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@@ -1,3 +1,55 @@
 # WebAuthn Service
 
-A fully-functional reference implementation of **@simplewebauthn/server** and **@simplewebauthn/browser**.
+This is a fully-functional reference implementation of **@simplewebauthn/server** and **@simplewebauthn/browser**, using **Express** to handle the WebAuthn flows for registration and authentication (login).
+
+## Features
+
+- **User Registration** via WebAuthn
+- **User Authentication** via WebAuthn
+- HTTPS Support for secure origins
+- CSRF protection via **lusca**
+- Rate Limiting to prevent abuse
+- Handles both **resident key** and **non-resident key** options
+- Uses **CORS** for cross-origin requests
+
+## Requirements
+
+- Node.js (>=12.x)
+- SSL certificates for HTTPS (if enabled)
+- Environment configuration via `.env` file
+
+## Installation
+
+1. Clone the repository:
+
+    ```bash
+    git clone https://github.com/your-repo/webauthn-service.git
+    cd webauthn-service
+    ```
+
+2. Install dependencies:
+
+    ```bash
+    pnpm install
+    ```
+
+3. Create a `.env` file with the following environment variables:
+
+    ```env
+    RP_ID=["example.com"]    # Relying Party ID, can be an array
+    EXPECTED_ORIGINS=["https://example.com"]  # Expected origins for authentication
+    RP_NAME=My WebAuthn Service    # Name of your service
+    TIMEOUT=60000    # Timeout for registration/authentication flows
+    ENABLE_CONFORMANCE=true    # Enable conformance routes for FIDO Metadata Service
+    ENABLE_HTTPS=true    # Enable HTTPS mode for the service
+    ```
+
+## Usage
+
+### Start the Server
+
+To run the server, use the following command:
+
+```bash
+pnpm start
+```