Fix Dockerfile: add COPY command and correct CMD

Dockerfile

@@ -5,6 +5,12 @@ FROM python:3.11-slim
 # Set working directory
 WORKDIR /app
 
+# Copy all application files
+COPY . .
+
+# List files for debugging
+RUN ls -la /app
+
 # -------------------------------
 # Install system dependencies
 RUN apt-get update && apt-get install -y \
@@ -43,5 +49,5 @@ ENV PYTHONUNBUFFERED=1
 EXPOSE 8000
 
 # -------------------------------
-# Start FastAPI with reload enabled
-CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000", "--reload"]
+# Start FastAPI app from app.py
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8000"]