The document discusses building cloud native applications using microservices on Pivotal Cloud Foundry. It introduces concepts like microservices, DevOps, continuous delivery and containers. It presents Spring Cloud and Spring Boot as frameworks for building cloud native applications and microservices. It includes demos and links to resources for migrating monolithic applications to microservices using Spring technologies on Cloud Foundry.

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Cloud Native Development using
Microservices on Pivotal CF
Mani Chandrasekaran
Advisory Consultant
@cmani

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Microservices

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Microservices
http://martinfowler.com/articles/microservices.html)

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Cloud Maturity Model
Source - https://twitter.com/wattersjames/status/664044293250641920

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5
Cloud Native
DevOps Continuous
Delivery
ContainersMicro services

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6
Cloud Native Framework
Contract: 12 Factor App
Contract: BOSH Release
Contract: Cloud Provider Interface
Culture
Dev
Dev IT Ops
Tools
Spring Cloud Spring Boot
Cloud Foundry
BOSH
AWS VMware OpenStack
Application Framework
Runtime Platform
Infrastructure Automation
Infrastructure
IT Ops
IT Ops

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7
Spring Cloud Spring Boot
Dev
Spring Boot
From 0 to app in < 5 min
Spring Cloud
Designed for fragile infrastructure in
partnership with Netflix
Application Framework

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Cloud Native App Dev Framework
Spring Cloud
• Runtimes and their client
libraries for:
– Service Discovery
– Configuration Management
– Circuit Breakers
– Intelligent Client Side Routing
– Reverse Proxies
– ….and much more
• Security (encrypt, SSO, roles)
Spring Boot
• Convention-over-configuration,
no XML, no code generation
• Auto-configure, embedded
servlet engine
• Get out of the way quickly if
you want to change defaults
• Service Binding for Cloud
Foundry, Java, Spring, Groovy

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Demo – Spring Boot
Migrating a Monolithic app to Cloud Native
Source – https://github.com/jholmes2001/spring-boot-cities

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Demo – Spring Boot – Introspection, Monitoring and Healthchecks
Source – https://github.com/jholmes2001/spring-boot-cities
• metrics
• http://<<microservice-app-on-springboot>>/metrics
• trace
• http://<<microservice-app-on-springboot>>/trace
• dump
• http://<<microservice-app-on-springboot>>/dump
• health
• http://<<microservice-app-on-springboot>>/health

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Spring Boot - Metrics

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Demo – Spring Cloud using Fortune app
https://github.com/spring-cloud-samples/fortune-teller

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Eureka – Microservice service registry

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Spring Cloud – Hysterix circuit breaker

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Resources
• MicroPCF - https://github.com/pivotal-cf/micropcf
• 12 factor app -
http://www.slideshare.net/SpringCentral/12-factor-cloud-native-apps-for-spring-
developers
• Spring Boot - http://projects.spring.io/spring-boot/
• Spring Cloud - http://projects.spring.io/spring-cloud/
• https://github.com/spring-cloud-samples
• https://github.com/spring-projects/spring-boot/tree/master/spring-boot-samples
• https://github.com/jholmes2001/spring-boot-cities
• Bangalore cloud foundry meetup -
http://www.meetup.com/Bangalore-Cloud-Foundry-Meetup/