Compose
About versions and upgrading (Compose)
ASP.NET Core + SQL Server on Linux (Compose)
CLI environment variables (Compose)
Command-line completion (Compose)
Compose（組成）
Compose command-line reference（組合命令行參考）
Control startup order (Compose)
Django and PostgreSQL (Compose)
Docker stacks and distributed application bundles (Compose)
docker-compose build（docker-compose構(gòu)建）
docker-compose bundle
docker-compose config
docker-compose create
docker-compose down
docker-compose events
docker-compose exec
docker-compose help
docker-compose images
docker-compose kill
docker-compose logs
docker-compose pause
docker-compose port
docker-compose ps
docker-compose pull
docker-compose push
docker-compose restart
docker-compose rm
docker-compose run
docker-compose scale
docker-compose start
docker-compose stop
docker-compose top
docker-compose unpause
docker-compose up
Environment file (Compose)
Environment variables in Compose
Extend services in Compose
Frequently asked questions (Compose)
Getting started (Compose)
Install Compose
Link environment variables (deprecated) (Compose)
Networking in Compose
Overview of Docker Compose
Overview of docker-compose CLI
Quickstart: Compose and WordPress
Rails and PostgreSQL (Compose)
Sample apps with Compose
Using Compose in production
Using Compose with Swarm
Engine
.NET Core application (Engine)
About images, containers, and storage drivers (Engine)
Add nodes to the swarm (Engine)
Apply custom metadata (Engine)
Apply rolling updates (Engine)
apt-cacher-ng
Best practices for writing Dockerfiles (Engine)
Binaries (Engine)
Bind container ports to the host (Engine)
Breaking changes (Engine)
Build your own bridge (Engine)
Configure container DNS (Engine)
Configure container DNS in user-defined networks (Engine)
CouchDB (Engine)
Create a base image (Engine)
Create a swarm (Engine)
Customize the docker0 bridge (Engine)
Debian (Engine)
Default bridge network
Delete the service (Engine)
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Deprecated Engine features
Docker container networking (Engine)
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Docker run reference (Engine)
Dockerfile reference (Engine)
Dockerize an application
Drain a node (Engine)
Engine
FAQ (Engine)
Fedora (Engine)
Get started (Engine)
Get started with macvlan network driver (Engine)
Get started with multi-host networking (Engine)
How nodes work (Engine)
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Install Docker (Engine)
IPv6 with Docker (Engine)
Join nodes to a swarm (Engine)
Legacy container links (Engine)
Lock your swarm (Engine)
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Manage swarm service networks (Engine)
Migrate to Engine 1.10
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Overview (Engine)
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Riak (Engine)
Run Docker Engine in swarm mode
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Swarm mode overview (Engine)
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Use swarm mode routing mesh (Engine)
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Use the Btrfs storage driver (Engine)
Use the Device mapper storage driver (Engine)
Use the OverlayFS storage driver (Engine)
Use the VFS storage driver (Engine)
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Engine: Admin Guide
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Collect Docker metrics with Prometheus (Engine)
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Configuring logging drivers (Engine)
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ETW logging driver (Engine)
Fluentd logging driver (Engine)
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Google Cloud logging driver (Engine)
Graylog Extended Format (GELF) logging driver (Engine)
Journald logging driver (Engine)
JSON File logging driver (Engine)
Keep containers alive during daemon downtime (Engine)
Limit a container's resources (Engine)
Link via an ambassador container (Engine)
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Logentries logging driver (Engine)
PowerShell DSC usage (Engine)
Prune unused Docker objects (Engine)
Run multiple services in a container (Engine)
Runtime metrics (Engine)
Splunk logging driver (Engine)
Start containers automatically (Engine)
