Migrating to microservices (Carlos Queiroz)

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16 © 2015 Pivotal Software, Inc. All rights reserved. Patterns • Cloud-native application architectures • Optimized for speed, safety, & scale • Declarative configuration • Stateless/shared-nothing processes • Loose coupling to application environment

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17 © 2015 Pivotal Software, Inc. All rights reserved. 12 Factors (1/2) • One Codebase in Version Control • Explicit Dependencies • Externalized Config • Attached Backing Services • Separate Build, Release, and Run Stages • Stateless, Shared-Nothing Processes

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18 © 2015 Pivotal Software, Inc. All rights reserved. 12 Factors (2/2) • Export Services via Port binding • Scale Out Horizontally for Concurrency • Instances Should Be Disposable • Dev/Prod Parity • Logs Are Event Streams • Admin Processes

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21 © 2015 Pivotal Software, Inc. All rights reserved. Spring Boot • http://projects.spring.io/spring-boot • Opinionated convention over configuration • Production-ready Spring applications • Embed Tomcat, Jetty or Undertow • STARTERS • Actuator: Metrics, health checks , introspection

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22 © 2015 Pivotal Software, Inc. All rights reserved. Challenges of Distributed systems • Configuration Management • Service Registration & Discovery • Routing & Load Balancing • Fault Tolerance (Circuit Breakers!) • Monitoring • Concurrent API Aggregation & Transformation

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CNA Patterns

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CNA Patterns

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