update docs

README.md

@@ -9,6 +9,7 @@
 ### Prerequisites
 - Docker and Docker Compose installed
 - API key from [Anthropic](https://console.anthropic.com/) or [OpenAI](https://platform.openai.com/api-keys)
+- Microsoft Entra ID app registration (for authentication)
 
 ### Setup
 
@@ -21,15 +22,22 @@ cd devden
 2. **Configure environment variables**
 ```bash
 cp .env.example .env
-# Edit .env and add your API keys
+# Edit .env and add your API keys and Entra ID credentials
 ```
 
-3. **Start the services**
+3. **Set up Microsoft Entra ID** (Azure AD)
+   - Go to [Azure Portal - App Registrations](https://portal.azure.com/#view/Microsoft_AAD_RegisteredApps)
+   - Create a new app registration
+   - Add redirect URI: `http://localhost:3000/auth/callback`
+   - Generate a client secret under "Certificates & secrets"
+   - Copy Tenant ID, Client ID, and Client Secret to your `.env` file
+
+4. **Start the services**
 ```bash
 docker compose up -d --build
 ```
 
-4. **Access DevDen**
+5. **Access DevDen**
 - Frontend: http://localhost:3000
 - Backend API: http://localhost:8000
 - Health Check: http://localhost:8000/health
@@ -37,10 +45,19 @@ docker compose up -d --build
 ### Environment Variables
 
 Required variables in `.env`:
-```
+```bash
+# AI Providers (at least one required)
 ANTHROPIC_API_KEY=your_key_here    # For Claude
 OPENAI_API_KEY=your_key_here       # For OpenAI
 DEFAULT_PROVIDER=claude            # claude or openai
+
+# Microsoft Entra ID (required for authentication)
+ENTRA_TENANT_ID=your-tenant-id
+ENTRA_CLIENT_ID=your-client-id
+ENTRA_CLIENT_SECRET=your-client-secret
+
+# JWT (change in production)
+JWT_SECRET=generate-a-secure-random-string
 ```
 
 ---