FROM python:3.9-slim

WORKDIR /code

# Install system dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    curl \
    git \
    python3-dev \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first to leverage Docker cache
COPY requirements.txt .

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

# Copy application code
COPY ./app /code/app
COPY ./data /code/data
COPY ./config /code/config

# Create necessary directories
RUN mkdir -p /code/data /code/logs

# Make port 7860 available
EXPOSE 7860

# Set environment variables
ENV PYTHONPATH=/code
ENV PORT=7860

# Start command
CMD streamlit run /code/app/home.py --server.address=0.0.0.0 --server.port=7860