Storage overview (Engine)
Syslog logging driver (Engine)
tmpfs mounts
Troubleshoot volume problems (Engine)
Use a logging driver plugin (Engine)
Using Ansible (Engine)
Using Chef (Engine)
Using Puppet (Engine)
View a container's logs (Engine)
Volumes (Engine)
Engine: CLI
Daemon CLI reference (dockerd) (Engine)
docker
docker attach
docker build
docker checkpoint
docker checkpoint create
docker checkpoint ls
docker checkpoint rm
docker commit
docker config
docker config create
docker config inspect
docker config ls
docker config rm
docker container
docker container attach
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docker container cp
docker container create
docker container diff
docker container exec
docker container export
docker container inspect
docker container kill
docker container logs
docker container ls
docker container pause
docker container port
docker container prune
docker container rename
docker container restart
docker container rm
docker container run
docker container start
docker container stats
docker container stop
docker container top
docker container unpause
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docker container wait
docker cp
docker create
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docker diff
docker events
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docker image import
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docker image prune
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docker image save
docker image tag
docker images
docker import
docker info
docker inspect
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docker network create
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docker network inspect
docker network ls
docker network prune
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docker node
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docker port
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docker rename
docker restart
docker rm
docker rmi
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docker secret
docker secret create
docker secret inspect
docker secret ls
docker secret rm
docker service
docker service create
docker service inspect
docker service logs
docker service ls
docker service ps
docker service rm
docker service scale
docker service update
docker stack
docker stack deploy
docker stack ls
docker stack ps
docker stack rm
docker stack services
docker start
docker stats
docker stop
docker swarm
docker swarm ca
docker swarm init
docker swarm join
docker swarm join-token
docker swarm leave
docker swarm unlock
docker swarm unlock-key
docker swarm update
docker system
docker system df
docker system events
docker system info
docker system prune
docker tag
docker top
docker unpause
docker update
docker version
docker volume
docker volume create
docker volume inspect
docker volume ls
docker volume prune
docker volume rm
docker wait
Use the Docker command line (Engine)
Engine: Extend
Access authorization plugin (Engine)
Docker log driver plugins
Docker network driver plugins (Engine)
Extending Engine with plugins
Managed plugin system (Engine)
Plugin configuration (Engine)
Plugins API (Engine)
Volume plugins (Engine)
Engine: Security
AppArmor security profiles for Docker (Engine)
Automation with content trust (Engine)
Content trust in Docker (Engine)
Delegations for content trust (Engine)
Deploying Notary (Engine)
Docker security (Engine)
Docker security non-events (Engine)
Isolate containers with a user namespace (Engine)
Manage keys for content trust (Engine)
Play in a content trust sandbox (Engine)
Protect the Docker daemon socket (Engine)
Seccomp security profiles for Docker (Engine)
Secure Engine
Use trusted images
Using certificates for repository client verification (Engine)
Engine: Tutorials
Engine tutorials
Network containers (Engine)
Get Started
Part 1: Orientation
Part 2: Containers
Part 3: Services
Part 4: Swarms
Part 5: Stacks
Part 6: Deploy your app
Machine
Amazon Web Services (Machine)
Digital Ocean (Machine)
docker-machine active
docker-machine config
docker-machine create
docker-machine env
docker-machine help
docker-machine inspect
docker-machine ip
docker-machine kill
docker-machine ls
docker-machine provision
docker-machine regenerate-certs
docker-machine restart
docker-machine rm
