Update README with correct Docker volume paths

README.md

@@ -19,12 +19,31 @@ Telegram doesn't support simple Webhooks natively for users. The easiest way is
 
 *Note: The app sends notifications automatically whenever a booking is deleted.*
 
+## 🐳 Deployment (Docker)
 
-Open [http://localhost:3000](http://localhost:3000) with your browser to see the result.
+The easiest way to host the Cat Sitting Planner is via Docker.
 
-You can start editing the page by modifying `app/page.tsx`. The page auto-updates as you edit the file.
+### 1. Build & Run
+```bash
+docker-compose up -d --build
+```
 
-This project uses [`next/font`](https://nextjs.org/docs/app/building-your-application/optimizing/fonts) to automatically optimize and load [Geist](https://vercel.com/font), a new font family for Vercel.
+### 2. Persist Data
+The database is stored in `/app/data/dev.db` inside the container. To persist your plans and bookings, map a volume to `/app/data`:
+
+**Example `docker-compose.yml` volume:**
+```yaml
+volumes:
+  - ./data:/app/data
+```
+
+If you are using Unraid or a custom path:
+```yaml
+volumes:
+  - /mnt/user/appdata/csp:/app/data
+```
+
+---
 
 ## Learn More
 
@@ -34,9 +53,3 @@ To learn more about Next.js, take a look at the following resources:
 - [Learn Next.js](https://nextjs.org/learn) - an interactive Next.js tutorial.
 
 You can check out [the Next.js GitHub repository](https://github.com/vercel/next.js) - your feedback and contributions are welcome!
-
-## Deploy on Vercel
-
-The easiest way to deploy your Next.js app is to use the [Vercel Platform](https://vercel.com/new?utm_medium=default-template&filter=next.js&utm_source=create-next-app&utm_campaign=create-next-app-readme) from the creators of Next.js.
-
-Check out our [Next.js deployment documentation](https://nextjs.org/docs/app/building-your-application/deploying) for more details.