# DWD Wetter
FROM python:3.11-slim

WORKDIR /app

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

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

COPY . .

EXPOSE 5000

ENV PYTHONUNBUFFERED=1
ENV FLASK_APP=app.py
ENV FLASK_ENV=production

# Non-root user
RUN useradd -m -u 1000 appuser && chown -R appuser:appuser /app
USER appuser

# 4 workers, 120s timeout (DWD requests can be slow)
CMD ["gunicorn", \
     "--bind", "0.0.0.0:5000", \
     "--workers", "4", \
     "--timeout", "120", \
     "--keep-alive", "5", \
     "--access-logfile", "-", \
     "--error-logfile", "-", \
     "app:app"]