Digital Developer Conference: Hybrid Cloud
  • Introduction
  • Getting Started
    • Pre-work
  • Threat Modeling & Identity Management
    • Lecture
      • Threat Modeling
      • Identity Management
      • Prerequisites
    • Lab 1
      • Clone the repo
      • Creating App ID in IBM Cloud
      • Building the front end service
      • Deploying to OpenShift
      • Test the Simulator
  • Operator Workshop
    • Lecture
      • Introduction
    • Lab 2
      • Install the PostgreSQL Operator
      • Create an instance of a database
      • Load the schema
      • Expose and verify
  • Microservice Workshop
    • Lecture
      • Introduction
      • Prerequisites
    • Lab 3
      • Part 1
      • Part 2
  • Microservice Workshop (OSS)
    • Lecture
      • Introduction
      • Prerequisites
    • Lab
      • Database setup
      • Part 1
      • Part 2
  • Serverless Workshop
    • Introduction
      • Example Bank App Architecture
      • Serverless
      • Prerequisites
      • Quick Install - Identity Management, Operator, Microservices Workshops
    • Lab 4
      • Installing OpenShift Serverless
      • Installing Knative Serving
      • Clone the repo
      • Create an admin scoped user
      • Building the example serverless application
      • Configure Deployment file
      • Deploying to OpenShift Serverless
      • Test the Serverless App
      • Modify Serverless App
      • Conclusion
  • Service Mesh Workshop
    • ServiceMesh Lab
  • Pipelines (Tekton) Workshop
    • Lecture
      • What is tekton?
      • CI/CD
      • Explain tasks and pipelines
    • Lab 6
      • Cluster Setup
      • Install Pipeline
  • Resources
    • IBM Developer
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  1. Microservice Workshop
  2. Lecture

Introduction

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Last updated 4 years ago

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Microservices are an architectural approach to building applications. As an architectural framework, microservices are distributed and loosely coupled, so one team’s changes won’t break the entire app. The benefit to using microservices is that development teams are able to rapidly build new components of apps to meet changing business needs.

  • You can build polyglot microservices

  • Each microservice can be assigned to a team

  • Scale each independently

  • Can provide resiliency

The example bank application

The example bank system includes several microservices for handling user authentication and transaction mechanics.

This lab focuses on the java microservices components that is part of the Example Bank app.

  • Build and push Java Open Liberty Microservices

  • Deploying applications in an OpenShift cluster using container images from Docker Hub

  • Exposing and accessing your application in an OpenShift cluster

A live demo of the app:

https://credit-card.ibmdeveloper.net/
Example Bank App Architecture