Update Dockerfile

Dockerfile

@@ -7,7 +7,7 @@ COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
 # Copy all Python files (including app.py and lora_trainer.py)
-COPY . .
+COPY app.py .
 
 # Expose the port Hugging Face Spaces expects
 EXPOSE 7860