Python 3.12 + Flask (slim)

dockerfile · Python

Image Flask prête pour prod avec utilisateur non-root, gunicorn et cache des dépendances.

python flask gunicorn prod

FROM python:3.12-slim AS base

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1

WORKDIR /app

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

COPY requirements.txt .
RUN pip install --upgrade pip && pip install -r requirements.txt gunicorn

COPY . .

RUN useradd --create-home --shell /bin/bash app \
 && chown -R app:app /app
USER app

EXPOSE 8000

CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:8000", "app:app"]