Update README

README.md

@@ -1,12 +1,99 @@
 # COOPGO Fleets
 
-COOPGO Fleets is a vehicle management and booking service.
+COOPGO Fleets is a vehicle fleet management microservice providing vehicle and booking management capabilities.
 
-It provides :
+## Features
 
-- a gRPC API to manage fleets of vehicles and bookings
-- availability information on véhicles
-- a flexible data schema to push any information on vehicles or bookings
+- gRPC API for vehicle and booking management
+- Vehicle availability tracking with booking integration
+- Flexible data schema for custom vehicle and booking attributes
+- Soft delete for bookings with metadata preservation
+- Multi-namespace support for fleet isolation
+- Vehicle filtering by type, administrator, and availability
 
-It is not a full featured booking platform but just a microservice intended to be used as part of a bigger platform, like the COOPGO Technical Platform. It doesn't provide any king of booking UI or management interface.
+## Architecture
 
+This microservice is designed to be part of the COOPGO Technical Platform. It does not provide a UI or management interface.
+
+```
+├── grpcapi/     # gRPC server and protocol definitions
+├── handlers/    # Business logic
+└── storage/     # Database access layer (MongoDB, PostgreSQL)
+```
+
+## Configuration
+
+Configuration is managed via Viper. Create a `config.yaml` file or use environment variables.
+
+### Default configuration
+
+```yaml
+name: "COOPGO Fleets"
+dev_env: false
+
+storage:
+  db:
+    type: mongodb  # or "psql"
+  mongodb:
+    host: localhost
+    port: "27017"
+    db_name: coopgo_platform
+    collections:
+      vehicles: fleet_vehicles
+      bookings: fleet_bookings
+
+services:
+  grpc:
+    enable: true
+    port: 8093
+```
+
+### Environment variables
+
+Use underscore-separated uppercase names: `STORAGE_DB_TYPE`, `SERVICES_GRPC_PORT`, etc.
+
+## Storage backends
+
+- **MongoDB** (default)
+- **PostgreSQL** (with Atlas migrations)
+
+## Build
+
+```bash
+go build
+```
+
+## Docker
+
+```bash
+docker build \
+  --build-arg ACCESS_TOKEN_USR=<user> \
+  --build-arg ACCESS_TOKEN_PWD=<password> \
+  -t coopgo-fleets .
+```
+
+## gRPC API
+
+### Vehicles
+
+| Method | Description |
+|--------|-------------|
+| `AddVehicle` | Create a new vehicle |
+| `GetVehicle` | Get a vehicle by ID (includes bookings) |
+| `GetVehicles` | List vehicles with filters |
+| `UpdateVehicle` | Update vehicle data |
+
+### Bookings
+
+| Method | Description |
+|--------|-------------|
+| `CreateBooking` | Create a booking |
+| `GetBooking` | Get a booking by ID |
+| `GetBookings` | List all bookings |
+| `GetDriverBookings` | Get bookings for a driver |
+| `UpdateBooking` | Update a booking |
+| `DeleteBooking` | Soft delete a booking |
+
+## License
+
+See [LICENSE.md](LICENSE.md)