build fix 11

docs/DOCKER.md

@@ -407,6 +407,21 @@ Expected response:
 HTTP/1.1 401 Unauthorized
 ```
 
+When CI builds on the VPS and pushes directly to the local registry, `DEPLOY_REGISTRY_HOST` in `.gitea/workflows/build-and-deploy.yml` must include the registry port, for example `10.0.0.4:5000`. Because the local registry is plain HTTP, configure the VPS Docker daemon once:
+
+```json
+{
+  "insecure-registries": ["10.0.0.4:5000"]
+}
+```
+
+If `/etc/docker/daemon.json` already exists, merge the `insecure-registries` value with the existing JSON instead of replacing the file. Then restart Docker:
+
+```bash
+sudo systemctl restart docker
+docker login 10.0.0.4:5000
+```
+
 Then on the VPS restart Traefik:
 
 ```bash