TDC Transformation 2021 - A practical demo of Java apps in a cloud environment

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Java in the cloud A practical overview with tips and best practices Karina M. Varela Principal Technical Marketing Manager

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● Have been working with Java in different role over +10y ✓ Dev / Project Lead ✓ Middleware Consultant / Architect ✓ Technical Marketing ● Multiple community involvement ✓ SouJava - Biggest Java community in the world ✓ KIE Community ● Share is always better ✓ Blog: http://kvarela.me About the Speaker 2 Karina Varela @kmacedovarela @kvarel4 @kmacedovarela

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Parking Violation Drivers can't park in parking slots or specific buildings without legal permission. Speed Violation Drivers can't drive over the speed limit of the street or road. Use Case - Traffic Violation Driving under the influence of Alcohol Violation Driver's are not allowed to drive under the influence of alcohol.

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MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE F F F F F F F F Cloud-native Applications OpenShift

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MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE F F F F F F F F Cloud-native Applications OpenShift

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MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE F F F F F F F F Cloud-native Applications OpenShift

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MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE F F F F F F F F Cloud-native Applications OpenShift

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MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE F F F F F F F F Cloud-native Applications JVM or native Quarkus Knowledge (Executable Model) Domain API OpenShift

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MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE MICRO SERVICE F F F F F F F F Cloud-native Applications OpenShift - Native mode or JVM? - Event-driven architectures? - Managed services?

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Demo Overview 12 Event driven decisioning For the hybrid cloud environments Kafka cluster topics consumers producers OpenShift Container Platform Microservices Serverless Decisioning Event Streaming by Managed Kafka Supersonic subatomic Quarkus Native compilation by Quarkus Serverless execution with Knative Event-driven decision with Kogito

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Red Hat Developer Interactive Learning Portal Recommended: https://red.ht/rhpam https://red.ht/TryKafka https://blog.kie.org/ Find out more at

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linkedin.com/company/red-hat youtube.com/user/RedHatVideos facebook.com/redhatinc twitter.com/RedHat Red Hat is the world’s leading provider of enterprise open source software solutions. Award-winning support, training, and consulting services make Red Hat a trusted adviser to the Fortune 500. Thank you 14