FROM ghcr.io/astral-sh/uv:python3.12-bookworm AS builder

WORKDIR /app

# Install dependencies (cached layer)
COPY pyproject.toml uv.lock ./
RUN uv sync --frozen --no-dev

# Copy source last (fast rebuilds)
COPY src ./src


FROM ghcr.io/astral-sh/uv:python3.12-bookworm AS runtime

WORKDIR /app

# Use the virtualenv created by `uv sync` in builder
COPY --from=builder /app/.venv /app/.venv
COPY --from=builder /app/src /app/src

ENV PATH="/app/.venv/bin:$PATH" \
    PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PYTHONPATH=/app \
    PROMETHEUS_MULTIPROC_DIR=/tmp/prometheus_multiproc

EXPOSE 8000

CMD mkdir -p "$PROMETHEUS_MULTIPROC_DIR" && rm -f "$PROMETHEUS_MULTIPROC_DIR"/* && exec granian --interface asgi ${APP_MODULE:-src.main:app} --host ${APP_HOST:-0.0.0.0} --port ${APP_PORT:-8000} --workers ${APP_WORKERS:-2} --loop uvloop