Final Dockerfile fix

backend/Dockerfile

@@ -9,8 +9,7 @@ WORKDIR /app
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-COPY . .
+COPY ./app ./app
-WORKDIR /app/backend
 
 RUN mkdir -p /app/data
 EXPOSE $PORT

backend/app/main.py

@@ -3,8 +3,8 @@ from contextlib import asynccontextmanager
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
 
-from database import Base, engine
+from .database import Base, engine
-from routes import auth, tournaments, websocket
+from .routes import auth, tournaments, websocket
 
 
 @asynccontextmanager