一个Dome看DockerFile指令

2020-09-25  本文已影响0人  是立品啊

demo简介

构建命令

docker build -t jack/fun:v1 . && docker run --rm -it jack/fun:v1 /bin/sh

Dockerfile详解

FROM python:alpine
LABEL maintainer="jack@163.com"
LABEL description="this is simple example"
WORKDIR /app
COPY requirements.txt ./
ADD one.zip ./
ADD http://img.baidu.com/asslirengk.png ./
RUN pip install -i https://pypi.douban.com/simple --no-cache-dir -r requirements.txt
ENV username=jack password=123456
VOLUME /app
EXPOSE 8080
USER root
CMD ["python","fun.py"]
ENTRYPOINT ["cat","/etc/passwd"]
ENTRYPOINT ["ping"]
CMD ["192.168.1.99"]

RUNCMDENTRYPOINT的联系与区别

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