Training - Microservice Development

Microservice Development Training

Architectural 8 hours

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Microservice architecture is a design pattern that divides a system into small services that can be developed, tested, deployed and scaled independently. Each service is focused on a specific business functionality and communicates with other services over well-defined APIs. As a result, the whole system becomes more flexible, scalable, and maintainable, allowing the organization to innovate and bring new features to market more rapidly.

The ABP platform provides a complete infrastructure for building microservice solutions. It also provides an advanced microservice solution template for starting a microservice system quickly.

In this training, you will learn to create, develop, run, test, deploy, and monitor microservice solutions with the ABP Platform.

Training Breakdown

Introduction
Getting Started with a New Microservice Solution
- Creating a new microservice solution using ABP Studio
- Exploring the initial solution: Applications, Gateways and Microservices
- Running the solution in ABP Studio
  - Understanding the docker dependencies
  - Understanding the execution order of applications
  - Browsing applications, gateways and services
  - Testing services with the Swagger UI
- Monitoring the applications and services
  - Exploring HTTP Requests
  - Distributed Events
  - Exceptions
  - Logs
- Understanding the development flow using ABP Studio's solution runner
- Deploying to Kubernetes
  - Building images with Docker
  - Installing Helm charts / Deploying to Kubernetes
  - Browsing the application in Kubernetes
- Connecting to the Kubernetes cluster
  - Explore and browse services
  - Explore databases
  - Understanding how Kubernetes connection works
- Understanding the development flow using Kubernetes integration
  - Intercepting a service
  - Developing, debugging and testing a service integrated into other services in Kubernetes
  - Re-deploying services to Kubernetes
Developing Microservice Solutions
- Creating a new catalog service
  - Integrating the new service to the solution / understanding the essential integration points
  - Understanding the structure of the new microservice
  - Browsing and testing the new microservice
  - Investigating the database structure of the new microservice
- Implementing the functionality of the new catalog service
  - Using ABP Suite to generate code for the catalog service
  - Using the new service from the user interface
- Building a new ordering service
  - Creating entities
  - Configuring the database mapping & migrations
  - Implementing application services
  - Implementing custom repositories
  - Consuming application services from the user interface
- Implementing integration services
  - Understanding the difference between application and integration services
  - Creating an integration service in the catalog microservice
  - Consuming the integration service in the ordering microservice
- Using distributed events
  - Defining event transfer objects
  - Using the distributed event bus class for publishing events
  - Subscribing to events
- Authoring unit tests for a microservice
Communication Between the Services
- API Calls
  - Integration Services / REST API Calls
    
    Exposing integration services
    
    Hiding behind API gateways
    
    Authentication & Authorization
    
    Understanding application services vs integration services
  - Using gRPC for inter-microservice communication
- Distributed events
  - Publishing events in services
  - Publishing events in aggregates
  - Understanding and using the pre-defined events (for built-in and custom entities)
  - Outbox/inbox pattern for distributed transactions
- Communication patterns
  - Using the distributed caching & invalidating the cached objects
  - Data duplication & synchronization
Understanding the Solution
- Exploring the folder structure of the solution
- Understanding the main components of the solution
  - Microservices
    
    Pre-built microservices
  - API Gateways
    
    YARP configuration & Proxy config filter
    
    Swagger configuration
    
    Swagger authentication
  - Web applications
    
    Authentication server
    
    Main web application
    
    Public website
  - Mobile applications
    
    Options: MAUI & React Native
    
    Features: Authentication, user management, profile management, settings, etc
- Built-in features
  - Authentication & Authorization
    
    Authentication flows
  - Database configuration
    
    DbContext setup
    
    Connection string mapping
    
    Database migrations
    
    Multi-Tenancy
  - Logging setup
  - Monitoring: Prometheus & Grafana configuration
  - Permissions, features and settings
  - Localization in a distributed environment
    
    Language management module
    
    Dynamic localization system
  - Background job configuration
    
    RabbitMQ integration
  - Background workers
  - Distributed locking
    
    The need for distributed locking
    
    The DistributedLock library & Redis integration
  - Distributed cache configuration
  - BLOB Storing configuration
    
    When and why it is used
    
    The Database provider
    
    Switching to another provider
  - CORS setup of the applications
- Helm charts & Kubernetes configuration
  - Using and customizing build and deployment scripts
Extending the Solution
- Adding new API gateways
- Adding new web applications
- Adding new modules and packages and managing their dependencies
Customizing Pre-built Modules
- Exploring pre-built modules
- Extending entities
- Overriding services
- Overriding UI pages & components
Architectural Discussions
- Monorepo & Multirepo approaches
- Modularizing the UI

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Microservice Development Training

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