# Use Python 3.12 (better compatibility for scikit-learn/scipy)
FROM python:3.12-slim

# Set environment variables
ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PIP_NO_CACHE_DIR=1

WORKDIR /app

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

# Copy requirements FIRST (optimizes Docker caching)
COPY requirements.txt .
RUN pip3 install -r requirements.txt

# Copy the ENTIRE project (including app/ folder and app.py)
COPY . .

# Ensure the app directory is reachable
ENV PYTHONPATH=/app

EXPOSE 8501

HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health

# Run the streamlit app
ENTRYPOINT ["streamlit", "run", "app.py", "--server.port=8501", "--server.address=0.0.0.0"]