diff --git a/apps/api/src/api/tool_instances.py b/apps/api/src/api/tool_instances.py
index 06477b0..d26e6de 100644
--- a/apps/api/src/api/tool_instances.py
+++ b/apps/api/src/api/tool_instances.py
@@ -23,12 +23,15 @@ from src.models.tool_instance import ToolInstance
 from src.models.tool_type import ToolType
 from src.models.user import User
 from src.services.docker import (
+    check_tunnel_health,
     connect_container_to_network,
     ensure_instance_directory,
     execute_compose_command,
     find_free_port,
     get_container_id,
     get_container_name,
+    recreate_tunnel,
+    render_compose_template,
     start_cloudflared_tunnel,
     stop_cloudflared_tunnel,
     write_compose_file,
diff --git a/apps/api/src/services/docker.py b/apps/api/src/services/docker.py
index 312e65b..2416c6a 100644
--- a/apps/api/src/services/docker.py
+++ b/apps/api/src/services/docker.py
@@ -370,7 +370,7 @@ def recreate_tunnel(
     return start_cloudflared_tunnel(container_name, port)
 
 
-def check_tunnel_health(url: str, timeout: int = 10) -> dict[str, any]:
+def check_tunnel_health(url: str, timeout: int = 10) -> dict[str, Any]:
     """Check if a tunnel URL is healthy.
 
     Args: