Make Railway root deploy compatible for nested FastAPI app

Google hackthon Selling Agent/app/main.py

@@ -4,8 +4,8 @@
 from contextlib import asynccontextmanager
 from pathlib import Path
 import asyncio
-from app.database import db
-from app.routes import vendors, analytics, group_orders, chat
+from .database import db
+from .routes import vendors, analytics, group_orders, chat
 
 TEMPLATES_DIR = Path(__file__).parent / "templates"
 
@@ -53,4 +53,4 @@ async def health():
 
 if __name__ == "__main__":
     import uvicorn
-    uvicorn.run("app.main:app", host="0.0.0.0", port=1234, reload=True)
+    uvicorn.run("Google hackthon Selling Agent.app.main:app", host="0.0.0.0", port=1234, reload=True)

Google hackthon Selling Agent/app/routes/analytics.py

@@ -1,7 +1,7 @@
 from fastapi import APIRouter, Body
-from app.analytics.rl_model import QLearningRestockAgent
-from app.analytics.lstm_model import LSTMTimeSeriesAnalyzer
-from app.analytics.gnn_model import GNNNeighborhoodAnalyzer
+from ..analytics.rl_model import QLearningRestockAgent
+from ..analytics.lstm_model import LSTMTimeSeriesAnalyzer
+from ..analytics.gnn_model import GNNNeighborhoodAnalyzer
 import random
 
 router = APIRouter()

Google hackthon Selling Agent/app/routes/group_orders.py

@@ -7,7 +7,7 @@
 from datetime import datetime, timedelta, timezone
 from fastapi import APIRouter
 from pydantic import BaseModel
-from app.database import db
+from ..database import db
 
 router = APIRouter()
 

Google hackthon Selling Agent/app/routes/vendors.py

@@ -1,6 +1,6 @@
 from fastapi import APIRouter, HTTPException
-from app.database import db
-from app.models.vendor import VendorCreate
+from ..database import db
+from ..models.vendor import VendorCreate
 from datetime import datetime, timezone
 
 router = APIRouter()

Procfile

@@ -0,0 +1 @@
+web: uvicorn "Google hackthon Selling Agent.app.main:app" --host 0.0.0.0 --port $PORT

nixpacks.toml

@@ -0,0 +1,8 @@
+[phases.setup]
+nixPkgs = ["python313", "python313Packages.pip"]
+
+[phases.install]
+cmds = ["pip install -r requirements.txt"]
+
+[start]
+cmd = "uvicorn \"Google hackthon Selling Agent.app.main:app\" --host 0.0.0.0 --port $PORT"

requirements.txt

@@ -0,0 +1,8 @@
+fastapi>=0.115.0
+uvicorn[standard]>=0.30.0
+motor>=3.5.0
+pydantic>=2.9.0
+python-dotenv>=1.0.1
+jinja2>=3.1.4
+aiofiles>=24.1.0
+httpx>=0.27.0

runtime.txt

@@ -0,0 +1 @@
+python-3.13