Docker客户端命令¶
docker 是 C/S 架构
Docker 客户端命令格式,参考了 Git 的命令方式,根据功能分子命令
docker 客户端命令格式¶
docker --help¶
$ docker --help
Usage: docker [OPTIONS] COMMAND
A self-sufficient runtime for containers
Options:
--config string Location of client config files (default "/root/.docker")
-c, --context string Name of the context to use to connect to the daemon (overrides DOCKER_HOST env var and default context set with
"docker context use")
-D, --debug Enable debug mode
-H, --host list Daemon socket(s) to connect to (default )
-l, --log-level string Set the logging level ("debug"|"info"|"warn"|"error"|"fatal") (default "info")
--tls Use TLS; implied by --tlsverify
--tlscacert string Trust certs signed only by this CA (default "/root/.docker/ca.pem")
--tlscert string Path to TLS certificate file (default "/root/.docker/cert.pem")
--tlskey string Path to TLS key file (default "/root/.docker/key.pem")
--tlsverify Use TLS and verify the remote
-v, --version Print version information and quit
Management Commands:
app* Docker App (Docker Inc., v0.9.1-beta3)
builder Manage builds
buildx* Build with BuildKit (Docker Inc., v0.5.1-docker)
config Manage Docker configs
container Manage containers
context Manage contexts
image Manage images
manifest Manage Docker image manifests and manifest lists
network Manage networks
node Manage Swarm nodes
plugin Manage plugins
secret Manage Docker secrets
service Manage services
stack Manage Docker stacks
swarm Manage Swarm
system Manage Docker
trust Manage trust on Docker images
volume Manage volumes
Commands:
attach Attach local standard input, output, and error streams to a running container
build Build an image from a Dockerfile
commit Create a new image from a container's changes
cp Copy files/folders between a container and the local filesystem
create Create a new container
diff Inspect changes to files or directories on a container's filesystem
events Get real time events from the server
exec Run a command in a running container
export Export a container's filesystem as a tar archive
history Show the history of an image
images List images
import Import the contents from a tarball to create a filesystem image
info Display system-wide information
inspect Return low-level information on Docker objects
kill Kill one or more running containers
load Load an image from a tar archive or STDIN
login Log in to a Docker registry
logout Log out from a Docker registry
logs Fetch the logs of a container
pause Pause all processes within one or more containers
port List port mappings or a specific mapping for the container
ps List containers
pull Pull an image or a repository from a registry
push Push an image or a repository to a registry
rename Rename a container
restart Restart one or more containers
rm Remove one or more containers
rmi Remove one or more images
run Run a command in a new container
save Save one or more images to a tar archive (streamed to STDOUT by default)
search Search the Docker Hub for images
start Start one or more stopped containers
stats Display a live stream of container(s) resource usage statistics
stop Stop one or more running containers
tag Create a tag TARGET_IMAGE that refers to SOURCE_IMAGE
top Display the running processes of a container
unpause Unpause all processes within one or more containers
update Update configuration of one or more containers
version Show the Docker version information
wait Block until one or more containers stop, then print their exit codes
Run 'docker COMMAND --help' for more information on a command.
To get more help with docker, check out our guides at https://docs.docker.com/go/guides/
Docker命令选项详解¶
内容摘要¶
本章节聚焦于Docker命令的详细解析,特别是Docker命令的选项及其使用场景。与其他章节相比,本章节的核心在于深入探讨Docker命令行工具的功能和参数,帮助用户全面掌握Docker命令的使用技巧和最佳实践。
主要内容¶
1. Docker命令概述¶
- Docker命令行工具的基本结构:
- Docker命令可以分为多个类别,包括容器管理、镜像管理、网络管理等。每个类别下的命令都有其特定的功能和作用。
-
例如,
docker run
用于启动容器,docker build
用于构建镜像,docker network
用于管理网络等。 -
通用选项:
--help
:显示命令的帮助信息。--version
:显示Docker的版本信息。- 这些通用选项可以帮助用户快速了解命令的使用方法和Docker的版本信息。
2. 命令选项详解¶
docker run
命令选项:-d
:后台运行容器。-p
:端口映射,将容器内的端口映射到主机端口。-v
:数据卷挂载,将主机目录挂载到容器内。-
示例:
docker run -d -p 8080:80 -v /host/path:/container/path nginx
-
docker build
命令选项: -t
:为镜像指定标签。--no-cache
:禁用缓存,强制重新构建镜像。-
示例:
docker build -t my-image:latest --no-cache .
-
docker network
命令选项: --driver
:指定网络驱动类型,如bridge
、overlay
等。--subnet
:配置子网。- 示例:
docker network create --driver bridge --subnet 192.168.1.0/24 my-network
3. 高级选项与技巧¶
docker exec
命令选项:--env
:设置环境变量。-
示例:
docker exec --env VAR1=value1 my-container echo $VAR1
-
docker logs
命令选项: --tail
:限制显示的日志行数。-
示例:
docker logs --tail 10 my-container
-
命令行技巧:
- 使用
docker ps -a | grep
过滤容器列表。 - 示例:
docker ps -a | grep running
4. 与其他章节的区别¶
- 与“产品功能详解”章节的区别:
-
本章节专注于Docker命令的选项解析,而非命令的整体功能或底层原理。这些内容在“产品功能详解”或“原理解析”章节中已有详细说明。
-
与“客户端命令详解”章节的区别:
- 本章节更侧重于选项的深度解析,而非命令的全面介绍。
目标读者¶
- 适合已经熟悉Docker基础操作,希望进一步提升命令行使用效率的用户。
- 适合需要深入了解Docker命令选项的开发者和运维人员。
通过本章节的学习,读者将能够熟练使用Docker命令的各种选项,优化日常操作流程,并解决实际使用中的复杂问题。