FROM python:3.11-slim

WORKDIR /app

# Install system dependencies (gcc for build, curl for healthcheck)
RUN apt-get update && \
    apt-get install -y --no-install-recommends gcc curl && \
    rm -rf /var/lib/apt/lists/*

# Install Python dependencies
COPY requirements.txt ./
RUN pip install --no-cache-dir -r requirements.txt

# Copy application
COPY .streamlit/ .streamlit/
COPY core/ core/
COPY views/ views/
COPY app.py .
COPY Shannon.png .
COPY Satellite.png .

# Create data directory for SQLite databases
RUN mkdir -p /app/data

# Expose Streamlit port
EXPOSE 8080

# Health check
HEALTHCHECK --interval=30s --timeout=10s --retries=3 \
    CMD curl -f http://localhost:8080/_stcore/health || exit 1

# Run Streamlit
ENTRYPOINT ["streamlit", "run", "app.py", \
    "--server.port=8080", \
    "--server.address=0.0.0.0", \
    "--server.headless=true"]