Dockerfile

# Build stage - Install dependencies
FROM python:3.12-slim-bookworm AS builder

WORKDIR /app

# Copy dependency files and source
COPY pyproject.toml ./
COPY src/ ./src/

# Create virtual environment and install dependencies
RUN python -m venv /opt/venv && \
    /opt/venv/bin/pip install --upgrade pip && \
    /opt/venv/bin/pip install .

# Production stage
FROM python:3.12-slim-bookworm AS production

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

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

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

WORKDIR /app

# Copy application code
COPY src/ ./src/

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

# Switch to non-root user
USER appuser

# Expose port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
    CMD curl -f http://localhost:8000/health || exit 1

# Run the application
CMD ["/opt/venv/bin/python", "-m", "uvicorn", "src.dyvine.main:app", "--host", "0.0.0.0", "--port", "8000"]