@sendilkumarn

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@sendilkumarn Microservice Gateway Microservice Applications

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@sendilkumarn

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@sendilkumarn Consul JHipster Registry Consistency over Availability Multi-node cluster Availability over Consistency Spring Eureka + Cloud config

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@sendilkumarn Store Notification Invoice Product Microservice Gateway Microservice Application