docs: add docker compose quickstart

README.md

@@ -236,7 +236,17 @@ The application automatically selects the appropriate database strategy:
 
 ## 🐳 Docker Development
 
-### **Build and Run**
+### **Docker Compose Quickstart**
+
+```bash
+docker compose up --build
+```
+
+- Serves the production build at [http://localhost:8080](http://localhost:8080)
+- Spins up CouchDB at [http://localhost:5984](http://localhost:5984) using credentials from `.env`
+- Applies CORS settings from `couchdb-config/cors.ini` (update the allowed `origins` for custom domains)
+
+### **Manual Build and Run**
 
 ```bash
 # Build Docker image