Dockerfile

# Multi-stage build for smaller image size
FROM python:3.10-slim as builder

# Set working directory
WORKDIR /app

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

# Copy requirements and install Python dependencies
COPY requirements.txt .
RUN pip install --user --no-cache-dir -r requirements.txt

# Final stage
FROM python:3.10-slim

# Set working directory
WORKDIR /app

# Copy Python dependencies from builder
COPY --from=builder /root/.local /root/.local

# Copy application code
COPY src/ ./src/
COPY .env.example .env

# Make sure scripts are in PATH
ENV PATH=/root/.local/bin:$PATH

# Expose Streamlit port
EXPOSE 8501

# Set environment variables
ENV STREAMLIT_SERVER_PORT=8501
ENV STREAMLIT_SERVER_ADDRESS=0.0.0.0

# Health check
HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health || exit 1

# Run Streamlit app
CMD ["streamlit", "run", "src/ui/streamlit_app.py", "--server.address=0.0.0.0"]