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+# Sheetless Server
+
+A Go-based server for hosting and managing PDF music sheets with user authentication.
+
+## Features
+
+- User registration and JWT-based authentication
+- Upload, list, and download PDF music sheets
+- SQLite database for data persistence
+- RESTful API with Gin framework
+
+## API Endpoints
+
+### Authentication
+- `POST /auth/register` - Register a new user
+- `POST /auth/login` - Login and get JWT token
+
+### Music Sheets (requires authentication)
+- `POST /api/sheets/upload` - Upload a PDF music sheet
+- `GET /api/sheets` - List all music sheets
+- `GET /api/sheets/download/:id` - Download a specific sheet
+
+## Development Setup
+
+1. Enter the development environment:
+   ```bash
+   nix develop
+   ```
+
+2. Download dependencies:
+   ```bash
+   go mod tidy
+   ```
+
+3. Run the server:
+   ```bash
+   go run main.go
+   ```
+
+## Building
+
+To build the project:
+```bash
+go build -o sheetless-server main.go
+```
+
+## Usage Examples
+
+### Register a user:
+```bash
+curl -X POST http://localhost:8080/auth/register \
+  -H "Content-Type: application/json" \
+  -d '{"username":"testuser","email":"test@example.com","password":"password123"}'
+```
+
+### Login:
+```bash
+curl -X POST http://localhost:8080/auth/login \
+  -H "Content-Type: application/json" \
+  -d '{"username":"testuser","password":"password123"}'
+```
+
+### Upload a sheet (replace TOKEN with actual JWT):
+```bash
+curl -X POST http://localhost:8080/api/sheets/upload \
+  -H "Authorization: Bearer TOKEN" \
+  -F "title=My Sheet" \
+  -F "file=@sheet.pdf"
+```
+
+### List sheets:
+```bash
+curl -H "Authorization: Bearer TOKEN" http://localhost:8080/api/sheets
+```