add middleware

main.py

@@ -1,5 +1,6 @@
 import uvicorn
 import fastapi
+from fastapi.middleware.cors import CORSMiddleware
 from linebot import LineBotApi, WebhookHandler
 from linebot.models import ( 
     MessageEvent, TextMessage, TextSendMessage, FollowEvent, TemplateSendMessage, ButtonsTemplate, URITemplateAction,
@@ -10,6 +11,15 @@ import json
 
 app = fastapi.FastAPI()
 
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=['*'],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+
 # bot config
 line_bot_api = LineBotApi("SJT7VPT4RMQFLcS27jQBy3FcC24gtDrkcwJWZ5Xzqesr5T78LOKudHEJzt0k3b2S7n4KPwf27J7DVz2c8NQ4plSaaQylEeB1cYrfejaE/RPG/lCIQBYe4iBTzo26s4i2PcmT89837per/lTyvhVIKAdB04t89/1O/w1cDnyilFU=")
 handler = WebhookHandler("411ae3ef7e766739ed2c2c27b249d010")