FROM python:3.9-slim

# Set working directory inside the container
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    curl \
    software-properties-common \
    git \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements and install dependencies
COPY requirements.txt ./
RUN pip install --no-cache-dir -r requirements.txt

# Copy source code
COPY src/ ./src/

# Copy model files inside Hb_predict folder (to match the app path)
COPY Hb_predict/ ./Hb_predict/

# Expose default Streamlit port
EXPOSE 8501

# Optional health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
  CMD curl --fail http://localhost:8501/_stcore/health || exit 1

# Start Streamlit app
ENTRYPOINT ["streamlit", "run", "src/streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]