do a shallow git clone of the pyworker

Fix healthcheck endpoint URL

Tested and merged by Colter

start_server.sh

@@ -58,13 +58,19 @@ then
         source ~/.local/bin/env
     fi
 
-    # Fork testing
+    if [[ ! -d $SERVER_DIR ]]; then
-    git clone "${PYWORKER_REPO:-https://github.com/vast-ai/pyworker}" "$SERVER_DIR"
+        git clone --depth=1 "${PYWORKER_REPO:-https://github.com/vast-ai/pyworker}" "$SERVER_DIR"
-    if [[ -n ${PYWORKER_REF:-} ]]; then
-        (cd "$SERVER_DIR" && git checkout "$PYWORKER_REF")
     fi
 
-    uv venv --managed-python "$ENV_PATH" -p 3.10
+    if [[ -n ${PYWORKER_REF:-} ]]; then
+        (
+            cd "$SERVER_DIR"
+            git fetch --depth=1 origin "$PYWORKER_REF"
+            git checkout "$PYWORKER_REF"
+        )
+    fi
+
+    uv venv --python-preference only-managed "$ENV_PATH" -p 3.10
     source "$ENV_PATH/bin/activate"
 
     uv pip install -r "${SERVER_DIR}/requirements.txt"

workers/comfyui-json/server.py

@@ -70,7 +70,7 @@ class ComfyWorkflowHandler(EndpointHandler[ComfyWorkflowData]):
 
     @property
     def healthcheck_endpoint(self) -> Optional[str]:
-        return "/health"
+        return f"{MODEL_SERVER_URL}/health"
 
     @classmethod
     def payload_cls(cls) -> Type[ComfyWorkflowData]: