docker-compose fixed

Dockerfile

@@ -19,4 +19,4 @@ COPY . .
 EXPOSE 8000
 
 # Run FastAPI app
-CMD ["uvicorn", "backend.app:app", "--host", "0.0.0.0", "--port", "8000"]
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8000"]

app.py

@@ -7,19 +7,15 @@ This API receives a problem description, pseudocode style, and level of detail,
 then returns formatted pseudocode as Markdown text.
 """
 
-from fastapi import FastAPI, HTTPException, Request
-from pydantic import BaseModel, constr
+from fastapi import FastAPI, HTTPException
 from fastapi.middleware.cors import CORSMiddleware
-from .ai_prompts import TEMPLATES
-from .utils import call_llm
-from pydantic import BaseModel, constr, Field
+from pydantic import BaseModel, Field
 from typing import Annotated
 from pathlib import Path
 from dotenv import load_dotenv
-import os
-import time
 import logging
-import openai
+from ai_prompts import TEMPLATES
+from utils import call_llm
 
 # -----------------------------------------------------------------------------
 # Environment setup