FROM python:3.9

# Install system dependencies required by Prophet
RUN apt-get update && apt-get install -y \
    build-essential \
    libpython3-dev \
    python3-pip \
    python3-setuptools \
    python3-wheel \
    python3-dev \
    && rm -rf /var/lib/apt/lists/*

# Copy all files at once to minimize layers
COPY . /app
WORKDIR /app

# Install Python dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Verify files are in place
RUN ls -la /app && \
    ls -la /app/Finance\ Data/

EXPOSE 8501

CMD ["streamlit", "run", "app.py", "--server.port=8501", "--server.enableCORS=false", "--server.enableXsrfProtection=false"]