[docker]docker命令docker run的小结
1,FROM alpine:latestRUN apk add --update htop && rm -rf /var/cache/apk/*CMD ["htop"]docker build -t myhtop .docker run -it --rm --pid=host myhtopJoining another container’s pid namespace ca
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http://www.runoob.com/docker/docker-run-command.html
1,
FROM alpine:latest
RUN apk add --update htop && rm -rf /var/cache/apk/*
CMD ["htop"]
docker build -t myhtop .
docker run -it --rm --pid=host myhtop
Joining another container’s pid namespace can be used for debugging that container.
$ docker run -it --pid=container:my-redis my_strace_docker_image bash
$ strace -p 1
2.管理网络
$ docker network ls
NETWORK ID NAME DRIVER
7fca4eb8c647 bridge bridge
9f904ee27bf5 none null
cf03ee007fb4 host host
$ docker run -itd --name=container1 busybox
$ docker run -itd --name=container2 busybox
$ docker network inspect bridge
3,管理hosts
$ docker run -it --add-host db-static:86.75.30.9 ubuntu cat /etc/hosts
172.17.0.22 09d03f76bf2c
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
127.0.0.1 localhost
::1 localhost ip6-localhost ip6-loopback
86.75.30.9 db-static
3,过滤各种信息
$ docker inspect -f "{{ .State.StartedAt }}" my-container
# 2015-03-04T23:47:07.691840179Z
4,restart
$ docker run --restart=always redis
$ docker run --restart=on-failure:10 redis
5,限制资源
$ docker run -it -m 300M ubuntu:14.04 /bin/bash
$ docker run -it -m 300M --memory-swap 1G ubuntu:14.04 /bin/bash
6,健康检查
$ docker run --name=test -d \
--health-cmd='stat /etc/passwd || exit 1' \
--health-interval=2s \
busybox sleep 1d
$ sleep 2; docker inspect --format='{{.State.Health.Status}}' test
healthy
$ docker exec test rm /etc/passwd
$ sleep 2; docker inspect --format='{{json .State.Health}}' test
7,指定工作目录
[root@lanny ~]# docker run -it --rm -w=/tmp busybox
/tmp #
8,指定env
docker run -e "deep=purple" --rm ubuntu /bin/bash -c export
9, --expose 抛出端口
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