在Docker构建期间,是否可以在ONBUILD之前插入步骤?

问题描述 投票:1回答:1

这是pipenv的基本形象:

FROM ubuntu:18.04

# -- Install Pipenv:
RUN apt update && apt install python3-pip git -y && pip3 install pipenv

ENV LC_ALL C.UTF-8
ENV LANG C.UTF-8

# -- Install Application into container:
RUN set -ex && mkdir /app

WORKDIR /app

# -- Adding Pipfiles
ONBUILD COPY Pipfile Pipfile
ONBUILD COPY Pipfile.lock Pipfile.lock

# -- Install dependencies:
ONBUILD RUN set -ex && pipenv install --deploy --system

# --------------------
# - Using This File: -
# --------------------

# FROM kennethreitz/pipenv

# COPY . /app

# -- Replace with the correct path to your app's main executable
# CMD python3 main.py

当我使用FROM kennethreitz/pipenv扩展图像时,我可以在ONBUILD运行之前添加RUN步骤吗?原因是我需要在pipenv install之前安装一些软件包

docker
1个回答
1
投票

https://docs.docker.com/develop/develop-images/dockerfile_best-practices/#onbuild所述

Docker构建在子Dockerfile中的任何命令之前执行ONBUILD命令。

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