fix web serve bug

python/paddle_serving_server_gpu/__init__.py

@@ -22,6 +22,7 @@ import socket
 import paddle_serving_server_gpu as paddle_serving_server
 from version import serving_server_version
 from contextlib import closing
+import argparse
 
 
 def serve_args():

python/paddle_serving_server_gpu/web_serve.py

@@ -27,10 +27,13 @@ if __name__ == "__main__":
     args = serve_args()
     web_service = WebService(name=args.name)
     web_service.load_model_config(args.model)
+    gpu_ids = []
     if args.gpu_ids == "":
-        gpu_ids = os.environ["CUDA_VISIBLE_DEVICES"]
-    gpus = [int(x) for x in gpu_ids.split(",")]
-    web_service.set_gpus(gpus)
+        if "CUDA_VISIBLE_DEVICES" in os.environ:
+            gpu_ids = os.environ["CUDA_VISIBLE_DEVICES"]
+    if len(gpu_ids) > 0:
+        gpus = [int(x) for x in gpu_ids.split(",")]
+        web_service.set_gpus(gpus)
     web_service.prepare_server(
         workdir=args.workdir, port=args.port, device=args.device)
     service.run_server()

python/paddle_serving_server_gpu/web_service.py

@@ -112,7 +112,7 @@ class WebService(object):
                 feed=request.json, fetch=fetch, fetch_map=fetch_map)
             return fetch_map
 
-        app_instance.run(host="127.0.0.1",
+        app_instance.run(host="0.0.0.0",
                          port=self.port,
                          threaded=False,
                          processes=1)