diff --git a/README.md b/README.md
index 504ab0b..6524463 100644
--- a/README.md
+++ b/README.md
@@ -30,24 +30,21 @@ sudo curl -o /opt/ts-netbox/serve-config.json https://gitea.arnodo.fr/Damien/net
 python3 -c "import secrets; print(secrets.token_urlsafe(50))"
 ```
 
-## Portainer Environment Variables
-
-| Variable | Description |
-|----------|-------------|
-| `TS_AUTHKEY` | Tailscale auth key (reusable, ephemeral recommended) |
-| `DB_PASSWORD` | PostgreSQL password for netbox user |
-| `SECRET_KEY` | Django secret key (generate with command above) |
-| `SUPERUSER_NAME` | Initial admin username |
-| `SUPERUSER_EMAIL` | Initial admin email |
-| `SUPERUSER_PASSWORD` | Initial admin password |
-| `SKIP_SUPERUSER` | Set to `true` after first deployment |
-
 ## Deployment
 
 1. Create a new stack in Portainer
-2. Point to this repository
-3. Configure environment variables
-4. Deploy
+2. Select "Repository" and point to this repository
+3. Portainer will load `stack.env` automatically
+4. Override sensitive values (`CHANGE_ME`) in the environment variables section:
+   - `TS_AUTHKEY` - Tailscale auth key (reusable recommended)
+   - `DB_PASSWORD` - PostgreSQL password
+   - `SECRET_KEY` - Django secret key
+   - `SUPERUSER_PASSWORD` - Initial admin password
+5. Deploy
+
+### After First Deployment
+
+Set `SKIP_SUPERUSER=true` to prevent superuser recreation on redeploy.
 
 ## Access