FROM python:3.9-slim

WORKDIR /app

RUN apt-get update && apt-get install -y \
    build-essential \
    curl \
    software-properties-common \
    git \
    && rm -rf /var/lib/apt/lists/*

COPY requirements.txt ./
COPY src/ ./src/

RUN pip3 install -r requirements.txt

# Create a non-root user and give permissions
RUN useradd -m streamlituser && \
    chown -R streamlituser:streamlituser /app

# Set environment variables to control Streamlit behavior
ENV STREAMLIT_GATHER_USAGE_STATS=False
ENV STREAMLIT_SERVER_ENABLE_XSRF_PROTECTION=False
ENV STREAMLIT_CONFIG_DIR=/home/streamlituser/.streamlit

# Create config directory with proper permissions
RUN mkdir -p /home/streamlituser/.streamlit && \
    touch /home/streamlituser/.streamlit/config.toml && \
    chown -R streamlituser:streamlituser /home/streamlituser/.streamlit

# Switch to non-root user
USER streamlituser

EXPOSE 8501

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

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