# Ultra-minimal Docker image using distroless
FROM python:3.13-slim AS builder

# Install build dependencies and Python
RUN apt-get update && apt-get install -y --no-install-recommends \
    python3-venv \
    gcc \
    libc6-dev \
    zlib1g \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Create virtual environment in /usr/local
RUN python3 -m venv /usr/local
ENV PATH="/usr/local/bin:$PATH"

# Install hatch and generate requirements
RUN pip install --no-cache-dir hatch
COPY pyproject.toml ./
RUN hatch dep show requirements > requirements.txt
RUN pip install --no-cache-dir --compile -r requirements.txt

# Copy source and build
COPY src/ ./src/
COPY templates/ ./templates/
COPY LICENSE README.md ./
RUN hatch build -t wheel
RUN pip install --no-cache-dir --compile dist/*.whl

# Clean up build artifacts and unnecessary files
RUN find /usr/local -name "*.pyc" -delete && \
    find /usr/local -name "__pycache__" -type d -exec rm -rf {} + && \
    find /usr/local -name "*.pyo" -delete && \
    find /usr/local -name "tests" -type d -exec rm -rf {} + && \
    find /usr/local -name "test" -type d -exec rm -rf {} + && \
    find /usr/local -name "*.egg-info" -type d -exec rm -rf {} + && \
    find /usr/local -name "*.dist-info" -type d -exec rm -rf {} + && \
    rm -rf /usr/local/share/man /usr/local/share/doc

RUN rm -rf /usr/local/lib/python3.13/site-packages/pip* && \
    rm -rf /usr/local/lib/python3.13/site-packages/virtualenv* && \
    rm -rf /usr/local/lib/python3.13/site-packages/hatch* && \
    rm -rf /usr/local/lib/python3.13/site-packages/hatchling

RUN rm -rf /usr/local/bin/uv

# Using distroless as a main runtime image
FROM gcr.io/distroless/cc-debian12:nonroot

# Copy Python interpreter and the package from the builder stage
COPY --from=builder /usr/local /usr/local
COPY --from=builder /usr/lib/x86_64-linux-gnu/libz.so.1.2.13 /usr/lib/x86_64-linux-gnu/libz.so.1
COPY --from=builder /usr/lib/x86_64-linux-gnu/libsqlite3.so.0.8.6 /usr/lib/x86_64-linux-gnu/libsqlite3.so.0
COPY --from=builder /app/templates /app/templates/

# Set environment variables
ENV PATH="/usr/local/bin:$PATH"
ENV PYTHONPATH="/usr/local/lib/python3.13/site-packages"
ENV PYTHONUNBUFFERED=1

# Run as non-root
USER nonroot

# Expose port
EXPOSE 80

# Run the application
ENTRYPOINT ["/usr/local/bin/python", "-m", "uvicorn", "random_access.main:app", "--host", "0.0.0.0", "--port", "80"]