How to enter commands in docker

Docker command input method

Input directly

In the terminal of the Docker host, enter the Docker command directly, for example:

docker ps # 查看正在运行的容器

Docker Compose

Use Docker Compose files to manage multiple containers. Execute in the directory where the Docker Compose file is located:

docker-compose up # 启动所有定义的容器

Use Docker CLI

Run the command through Docker CLI. Use thedockerprefix, for example:

docker run --name my-container ubuntu:22.04

Using the Docker API

Use the Docker API to interact directly with the Docker daemon. Send commands using HTTP requests, for example:

curl -X POST http://localhost:2375/containers/create -d '{"Image": "ubuntu:22.04"}'

Interactive commands

Execute interactive commands in the container. Use thedocker exec -itcommand, for example:

docker exec -it my-container bash

Other methods

• Docker Desktop:Using Docker Desktop provides a graphical interface for entering commands.
• Kubernetes:Enter the Docker command through the kubectl command in the Kubernetes cluster.
• Third-party tools:Use third-party tools such as Portainer or Rancher to manage Docker and enter commands.

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