chore: update self hosting docs in readme

README.md

@@ -45,6 +45,16 @@ See our [roadmap](https://kan.bn/kan/roadmap) for upcoming features.
 - [Drizzle ORM](https://orm.drizzle.team/?ref=kan.bn)
 - [React Email](https://react.email/?ref=kan.bn)
 
+## Self Hosting (under construction) 🐳
+
+Deploy Kan with Docker using our pre-built image:
+
+```bash
+docker pull ghcr.io/kanbn/kan:latest && docker run -it -p 3000:3000 --env-file .env ghcr.io/kanbn/kan:latest
+```
+
+Make sure to create a `.env` file with the required environment variables (see the Environment Variables section below).
+
 ## Local Development 🧑‍💻
 
 1. Clone the repository (or fork)
@@ -75,7 +85,7 @@ pnpm dev
 ## Environment Variables 🔐
 
 | Variable                         | Description                   | Required          | Example                                       |
-| -------------------------------- | ----------------------------- | ---------------- | --------------------------------------------- |
+| -------------------------------- | ----------------------------- | ----------------- | --------------------------------------------- |
 | `POSTGRES_URL`                   | PostgreSQL connection URL     | Yes               | `postgres://user:pass@localhost:5432/db`      |
 | `EMAIL_FROM`                     | Sender email address          | Yes               | `"Kan <hello@mail.kan.bn>"`                   |
 | `SMTP_HOST`                      | SMTP server hostname          | Yes               | `smtp.resend.com`                             |