docker-machine scp
docker-machine ssh
docker-machine start
docker-machine status
docker-machine stop
docker-machine upgrade
docker-machine url
Driver options and operating system defaults (Machine)
Drivers overview (Machine)
Exoscale (Machine)
Generic (Machine)
Get started with a local VM (Machine)
Google Compute Engine (Machine)
IBM Softlayer (Machine)
Install Machine
Machine
Machine CLI overview
Machine command-line completion
Machine concepts and help
Machine overview
Microsoft Azure (Machine)
Microsoft Hyper-V (Machine)
Migrate from Boot2Docker to Machine
OpenStack (Machine)
Oracle VirtualBox (Machine)
Provision AWS EC2 instances (Machine)
Provision Digital Ocean Droplets (Machine)
Provision hosts in the cloud (Machine)
Rackspace (Machine)
VMware Fusion (Machine)
VMware vCloud Air (Machine)
VMware vSphere (Machine)
Notary
Client configuration (Notary)
Common Server and signer configurations (Notary)
Getting started with Notary
Notary changelog
Notary configuration files
Running a Notary service
Server configuration (Notary)
Signer configuration (Notary)
Understand the service architecture (Notary)
Use the Notary client
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Docker插件API
Docker插件是進(jìn)程外擴展，它為Docker引擎添加了功能。
本文檔描述了Docker Engine插件API。要查看由Docker Engine管理的插件的信息，請參閱Docker Engine插件系統(tǒng)。
本頁面適用于想要開發(fā)自己的Docker插件的人員。如果你只是想了解或使用Docker插件，請看這里。
什么插件
插件是與docker守護(hù)進(jìn)程運行在相同或不同主機上的進(jìn)程，它通過將文件放置在插件發(fā)現(xiàn)中描述的插件目錄之一中的同一個docker主機上進(jìn)行注冊。
插件具有人類可讀的名稱，它們是短小的字符串。例如，flocker或weave。
插件可以在容器內(nèi)部或外部運行。目前建議在容器外部運行它們。
插件發(fā)現(xiàn)
每當(dāng)用戶或容器嘗試按名稱使用插件時，Docker都會通過在插件目錄中查找插件來發(fā)現(xiàn)插件。
有三種類型的文件可以放在插件目錄中。
.sock文件是UNIX域套接字。
.spec文件是包含URL的文本文件，例如unix:///other.sock或tcp://localhost:8080。
.json文件是包含插件的完整json規(guī)范的文本文件。
具有UNIX域套接字文件的插件必須在相同的docker主機上運行，而具有spec或json文件的插件可以在不同的主機上運行（如果指定了遠(yuǎn)程URL）。
UNIX域套接字文件必須位于下/run/docker/plugins，而規(guī)范的文件可以在位于/etc/docker/plugins或/usr/lib/docker/plugins。
文件的名稱（不包括擴展名）確定插件名稱。
例如，flocker插件可能會在中創(chuàng)建一個UNIX套接字/run/docker/plugins/flocker.sock。
如果您想將相互隔離的定義隔離起來，您可以將每個插件定義到一個單獨的子目錄中。例如，您可以在容器內(nèi)創(chuàng)建flocker套接字/run/docker/plugins/flocker/flocker.sock并僅將其安裝/run/docker/plugins/flocker在該flocker容器內(nèi)。
Docker總是首先搜索unix套接字/run/docker/plugins。它檢查規(guī)范或json文件/etc/docker/plugins，/usr/lib/docker/plugins如果套接字不存在。目錄掃描只要找到具有給定名稱的第一個插件定義就會停止。
JSON規(guī)范
這是插件的JSON格式：
{ "Name": "plugin-example", "Addr": "https://example.com/docker/plugin", "TLSConfig": { "InsecureSkipVerify": false, "CAFile": "/usr/shared/docker/certs/example-ca.pem", "CertFile": "/usr/shared/docker/certs/example-cert.pem", "KeyFile": "/usr/shared/docker/certs/example-key.pem" }}TLSConfig字段是可選的，只有在配置存在時才會驗證TLS。
插件生命周期
插件應(yīng)該在Docker之前啟動，并在Docker之后停止。例如，在為支持的平臺打包插件時systemd，可以使用systemd依賴關(guān)系來管理啟動和關(guān)閉順序。
升級插件時，應(yīng)首先停止Docker守護(hù)程序，升級插件，然后再次啟動Docker。
插件激活
當(dāng)插件首次被引用時 - 無論是由用戶引用它的名稱（例如docker run --volume-driver=foo）還是已經(jīng)配置為使用插件的容器 - Docker在插件目錄中查找指定的插件，并通過握手激活它。請參閱下面的握手API。
在Docker守護(hù)程序啟動時插件不會自動激活。相反，它們只在需要時才會被懶惰地或按需地激活。
Systemd套接字激活
插件也可能被套接字激活systemd。官方的插件助手本地支持套接字激活。為了插件被套接字激活，它需要一個service文件和一個socket文件。
service文件（例如/lib/systemd/system/your-plugin.service）：
[Unit]Description=Your plugin Before=docker.service After=network.target your-plugin.socket Requires=your-plugin.socket docker.service[Service]ExecStart=/usr/lib/docker/your-plugin[Install]WantedBy=multi-user.target
socket文件（例如/lib/systemd/system/your-plugin.socket）：
[Unit]Description=Your plugin[Socket]ListenStream=/run/docker/plugins/your-plugin.sock[Install]WantedBy=sockets.target
當(dāng)Docker守護(hù)進(jìn)程連接到它們正在監(jiān)聽的套接字（例如守護(hù)進(jìn)程第一次使用它們或者其中一個插件意外關(guān)閉）時，這將允許插件實際啟動。
API設(shè)計
插件API是基于HTTP的RPC風(fēng)格的JSON，非常像webhook。
請求Flow從Docker守護(hù)到該插件。所以插件需要實現(xiàn)一個HTTP服務(wù)器并將其綁定到“plugin discovery”部分中提到的UNIX套接字。
所有請求都是HTTPPOST請求。
該API通過一個Accept標(biāo)頭進(jìn)行版本控制，該標(biāo)頭目前始終設(shè)置為application/vnd.docker.plugins.v1+json。
Handshake API
通過以下“handshake”API調(diào)用來激活插件。
/Plugin.Activate
請求：empty body
回應(yīng)：
{ "Implements": ["VolumeDriver"]}響應(yīng)此插件實現(xiàn)的Docker子系統(tǒng)列表。激活后，插件將從這個子系統(tǒng)發(fā)送事件。
可能的值是：
authz
NetworkDriver
VolumeDriver
插件重試
嘗試調(diào)用插件上的方法將重試指數(shù)回退長達(dá)30秒。當(dāng)將插件封裝為容器時，這可能會有所幫助，因為它使得插件容器在發(fā)生依賴于它們的任何用戶容器失敗之前有機會啟動。
插件助手
為了簡化插件開發(fā)，我們sdk為Docker /go-plugins-helpers目前支持的各種插件提供了一個插件。