feat: enhance service discovery and proxy management

backend/app/integrations/docker/models.py

@@ -2,7 +2,13 @@ from pathlib import Path
 from typing import TypedDict
 
 
+class DockerPortBinding(TypedDict):
+    published: int
+    host: str | None
+
+
 class DockerContainer(TypedDict):
     name: str
     ports: list[int]
+    bindings: list[DockerPortBinding]
     folder: Path