Example: User Registration Module

Complete example of building a User Registration module with hexagonal architecture.

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Overview

We’ll build a user registration system with:

• Email validation
• Password hashing
• Duplicate email prevention
• Email confirmation workflow

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Step 1: Generate Structure

# Domain
bin/console make:hexagonal:entity user/account User --with-repository --with-id-vo
bin/console make:hexagonal:value-object user/account Email
bin/console make:hexagonal:exception user/account InvalidEmailException
bin/console make:hexagonal:exception user/account UserAlreadyExistsException

# Application
bin/console make:hexagonal:command user/account register --factory --with-tests
bin/console make:hexagonal:query user/account find-by-email

# UI
bin/console make:hexagonal:controller user/account RegisterUser /users/register --with-workflow

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Step 2: Complete Implementation

See full implementation in the Quick Start Guide.

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Complete Example

For a fully working example with all code, see the repository examples directory.