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All LessonsFree Lessons (5)

Preface

Introduction Structure of the Course

Self-contained Systems

Introduction Definition An Example SCSs and Microservices Challenges Benefits & Variations Chapter Conclusion

Concept: Frontend Integration

Introduction Frontend: Monolith or Modular?Options Resource-oriented Client Architecture (ROCA)Benefits of ROCA Challenges Benefits Variations Chapter Conclusion

Recipe: Links and Client-side Integration

Introduction Overview Integration in Assurance App Other Integration Methods Example Variations Experiments Chapter Conclusion

Recipe: Server-side Integration using Edge Side Includes (ESI)

Introduction Example Varnish ESI in Order & Common Variations Experiments Chapter Conclusion

Concept: Asynchronous Microservices

Introduction Definition Data Replication, Bounded Contexts, & Protocols Events Event Sourcing Challenges: Inconsistencies & CAP Theorem More on Inconsistencies Other Challenges Advantages & Variations Chapter Conclusion

Recipe: Messaging and Kafka

Introduction Message-oriented Middleware (MOM)The Architecture of Kafka More on The Architecture of Kafka Even More on The Architecture of Kafka Events with Kafka Example: Introduction Example: Data Model Example: Technical Structure & Live App Example: Topics & Partitions Example: Testing & Other Data Formats Variations & Experiments Chapter Conclusion

Recipe: Asynchronous Communication with Atom and REST

Introduction The Atom Format Atom Caching Example Variations Experiments Chapter Conclusion

Concept: Synchronous Microservices

Introduction Definition Example Benefits & Challenges Variations Chapter Conclusion

Project

Create and Integrate Flask Microservices

Recipe: REST with the Netflix Stack

Introduction Example Eureka: Service Discovery Router: Zuul Load Balancing: Ribbon Resilience: Hystrix Resilience: Hystrix Implementation Variations Experiments Chapter Conclusion

Recipe: REST with Consul and Apache httpd

Service Discovery

Routing: Apache httpd

Consul Template

Consul and Spring Boot

DNS and Registrator

Chapter Conclusion

Concept: Microservices Platforms

Introduction Definition Variations Chapter Conclusion

Recipe: Docker Containers with Kubernetes

The Example with Kubernetes

The Example in Detail

Additional Kubernetes Features

Chapter Conclusion

Recipe: PaaS with Cloud Foundry

Introduction PaaS: Definition Cloud Foundry The Example with Cloud Foundry Variations & Experiments Serverless Chapter Conclusion

Project

Deploying a Web Application over Kubernetes

Appendix

Installation of the Environment Maven Commands Docker Installation and Docker Commands Docker and Docker Compose Commands Conclusion

Microservice Architecture: Practical Implementation/

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Variations

Variations

In this lesson, we'll look at some variations in Kubernetes.

We'll cover the following...

Kubernetes offers a runtime environment for Docker containers and is very flexible.

MOMs in Kubernetes #

The example in this chapter uses communication with REST. Of course, it is also possible to operate a MOM like Kafka (chapter 7) in Kubernetes.

However, MOMs store transmitted messages to guarantee delivery. Kafka even saves the complete history. Reliable storage of data in ...