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Microservice Architecture: Practical Implementation

Experiments

Explore how to supplement microservices by adding new services registered with Eureka and accessed through Ribbon. Understand Docker packaging and container linking for service discovery. Practice scaling and load balancing of services, simulate failures to observe circuit breakers with Hystrix, and extend Zuul routing and filtering. Gain hands-on experience by creating and integrating your own microservice into the Docker and Eureka ecosystem.

We'll cover the following...

Try the experiments in the following widget! #

version: '3'
services:
  eureka:
    image: educative1/mapi_ms_eureka
    ports:
      - "8761:8761"
  customer:
    image: educative1/mapi_ms_customer
    links:
     - eureka
  catalog:
    image: educative1/mapi_ms_catalog
    links:
     - eureka
  order:
    image: educative1/mapi_ms_order
    links:
     - eureka
  zuul:
    image: educative1/mapi_ms_zuul  
    links:
     - eureka
    ports:
      - "8080:8080"
  turbine:
    image: educative1/mapi_ms_turbine
    links:
     - eureka
    ports:
      - "8989:8989"

Additional microservice #

Supplement the system with an additional microservice.

  • A microservice that is used by a call center agent to create notes for a call can be used as an example. The call center agent should be able to select the customer.

  • You can copy and modify one of the existing microservices. microservices.

  • Register the microservice in Eureka.

  • The customer microservice must be called via Ribbon. The microservice will be found automatically via Eureka, otherwise, the microservice must be looked up explicitly in Eureka.

  • Package the microservice in a Docker image and add the image to docker-compose.yml. There you can also determine the name of the Docker container.

  • Create a link in docker-compose.yml from the container with the new service to the container eureka ...