-a, --all Show all images (default hides intermediate images) --digests Show digests -f, --filter=[] Filter output based on conditions provided --format Pretty-print images using a Go template --help Print usage --no-trunc Don't truncate output -q, --quiet Only show numeric IDs
Usage: docker run [OPTIONS] IMAGE [COMMAND] [ARG...]
Run a command in a new container
-a, --attach=[] Attach to STDIN, STDOUT or STDERR --add-host=[] Add a custom host-to-IP mapping (host:ip) --blkio-weight Block IO (relative weight), between 10 and 1000 --blkio-weight-device=[] Block IO weight (relative device weight) --cpu-shares CPU shares (relative weight) --cap-add=[] Add Linux capabilities --cap-drop=[] Drop Linux capabilities --cgroup-parent Optional parent cgroup for the container --cidfile Write the container ID to the file --cpu-period Limit CPU CFS (Completely Fair Scheduler) period --cpu-quota Limit CPU CFS (Completely Fair Scheduler) quota --cpuset-cpus CPUs in which to allow execution (0-3, 0,1) --cpuset-mems MEMs in which to allow execution (0-3, 0,1) -d, --detach Run container in background and print container ID --detach-keys Override the key sequence for detaching a container --device=[] Add a host device to the container --device-read-bps=[] Limit read rate (bytes per second) from a device --device-read-iops=[] Limit read rate (IO per second) from a device --device-write-bps=[] Limit write rate (bytes per second) to a device --device-write-iops=[] Limit write rate (IO per second) to a device --disable-content-trust=true Skip image verification --dns=[] Set custom DNS servers --dns-opt=[] Set DNS options --dns-search=[] Set custom DNS search domains -e, --env=[] Set environment variables --entrypoint Overwrite the default ENTRYPOINT of the image --env-file=[] Read in a file of environment variables --expose=[] Expose a port or a range of ports --group-add=[] Add additional groups to join -h, --hostname Container host name --help Print usage -i, --interactive Keep STDIN open even if not attached --ip Container IPv4 address (e.g. 172.30.100.104) --ip6 Container IPv6 address (e.g. 2001:db8::33) --ipc IPC namespace to use --isolation Container isolation level --kernel-memory Kernel memory limit -l, --label=[] Set meta data on a container --label-file=[] Read in a line delimited file of labels --link=[] Add link to another container --log-driver Logging driver for container --log-opt=[] Log driver options -m, --memory Memory limit --mac-address Container MAC address (e.g. 92:d0:c6:0a:29:33) --memory-reservation Memory soft limit --memory-swap Swap limit equal to memory plus swap: '-1' to enable unlimited swap --memory-swappiness=-1 Tune container memory swappiness (0 to 100) --name Assign a name to the container --net=default Connect a container to a network --net-alias=[] Add network-scoped alias for the container --oom-kill-disable Disable OOM Killer --oom-score-adj Tune host's OOM preferences (-1000 to 1000) -P, --publish-all Publish all exposed ports to random ports -p, --publish=[] Publish a container's port(s) to the host --pid PID namespace to use --privileged Give extended privileges to this container --read-only Mount the container's root filesystem as read only --restart=no Restart policy to apply when a container exits --rm Automatically remove the container when it exits --security-opt=[] Security Options --shm-size Size of /dev/shm, default value is 64MB --sig-proxy=true Proxy received signals to the process --stop-signal=SIGTERM Signal to stop a container, SIGTERM by default -t, --tty Allocate a pseudo-TTY --tmpfs=[] Mount a tmpfs directory -u, --user Username or UID (format: <name|uid>[:<group|gid>]) --ulimit=[] Ulimit options --uts UTS namespace to use -v, --volume=[] Bind mount a volume --volume-driver Optional volume driver for the container --volumes-from=[] Mount volumes from the specified container(s) -w, --workdir Working directory inside the container
IMAGE可以为镜像名或者镜像ID。 示例:
1 2
sudo docker run -t -i ouruser/sinatra:v2 /bin/bash sudo docker run -d ubuntu:14.04 /bin/sh -c "while true; do echo hello world; sleep 1; done" #守护态运行
在执行 docker run 的时候如果添加 –rm 标记,则容器在终止后会立刻删除。注意,–rm 和 -d 参数不能同时使用。
docker logs
说明:获取容器输出的信息,适用于守护态运行docker容器。
1 2 3 4 5 6 7 8 9 10 11
[root@localhost ~]# docker logs --help
Usage: docker logs [OPTIONS] CONTAINER
Fetch the logs of a container
-f, --follow Follow log output --help Print usage --since Show logs since timestamp -t, --timestamps Show timestamps --tail=all Number of lines to show from the end of the logs
--help Print usage -t, --time=10 Seconds to wait for stop before killing the container
docker attach
说明:在使用 -d 参数时,容器启动后会进入后台。 某些时候需要进入容器进行操作就可以用它。
1 2 3 4 5 6 7 8 9 10
[root@localhost ~]# docker attach --help
Usage: docker attach [OPTIONS] CONTAINER
Attach to a running container
--detach-keys Override the key sequence for detaching a container --help Print usage --no-stdin Do not attach STDIN --sig-proxy=true Proxy all received signals to the process
-a, --all Show all containers (default shows just running) -f, --filter=[] Filter output based on conditions provided --format Pretty-print containers using a Go template --help Print usage -l, --latest Show the latest created container (includes all states) -n=-1 Show n last created containers (includes all states) --no-trunc Don't truncate output -q, --quiet Only display numeric IDs -s, --size Display total file sizes
示例:
1
[root@localhost ~]# docker ps -a
docker export
说明:导出本地某个容器为快照文件
1 2 3 4 5 6 7 8
[root@localhost ~]# docker export --help
Usage: docker export [OPTIONS] CONTAINER
Export a container's filesystem as a tar archive
--help Print usage -o, --output Write to a file, instead of STDOUT
-f, --force Force the removal of a running container (uses SIGKILL) --help Print usage -l, --link Remove the specified link -v, --volumes Remove the volumes associated with the container
示例:
1
[root@localhost ~]# docker rm $(docker ps -a -q) #清理所有处于终止状态的容器
docker rmi
说明:移除本地镜像,移出前需要先移除到镜像对应的容器。
1 2 3 4 5 6 7 8 9
[root@localhost ~]# docker rmi --help
Usage: docker rmi [OPTIONS] IMAGE [IMAGE...]
Remove one or more images
-f, --force Force removal of the image --help Print usage --no-prune Do not delete untagged parents
Return low-level information on a container or image
-f, --format Format the output using the given go template --help Print usage -s, --size Display total file sizes if the type is container --type Return JSON for specified type, (e.g image or container)
docker port
说明:来查看当前映射的端口配置,也可以查看到绑定的地址。
1 2 3 4 5 6 7
[root@localhost ~]# docker port --help
Usage: docker port [OPTIONS] CONTAINER [PRIVATE_PORT[/PROTO]]
List port mappings or a specific mapping for the CONTAINER