Course of DDD in PHP

💸 First lesson available without registration!

Complete course on building PHP applications following the tactical and strategic patterns of DDD

What we will cover in this Domain-Driven Design course in PHP

• [Free] 📖 Project creation: Bounded Context and Submodules - Folder structure
  • 🎥 Welcome to the course: Objectives, what will you learn?
  • 🎥 Folder structure: DDD in PHP
• 📖 Application health check: Our first endpoint
  • 🎥 Create health check endpoint
  • 🎥 Dependency injection container: Controller as a service
  • 🎥 Adding acceptance tests with Behat
• 📖 Outside-in development: Implementing the use case for creating a course
  • 🎥 Implementing the endpoint and acceptance test
  • 🎥 Integrate PhpUnit for unit tests
  • 🎥 Implementing the use case and unit test
  • 🎥 Implementing the file-based repository and integration test
• 📖 Domain modeling: Course aggregate
  • 🎥 Using Request and Response objects to communicate with the Application Service
  • 🎥 Refactoring to UUIDs as identifiers
  • 🎥 Value Objects: Immutability and tips to speed up development
• 📖 Domain modeling: Implications in tests
  • 🎥 ObjectMother pattern for our tests
  • 🎥 More semantic tests
• 📖 Storing in a database with Doctrine
  • 🎥 Integrating Doctrine
  • 🎥 Mapping models in Doctrine: Custom Types vs Embeddables
  • 🎥 Implementing the repository for MySQL and integration test
  • 🎥 Discriminator Map with Hibernate
• 📖 Alternative: Repositories with Active Record - Eloquent
  • 🎥 Integrating Eloquent and differences between Active Record and Data Mapper
  • 🎥 DDD in Laravel: Hiding Eloquent in infrastructure
• 📖 Synchronous domain events with Symfony Messenger: Incrementing the total courses count
  • 🎥 Integrating Symfony Messenger and adapter interface EventBus
  • 🎥 Publishing and subscribing to domain events and acceptance test
  • 🎥 Idempotency in event consumption: Implementing the use case and unit test
• 📖 “Partial” testing: PhpUnit SimilarComparator
  • 🎥 Adding Mockery
  • 🎥 Testing repository storage with domain events in the aggregate
  • 🎥 Alternative: Publishing events from aggregates
• 📖 Asynchronous domain events - MySQL
  • 🎥 Storing domain events in MySQL
  • 🎥 Consuming domain events from MySQL
  • 🎥 Database polling to retrieve events
• 📖 Publishing scalable asynchronous domain events using RabbitMQ
  • 🎥 Publishing events to RabbitMQ from PHP
  • 🎥 Adding a fallback for publishing domain events
• 📖 Consuming events with RabbitMQ
  • 🎥 Automatically generating RabbitMQ configuration
  • 🎥 Consuming events from RabbitMQ in PHP
  • 🎥 Supervisord and PHP tips
  • 🎥 Error handling when consuming with RabbitMQ
• 📖 CQRS
  • 🎥 Integrating Symfony Messenger as Command Bus
  • 🎥 Refactoring by adding CQRS to Hexagonal Architecture
  • 🎥 Integration and refactor to Query Bus
• 📖 Bounded Contexts and modules
  • 🎥 Creating a Notifications module
  • 🎥 Promoting Notifications Module to Retention Bounded Context
• 📖 Web Frontend
  • 🎥 Setting up a new application: Backoffice Frontend
  • 🎥 Integration with Twig
  • 🎥 Displaying course count via query from Controller
  • 🎥 Creating a course: Where to place command validations
• 📖 Backoffice
  • 🎥 Course listing: Maintaining course projection
  • 🎥 Filtering elements: Criteria/Specification pattern
• 📖 Performance optimization in Read Model - Moving to NoSQL: Elasticsearch to the rescue
  • 🎥 First data import to Elasticsearch
  • 🎥 Keeping Elasticsearch projection synchronized
  • 🎥 Criteria/Specification pattern with Elasticsearch
• 📖 Performance optimization - Beyond Elasticsearch: MySQL optimizations, web caching, and more
• 📖 Authorization
• 📖 Frequently Asked Questions
• 📖 Conclusion and next steps