dockerfile

# ── Stage 1: build deps ───────────────────────────────────────────────────────
FROM python:3.11-slim AS builder

WORKDIR /app

RUN pip install --upgrade pip pdm
COPY pyproject.toml .
RUN pdm install --prod --no-self --no-editable

# ── Stage 2: runtime ──────────────────────────────────────────────────────────
FROM python:3.11-slim

WORKDIR /app

# Install psycopg2 runtime lib
RUN apt-get update && apt-get install -y --no-install-recommends libpq5 && rm -rf /var/lib/apt/lists/*

# Copy virtualenv from builder
COPY --from=builder /app/.venv /app/.venv
ENV PATH="/app/.venv/bin:$PATH" \
    PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1

# Copy application source
COPY main.py models.py database.py ./
COPY alembic.ini ./
COPY alembic/ ./alembic/

EXPOSE 8000

CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "2"]