docs: Add dashboard and database access credentials

SETUP.md

@@ -85,10 +85,21 @@
 
 ### Dashboard Access
 
-If Supabase Studio is exposed on Coolify:
-- URL: Check Coolify service configuration
-- Username: From `SERVICE_USER_ADMIN` in Coolify
-- Password: From `SERVICE_PASSWORD_ADMIN` in Coolify
+**Supabase Studio:**
+- URL: `https://supabasekong-ewo8wssk4gs8cgg0c8kosk40.jeanlucmakiola.de` (check Coolify for Studio port/subdomain)
+- Username: `wJZbjs3Yd5P63cs9`
+- Password: `Qv3byDujNzYe8r7YRxhNwh3DPTvZBWtN`
+
+**Direct PostgreSQL Access** (for migrations/debugging):
+- Host: `supabase-db` (or Coolify service FQDN)
+- Database: `postgres`
+- User: `postgres`
+- Password: `55P0NVRUltRqzZYksuXTFli5iXwbQvgu`
+- Port: `5432`
+
+**MinIO (Storage):**
+- Admin User: `EaTXrXvjo1R4hsaI`
+- Admin Password: `gCZOphxAExNC17GYFwtw60WzTU0P8HW8`
 
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