FROM python:3.10-slim

WORKDIR /app

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

# Create non-root user
RUN useradd -m -u 1000 streamlit && \
    mkdir -p /home/streamlit/.vnstock && \
    chown -R streamlit:streamlit /home/streamlit

# Copy requirements and install Python packages
COPY requirements.txt ./
RUN pip3 install -r requirements.txt

# Copy source code and set ownership
COPY src/ ./src/
RUN chown -R streamlit:streamlit /app

# Switch to non-root user
USER streamlit

# Set environment variables
ENV HOME=/home/streamlit
ENV PYTHONPATH=/app

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"]