FROM python:3.12-slim

WORKDIR /app

# Install only psycopg2 build deps (needed for alembic sync driver)
RUN apt-get update && \
    apt-get install -y --no-install-recommends libpq-dev gcc && \
    rm -rf /var/lib/apt/lists/*

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt psycopg2-binary

COPY alembic.ini .
COPY alembic/ alembic/
COPY app/ app/

EXPOSE 8001

CMD ["sh", "-c", "alembic upgrade head && gunicorn app.main:app -k uvicorn.workers.UvicornWorker -w 2 -b 0.0.0.0:8001 --timeout 30"]