mklink /J "C:\Program Files\Docker"  "D:\codeSoftware\Docker"

docker -v

docker run hello-world

docker images

 python -m venv venv

.\venv\Scripts\activate

pip install Flask 

from flask import Flask
app = Flask(__name__)

@app.route('/')
def index():
    return "hello,learn docker"
if __name__ == '__main__':
    app.run(host="0.0.0.0",port=7001,debug=True)

# For more information, please refer to https://aka.ms/vscode-docker-python
FROM python:3.8-slim

EXPOSE 5001

# Keeps Python from generating .pyc files in the container
ENV PYTHONDONTWRITEBYTECODE=1

# Turns off buffering for easier container logging
ENV PYTHONUNBUFFERED=1

# Install pip requirements
COPY requirements.txt .
RUN python -m pip install -r requirements.txt

WORKDIR /app
COPY . /app

# Creates a non-root user with an explicit UID and adds permission to access the /app folder
# For more info, please refer to https://aka.ms/vscode-docker-python-configure-containers
RUN adduser -u 5678 --disabled-password --gecos "" appuser && chown -R appuser /app
USER appuser

# During debugging, this entry point will be overridden. For more information, please refer to https://aka.ms/vscode-docker-python-debug
CMD ["gunicorn", "--bind", "0.0.0.0:5001", "app.app:app"]

docker build -t docker_flask_demo .

docker run -d --name flask_demo -p 5001:5001 docker_flask_demo

 docker start 容器id		# 啟動容器 

 docker restart 容器id	# 重啟容器

 docker stop 容器id	  # 停止正在運行的容器

 docker kill 容器id		 # 強制停止運行的容器

docker rm 容器id

docker top 容器id

docker rmi 鏡像id

docker logs -f afdf90e5afbd 

docker inspect 容器id

docker ps -a