FROM python:3.12-slim AS builder

WORKDIR /app

COPY requirements.txt .
RUN pip wheel --no-cache-dir --no-deps --wheel-dir /app/wheels -r requirements.txt

COPY . .

RUN python -m compileall -b .

FROM python:3.12-slim

WORKDIR /app

COPY --from=builder /app/wheels /wheels
COPY --from=builder /app/requirements.txt .
RUN pip install --no-cache /wheels/*

COPY --from=builder /app /app

RUN find . -type d -name "__pycache__" | while read -r dir; do \
    module_dir=$(dirname "$dir"); \
    mv "$dir"/*.pyc "$module_dir/"; \
    rmdir "$dir"; \
done

RUN find . -name "*.py" -delete

EXPOSE 8000

# CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]
CMD ["gunicorn", "--config", "gunicorn.conf.pyc", "main:app"]