Dockerfile 编写

FROM python:3.9-slim

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

COPY . .
EXPOSE 8000
CMD ["gunicorn", "app:app", "--bind", "0.0.0.0:8000"]

多阶段构建

# 构建阶段
FROM python:3.9 as builder
COPY requirements.txt .
RUN pip install --user -r requirements.txt

# 运行阶段
FROM python:3.9-slim
COPY --from=builder /root/.local /root/.local
COPY . .
CMD ["python", "app.py"]

转载请注明：周志洋的博客 » Python DevOps-Docker容器化