# Use a single official Python runtime
FROM python:3.9-slim

# Set working directory to /app
WORKDIR /app

# 1. Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# 2. Copy requirements and install python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
# Ensure explicit install of both frameworks
RUN pip install --no-cache-dir streamlit requests pandas plotly uvicorn fastapi

# 3. Copy the entire project code
COPY . .

# 4. Expose the specific port Hugging Face requires
EXPOSE 7860

# 5. COMMAND: Run Both Services with a DELAY
# We added "sleep 5" to give the API time to start before the UI launches.
CMD ["/bin/bash", "-c", "uvicorn app.main:app --host 0.0.0.0 --port 8000 & sleep 5 && streamlit run frontend/ui.py --server.port 7860 --server.address 0.0.0.0"]