# Multi-stage Dockerfile for Python application
# Stage 1: Build stage
FROM python:3.11-slim as builder

# Set working directory
WORKDIR /app

# Install system dependencies for building Python packages
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    g++ \
    make \
    libpq-dev \
    && rm -rf /var/lib/apt/lists/*

# Install Poetry
ENV POETRY_VERSION=1.7.1 \
    POETRY_HOME="/opt/poetry" \
    POETRY_VIRTUALENVS_IN_PROJECT=true \
    POETRY_NO_INTERACTION=1

RUN pip install --no-cache-dir poetry==${POETRY_VERSION}

# Copy dependency files
COPY pyproject.toml poetry.lock* ./

# Install dependencies
RUN poetry install --no-root --only main

# Stage 2: Runtime stage
FROM python:3.11-slim

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PATH="/app/.venv/bin:$PATH" \
    ENVIRONMENT=production

# Install runtime dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    libpq5 \
    curl \
    && rm -rf /var/lib/apt/lists/*

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

# Set working directory
WORKDIR /app

# Copy virtual environment from builder
COPY --from=builder /app/.venv /app/.venv

# Copy application code
COPY src/ /app/src/
COPY *.toml /app/

# Create logs directory
RUN mkdir -p /app/logs && chown -R appuser:appuser /app

# Switch to non-root user
USER appuser

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD python -c "import sys; sys.exit(0)"

# Default command (can be overridden)
CMD ["python", "-m", "protean", "server", "--domain", "src.{{ package_name }}.domain:{{ domain_name }}"]
