Add CORS headers (#540)

(cherry picked from commit e4b7546)

Author: deliahu

pkg/workloads/cortex/onnx_serve/api.py

@@ -71,6 +71,9 @@ def before_request():
 
 @app.after_request
 def after_request(response):
+    response.headers["Access-Control-Allow-Origin"] = "*"
+    response.headers["Access-Control-Allow-Headers"] = "*"
+
     api = local_cache["api"]
     ctx = local_cache["ctx"]
 

pkg/workloads/cortex/tf_api/api.py

@@ -98,6 +98,9 @@ def before_request():
 
 @app.after_request
 def after_request(response):
+    response.headers["Access-Control-Allow-Origin"] = "*"
+    response.headers["Access-Control-Allow-Headers"] = "*"
+
     api = local_cache["api"]
     ctx = local_cache["ctx"]