Compose
About versions and upgrading (Compose)
ASP.NET Core + SQL Server on Linux (Compose)
CLI environment variables (Compose)
Command-line completion (Compose)
Compose（组成）
Compose command-line reference（组合命令行参考）
Control startup order (Compose)
Django and PostgreSQL (Compose)
Docker stacks and distributed application bundles (Compose)
docker-compose build（docker-compose构建）
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)
Deploy a service (Engine)
Deploy services to a swarm (Engine)
Deprecated Engine features
Docker container networking (Engine)
Docker overview (Engine)
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)
How services work (Engine)
Image management (Engine)
Inspect the service (Engine)
Install Docker (Engine)
IPv6 with Docker (Engine)
Join nodes to a swarm (Engine)
Legacy container links (Engine)
Lock your swarm (Engine)
Manage nodes in a swarm (Engine)
Manage sensitive data with Docker secrets (Engine)
Manage swarm security with PKI (Engine)
Manage swarm service networks (Engine)
Migrate to Engine 1.10
Optional Linux post-installation steps (Engine)
Overview (Engine)
PostgreSQL (Engine)
Raft consensus in swarm mode (Engine)
Riak (Engine)
Run Docker Engine in swarm mode
Scale the service (Engine)
SDKs (Engine)
Select a storage driver (Engine)
Set up for the tutorial (Engine)
SSHd (Engine)
Storage driver overview (Engine)
Store service configuration data (Engine)
Swarm administration guide (Engine)
Swarm mode key concepts (Engine)
Swarm mode overlay network security model (Engine)
Swarm mode overview (Engine)
Understand container communication (Engine)
Use multi-stage builds (Engine)
Use swarm mode routing mesh (Engine)
Use the AUFS storage driver (Engine)
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)
Use the ZFS storage driver (Engine)
Engine: Admin Guide
Amazon CloudWatch logs logging driver (Engine)
Bind mounts (Engine)
Collect Docker metrics with Prometheus (Engine)
Configuring and running Docker (Engine)
Configuring logging drivers (Engine)
Control and configure Docker with systemd (Engine)
ETW logging driver (Engine)
Fluentd logging driver (Engine)
Format command and log output (Engine)
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)
Log tags for logging driver (Engine)
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
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docker container unpause
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docker container wait
docker cp
docker create
docker deploy
docker diff
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docker exec
docker export
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docker images
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docker info
docker inspect
docker kill
docker load
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docker network
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docker service
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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)
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docker-machine active
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docker-machine stop
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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
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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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Figuren
Docker对未使用的对象%28(通常称为“垃圾收集”%29)采取保守的清理方法，例如图像、容器、卷和网络：除非明确要求Docker这样做，否则通常不会删除这些对象。这可能导致Docker使用额外的磁盘空间。对于每种类型的对象，Docker提供了一个prune命令。此外，您还可以使用docker system prune一次清除多种类型的对象。本主题演示如何使用这些prune命令。
剪枝图像
大docker image prune命令允许您清理未使用的图像。默认情况下，docker image prune只清理悬吊图像。悬空图像是没有标记的，也没有被任何容器引用的图像。若要删除悬挂的图像，请执行以下操作：
$ docker image prune WARNING! This will remove all dangling images.Are you sure you want to continue? [y/N] y
若要删除现有容器未使用的所有图像，请使用-a国旗：
$ docker image prune -a WARNING! This will remove all images without at least one container associated to them.Are you sure you want to continue? [y/N] y
默认情况下，将提示您继续。若要绕过提示符，请使用-f或--force旗子。
使用过滤表达式，可以限制哪些图像被剪除。--filter旗子。例如，仅考虑24小时前创建的图像：
$ docker image prune -a --filter "until=24h"
还有其他过滤表达式可用。见docker image prune参照系想要更多的例子。
修剪容器
停止容器时，除非使用--rm旗子。若要查看Docker主机上的所有容器，包括已停止的容器，请使用docker ps -a您可能会惊讶于有多少容器存在，特别是在开发系统%21 A中，停止容器的可写层仍然占用磁盘空间。若要清除此问题，可以使用docker container prune命令。
$ docker container prune WARNING! This will remove all stopped containers.Are you sure you want to continue? [y/N] y
默认情况下，将提示您继续。若要绕过提示符，请使用-f或--force旗子。
默认情况下，所有已停止的容器都将被移除。可以使用--filter旗子。例如，下面的命令只删除已停止的容器，这些容器的时间超过24小时：
$ docker container prune --filter "until=24h"
还有其他过滤表达式可用。见docker container prune参照系想要更多的例子。
修剪量
卷可以由一个或多个容器使用，并占用Docker主机上的空间。卷永远不会自动删除，因为这样做会破坏数据。
$ docker volume prune WARNING! This will remove all volumes not used by at least one container.Are you sure you want to continue? [y/N] y
默认情况下，将提示您继续。若要绕过提示符，请使用-f或--force旗子。
默认情况下，将删除所有未使用的卷。可以使用--filter旗子。例如，下面的命令只删除未使用keep标签：
$ docker volume prune --filter "label!=keep"
还有其他过滤表达式可用。见docker volume prune参照系想要更多的例子。
修剪网络
Docker网络占用的磁盘空间不多，但它们确实创建了iptables规则、桥接网络设备和路由表条目。要清理这些东西，你可以用docker network prune清理没有被任何容器使用的网络。
$ docker network prune WARNING! This will remove all networks not used by at least one container.Are you sure you want to continue? [y/N] y
默认情况下，将提示您继续。若要绕过提示符，请使用-f或--force旗子。
默认情况下，所有未使用的网络都将被删除。可以使用--filter旗子。例如，以下命令只删除24小时以上的网络：
$ docker network prune --filter "until=24h"
还有其他过滤表达式可用。见docker network prune参照系想要更多的例子。
修剪所有东西
大docker system prune命令是修剪图像、容器和网络的快捷方式。在Docker 17.06.0和更早版本中，卷也会被修剪。在Docker 17.06.1及更高版本中，必须指定--volumes旗docker system prune修剪卷。
$ docker system prune WARNING! This will remove: - all stopped containers - all networks not used by at least one container - all dangling images - all build cache Are you sure you want to continue? [y/N] y
如果您使用的是Docker 17.06.1或更高版本，并且希望也修剪卷，请添加--volumes国旗：
$ docker system prune --volumes WARNING! This will remove: - all stopped containers - all networks not used by at least one container - all volumes not used by at least one container - all dangling images - all build cache Are you sure you want to continue? [y/N] y
默认情况下，将提示您继续。若要绕过提示符，请使用-f或--force旗子。