Configure for Railway deployment

Author: getGit789

Procfile

@@ -1 +1 @@
-web: gunicorn application:app --bind 0.0.0.0:5000 -k uvicorn.workers.UvicornWorker
+web: gunicorn application:app -k uvicorn.workers.UvicornWorker -b 0.0.0.0:$PORT

application.py

@@ -1,14 +1,15 @@
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
 from backend.app.main import app
+import os
 
 # Create FastAPI application
 application = FastAPI()
 
 # Add CORS middleware
 application.add_middleware(
     CORSMiddleware,
-    allow_origins=["*"],
+    allow_origins=os.getenv("ALLOWED_ORIGINS", "*").split(","),
     allow_credentials=True,
     allow_methods=["*"],
     allow_headers=["*"]
@@ -27,4 +28,5 @@ def health_check():
 
 if __name__ == "__main__":
     import uvicorn
-    uvicorn.run("application:app", host="0.0.0.0", port=5000)
+    port = int(os.getenv("PORT", 8000))
+    uvicorn.run("application:app", host="0.0.0.0", port=port)