# Streamlit Dashboard Dockerfile

FROM python:3.10-slim

# Set working directory
WORKDIR /app

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

# Copy requirements
COPY requirements.txt .

# Install Python dependencies
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# Create non-root user
RUN useradd -m -u 1000 streamlit && \
    chown -R streamlit:streamlit /app

# Copy application code
COPY --chown=streamlit:streamlit . /app/

# Create Streamlit config directory
RUN mkdir -p /home/streamlit/.streamlit && \
    chown -R streamlit:streamlit /home/streamlit

# Switch to non-root user
USER streamlit

# Expose Streamlit port
EXPOSE 8501

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=20s --retries=3 \
    CMD curl -f http://localhost:8501/_stcore/health || exit 1

# Run Streamlit
CMD ["streamlit", "run", "app.py", "--server.port=8501", "--server.address=0.0.0.0", "--server.headless=true", "--browser.gatherUsageStats=false"]