# Excel Filter Tool - Streamlit Docker Image
# Optimized for Coolify deployment

FROM python:3.11-slim

# Set working directory
WORKDIR /app

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

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

# Copy requirements first for better caching
COPY excel_filter/requirements.txt ./requirements.txt

# Install Python dependencies
RUN pip install --upgrade pip && \
    pip install -r requirements.txt && \
    pip install streamlit

# Copy application code
COPY excel_filter/ ./excel_filter/
COPY streamlit_app.py .
COPY .streamlit/ .streamlit/

# Create a non-root user for security
RUN useradd --create-home --shell /bin/bash appuser && \
    chown -R appuser:appuser /app
USER appuser

# Expose Streamlit port
EXPOSE 8501

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

# Run Streamlit
ENTRYPOINT ["streamlit", "run", "streamlit_app.py"]