Dockerfile

# Multi-stage build for production optimization
FROM python:3.11-slim as builder

# 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 \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Create and activate virtual environment
RUN python -m venv /opt/venv
ENV PATH="/opt/venv/bin:$PATH"

# Copy requirements and install Python dependencies
COPY requirements.txt .
RUN uv pip install --system -r requirements.txt


# Production stage
FROM python:3.11-slim as production

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PATH="/opt/venv/bin:$PATH"

# Install runtime dependencies
RUN apt-get update && apt-get install -y \
    sqlite3 \
    && rm -rf /var/lib/apt/lists/* \
    && apt-get clean

# Create non-root user for security
RUN groupadd -r appuser && useradd -r -g appuser appuser

# Copy virtual environment from builder stage
COPY --from=builder /opt/venv /opt/venv

# Set work directory
WORKDIR /app

# Copy application code
COPY --chown=appuser:appuser . .

# Create directories with proper permissions
RUN mkdir -p /app/logs /app/data && \
    chown -R appuser:appuser /app

# Switch to non-root user
USER appuser

# Expose port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
    CMD python -c "import requests; requests.get('http://localhost:8000/health')" || exit 1

# Command to run the application
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]