docs: update README to reflect Phase 3 completion

README.md

@@ -7,12 +7,10 @@ designed with **Domain-Driven Design (DDD)** principles and a strict layered arc
 
 ## Architecture
 
-```
 src/Chess/
 ├── Domain/         # Pure PHP business logic — zero framework dependency
 ├── Application/    # Command/Query handlers (CQRS via Symfony Messenger)
 └── Infrastructure/ # Doctrine, Symfony controllers, API serialization
-```
 
 **Dependency rule:** dependencies always point inward toward the Domain.
 
@@ -33,9 +31,35 @@ src/Chess/
 
 ---
 
+## API Endpoints
+
+| Method | Endpoint | Description |
+|---|---|---|
+| `POST` | `/api/games` | Start a new game |
+| `GET` | `/api/games/{id}` | Get current game state |
+| `POST` | `/api/games/{id}/moves` | Play a move |
+
+### Example
+
+```bash
+# Start a game
+curl -X POST http://localhost:8000/api/games
+
+# Get game state
+curl http://localhost:8000/api/games/{gameId}
+
+# Play a move
+curl -X POST http://localhost:8000/api/games/{gameId}/moves \
+  -H "Content-Type: application/json" \
+  -d '{"from": "e2", "to": "e4"}'
+```
+
+---
+
 ## Stack
 
 - PHP 8.4 / Symfony 8.1
+- Doctrine ORM / PostgreSQL
 - PHPUnit 13 / PHPStan 2.2
 - Docker / GitHub Actions
 
@@ -47,7 +71,9 @@ src/Chess/
 git clone https://github.com/florentdevk/chess-api.git
 cd chess-api
 composer install
-php bin/phpunit
+docker compose up -d
+php bin/console doctrine:migrations:migrate
+symfony server:start
 ```
 
 ---
@@ -57,5 +83,5 @@ php bin/phpunit
 - [x] Phase 0 — Project setup (Symfony skeleton, CI, PHPStan, CS Fixer)
 - [x] Phase 1 — Domain modeling (Value Objects, Entities, Aggregate Root)
 - [x] Phase 2 — Application layer (CQRS, Symfony Messenger)
-- [ ] Phase 3 — Infrastructure (Doctrine, REST API)
+- [x] Phase 3 — Infrastructure (Doctrine, REST API, Docker)
 - [ ] Phase 4 — PHPStan level 8, OpenAPI docs