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Playing with Cloud Native Patterns Nebrass Lamouchi

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Me, Myself & I • Senior Software Engineer at Microsoft • Groundbreaker Awards 2019 Winner • Former de la NetBeans Dream Team • OWASP Project Leader depuis 2013 • Three Books author

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Agenda • Presentation • What is the need for microservices? • How do we get them ? • How do we make them ?

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Presentation

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Then ?

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Getting bigger and bigger?!

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Solution: Microservices Separation of concerns Simplicity High performance

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How to split the application?

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Before

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After

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Which recipe ?

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Cloud Patterns • Externalized configuration • Service discovery and registration • Circuit Breaker • Database per service • API gateway • CQRS & Event sourcing • Log aggregation • Distributed tracing • Audit logging • Application metrics • Health check API

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Externalized configuration

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Service discovery and registration

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Circuit Breaker

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Database per service

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API gateway

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CQRS & Event sourcing

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Log aggregation

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Distributed tracing

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Audit logging

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Application metrics

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Health check API

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What about Kubernetes ?

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What about Kubernetes ? Pattern Kubernetes Externalized configuration ✅ ConfigMaps + Secrets Service discovery and registration ✅ Services Circuit Breaker ✅ Service Mesh (Istio) Database per service ❌ Non-Applicable API gateway ✅ Ingress CQRS & Event sourcing ❌ Non-Applicable Log aggregation ✅ ELK Operator Distributed tracing ✅ Service Mesh (Istio) Audit logging ✅ Service Mesh (Istio) Application metrics ✅ Grafana + Prometheus Health check API ✅ Readiness & Liveness probes

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« The art of delegation is one of the key skills any entrepreneur must master. » Richard Branson

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