# Lightweight Python base
FROM python:3.12-slim

ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1 \
    PIP_ROOT_USER_ACTION=ignore

# Install only essential system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
      ca-certificates curl gnupg tzdata \
 && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# --- Python dependencies ---
COPY requirements.txt .
RUN --mount=type=cache,target=/root/.cache/pip \
    pip install --no-cache-dir -r requirements.txt 

# --- Copy app code ---
COPY app/ /app/

# Stay root or not
USER root

ENTRYPOINT ["python", "/app/main.py"]