Docker use record (four)

docker modify an existing image

• First use the mirror to start container

  docker run -d -p 8100:80 hello:v-1.0

• Into the container

  docker exec -it <name> bash

• Edit the file to edit, first you need to install the editing software

  apt-get updateUpdate software source

  apt-get install vim Install vim

• Modify app.pyfile

  vim app.py

from flask import Flask

# 获取方式对象，(就随意)命名为app
app = Flask(__name__)
# 使用app绑定路由
@app.route('/')
def hello():
    # 页面内容
    # 添加新内容
    html = '<h1>Hello Docker</h1><p>修改内容</p>'

    return html

# 启动
if __name__ == '__main__':
   app.run(host='0.0.0.0',port=80)

• exitExit container; docker restart <name>reboot container

• Access ip:portcan be found page has been updated

Mirror upload and download

The image can be considered to share files online, allowing others to use

First, go hub.docker.com or cloud.docker.com register an account

Build a warehouse used to store images

Log in using the following command

docker login You will be prompted to enter a user name and password input

After successful login will promptLogin Succeeded

Mirroring Push

Mirror Package

docker image tag [imageName] [username]/[repository]:[tag]

Example:docker image tag hello:v-1.0 chongjing/hello:v-1.0

Mirroring Push

docker image push [username]/[repository]:[tag]

Example:docker image push chongjing001/hello:v-1.0

docker record

Reproduced in: https: //www.jianshu.com/p/271e23eb3818