update docker deployment and changing seed kandang name

backend/README.md

@@ -26,23 +26,22 @@ npm run dev
 # or: python manage.py runserver 0.0.0.0:8000
 ```
 
-Seed creates user `admin` / `admin123`, then seeds the default Sukawarna demo data — **Kandang 4** and **Kandang 5** closed cycles (49 days each, 22 May – 9 Jul 2026) with full daily records and IoT panels. A manager login `skw_manager` / `skw_manager123` is created too. It also prints a one-time API key.
+Seed creates user `admin` / `admin123`, then seeds the default Sukawarna demo data — **Kandang 1** and **Kandang 2** closed cycles (49 days each, 22 May – 9 Jul 2026) with full daily records and IoT panels. A manager login `skw_manager` / `skw_manager123` is created too. It also prints a one-time API key.
 
 ## Docker Compose
 
-```bash
-cp dashboard-new-v2/backend/.env.example dashboard-new-v2/backend/.env
-# edit KARUNG_WEB_ADMIN_BASE_URL as needed
-docker compose up --build
-```
-
-Production Postgres:
+From the project root (`dashboard-new-v2/`):
 
 ```bash
-# set DB_ENGINE=django.db.backends.postgresql and DB_* in dashboard-new-v2/backend/.env
-docker compose --profile prod up --build
+cp docker/.env.example .env
+docker compose up -d --build
+docker compose exec api python manage.py bootstrap_admin
 ```
 
+Production bootstrap creates superadmin only (no demo cycles). Dev demo: `python manage.py seed_demo`.
+
+See [../DOCKER.md](../DOCKER.md) for ports, cron, and troubleshooting.
+
 ## Auth
 
 - **Session:** `POST /api/v1/auth/login/` then send session cookie + `X-CSRFToken` on writes