Common commands and operations for Docker containers

1. Container operations

- Run the container: 

docker run [OPTIONS] IMAGE [COMMAND] [ARG...]

  Example:

docker run -it --rm ubuntu /bin/bash

- View running containers: 

docker ps [OPTIONS]

  Example:

docker ps -a

- Stop the container: 

docker stop CONTAINER [CONTAINER...]

  Example:

docker stop container_name

- Start a stopped container: 

docker start CONTAINER [CONTAINER...]

  Example:

docker start container_name

- Enter a running container: 

docker exec [OPTIONS] CONTAINER COMMAND [ARG...]

  Example:

docker exec -it container_name /bin/bash

- Delete container: 

docker rm CONTAINER [CONTAINER...]

  Example:

docker rm container_name

- Copy files in Docker

Use the docker cp command to copy local files or directories to a running Docker container, or copy files or directories in a container to the local area.

Copy from local to container:

docker cp /path/to/local/file container_id:/path/in/container/

Copy from container to local:

docker cp container_id:/path/in/container/ /path/to/local/directory

2. Mirror operation

- Pull the image: 

docker pull [OPTIONS] NAME[:TAG|@DIGEST]

  Example:

docker pull ubuntu:latest

- View the local mirror list: 

docker images [OPTIONS] [REPOSITORY[:TAG]]

  Example:

docker images

- Delete local image: 

docker rmi [OPTIONS] IMAGE [IMAGE...]

  Example:

docker rmi image_name

3.Dockerfile operation

- Create Dockerfile:

  Example:   

  FROM ubuntu:latest
  RUN apt-get update && \
      apt-get install -y python3 python3-pip && \
      pip3 install flask
  COPY ./app /app
  WORKDIR /app
  CMD python3 app.py

- Build image: 

docker build [OPTIONS] PATH | URL | -

  Example:

docker build -t myapp:latest .

The above are some common commands and operations of Docker. Docker has more functions and parameters. You can view detailed help documentation through `docker --help` or `docker COMMAND --help`.