# Build stage
FROM python:3.11-slim AS builder

WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    gcc \
    g++ \
    make \
    libpq-dev \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements and install to /opt/venv
COPY requirements.txt .
RUN python -m venv /opt/venv
ENV PATH="/opt/venv/bin:$PATH"
RUN pip install --no-cache-dir -r requirements.txt

# Run stage
FROM python:3.11-slim

ENV USERNAME=k8s
ENV ARTIFACTORY_HOME=/home/${USERNAME}
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1

# Install runtime dependencies
RUN apt-get update && apt-get install -y \
    libpq5 \
    && rm -rf /var/lib/apt/lists/*

# Add a non-root user
RUN adduser --system --group ${USERNAME} && \
    mkdir -p ${ARTIFACTORY_HOME} && \
    chown ${USERNAME}:${USERNAME} ${ARTIFACTORY_HOME}

WORKDIR ${ARTIFACTORY_HOME}

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

# Copy application code
COPY --chown=${USERNAME}:${USERNAME} . .

# Update PATH to include venv
ENV PATH="/opt/venv/bin:$PATH"

USER ${USERNAME}

# Expose port
EXPOSE 8088

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
    CMD python -c "import requests; requests.get('http://localhost:8088/health')" || exit 1

# Run the application
CMD ["uvicorn", "src.api.main:app", "--host", "0.0.0.0", "--port", "8088"]