1、vi Dockerfile FROM centos:7
RUN yum install -y python3 RUN pip3 install flask COPY hello.py /tmp/hello.py EXPOSE 5000 CMD ["python3","/tmp/hello.py"]
2、vi hello.py
!/usr/bin/env python
from flask import Flask app = Flask(name)
@app.route('/hi') def hello_world(): return 'Hello World!' if name == 'main': app.run(host='0.0.0.0', port=5000)
3、docker build -t firstflask .
4、 docker run -d -P firstflask
firewall-cmd --add-port=32768/tcp --permanent
firewall-cmd --reload
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