added docker support

backend/main.py

@@ -1,3 +1,4 @@
+import os
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
 
@@ -7,9 +8,10 @@ app = FastAPI(
     version="0.1.0",
 )
 
+_cors_origins = os.getenv("CORS_ORIGINS", "http://localhost:5173").split(",")
 app.add_middleware(
     CORSMiddleware,
-    allow_origins=["http://localhost:5173"],
+    allow_origins=[o.strip() for o in _cors_origins if o.strip()],
     allow_credentials=True,
     allow_methods=["*"],
     allow_headers=["*"],