FROM python:3.11-slim AS base

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1

WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential libpq-dev curl \
    && rm -rf /var/lib/apt/lists/*

COPY requirements.txt requirements-dev.txt ./
RUN python -m pip install --no-cache-dir --upgrade pip==26.2.1
RUN pip install -r requirements.txt

COPY . .

EXPOSE 8000

HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 \
    CMD curl -f http://localhost:8000/health || exit 1

CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]
