Update Dockerfile

Dockerfile

@@ -1,22 +1,31 @@
 FROM python:3.11-slim
 
+# Set environment variables
 ENV PYTHONDONTWRITEBYTECODE=1
 ENV PYTHONUNBUFFERED=1
+ENV PYTHONPATH=/app
 
+# Set work directory
 WORKDIR /app
 
+# Install system dependencies
 RUN apt-get update && apt-get install -y \
     build-essential \
     poppler-utils \
     tesseract-ocr \
     && rm -rf /var/lib/apt/lists/*
 
+# Install Python dependencies
 COPY requirements-backend.txt .
-
 RUN pip install --no-cache-dir -r requirements-backend.txt
 
-COPY backend/ /app
+# Copy your application code into the container
+# This assumes your main.py is in the root of your rag-mini-project folder
+COPY main.py .
+COPY backend/ ./backend/
 
+# Expose the port the app runs on
 EXPOSE 8000
 
+# Run the application
 CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]