『中级篇』Dockerfile实战（19）

mkdir flask-hello-world
cd flask-hello-world/
vim app.py

from flask import Flask
app = Flask(__name__)
@app.route('/')
def hell():
        return "hello docker public attention:idig88"
if __name__=='__main__':
        app.run(port=8888)

python app.py

#安装flask插件
sudo yum -y install epel-release
sudo yum -y install python-pip
pip install flask
python app.py

vim Dockerfile

FROM python:2.7
LABEL maintainer="zhugeaming"
RUN mv /etc/apt/sources.list /etc/apt/sources.list.bak
RUN echo "deb http://mirrors.163.com/debian/ jessie main non-free contrib" >/etc/apt/sources.list
RUN echo "deb http://mirrors.163.com/debian/ jessie-proposed-updates main non-free contrib" >>/etc/apt/sources.list
RUN echo "deb-src http://mirrors.163.com/debian/ jessie main non-free contrib" >>/etc/apt/sources.list
RUN echo "deb-src http://mirrors.163.com/debian/ jessie-proposed-updates main non-free contrib" >>/etc/apt/sources.list
RUN apt-get update
RUN pip install flask
COPY app.py /app/
WORKDIR /app
EXPOSE 8888
CMD ["python","app.py"]

docker image ls

docker run zhugeaming/flask-hello-world

#后台运行
docker run -d zhugeaming/flask-hello-world