docker数据卷挂载分为3种：
- 匿名挂载：-v 参数后面 没有写上容器之外的地址， docker 自己会在docker内部给你找个位置
docker run -d -P --name nginx02 -v /etc/nginx/ nginx
- 具名挂载：-v 参数 卷名：容器内路径
###具名卷为 jumping_nginx
docker run -d -P --name nginx02 -v jumping_nginx:/etc/nginx/ nginx
- 指定路径挂载：-v /宿主机路径：容器内路径
docker run -d -P --name nginx02 -v /etc/nginx/ nginx
为了清楚各容器的挂载路径，一般都使用具名挂载
我们可以使用inspect命令来查看容器的mount挂载：
##查看所有容器卷
docker volume ls
###查看指定容器卷的情况
docker volume inspect 8b419fa96a9b5bcae5c5048d3c41833e9f9b170b9bcb13a490d30697c38a12d7
[
{
"CreatedAt": "2022-04-18T02:50:56+08:00",
"Driver": "local",
"Labels": null,
"Mountpoint": "/var/lib/docker/volumes/8b419fa96a9b5bcae5c5048d3c41833e9f9b170b9bcb13a490d30697c38a12d7/_data",
"Name": "8b419fa96a9b5bcae5c5048d3c41833e9f9b170b9bcb13a490d30697c38a12d7",
"Options": null,
"Scope": "local"
}
]
###查看容器的情况，也可以查看相应的卷挂载情况 查看Mounts节点
[root@localhost volumes]# docker inspect compose-redis-1
[
{
"Id": "e1168965cd0e8690d5fbaa62b052554aae09fcccbb2312f18f80fffab240b541",
"Created": "2022-04-17T17:50:53.438621996Z",
"Path": "docker-entrypoint.sh",
"Args": [
"redis-server"
],
"State": {
"Status": "running",
"Running": true,
"Paused": false,
"Restarting": false,
"OOMKilled": false,
"Dead": false,
"Pid": 6185,
"ExitCode": 0,
"Error": "",
"StartedAt": "2022-04-17T17:50:56.00208021Z",
"FinishedAt": "0001-01-01T00:00:00Z"
},
"Image": "sha256:3900abf4155226f3f62401054b872ce0c85b5c3b47275cae3d16a39c8646e36b",
"ResolvConfPath": "/var/lib/docker/containers/e1168965cd0e8690d5fbaa62b052554aae09fcccbb2312f18f80fffab240b541/resolv.conf",
"HostnamePath": "/var/lib/docker/containers/e1168965cd0e8690d5fbaa62b052554aae09fcccbb2312f18f80fffab240b541/hostname",
"HostsPath": "/var/lib/docker/containers/e1168965cd0e8690d5fbaa62b052554aae09fcccbb2312f18f80fffab240b541/hosts",
"LogPath": "/var/lib/docker/containers/e1168965cd0e8690d5fbaa62b052554aae09fcccbb2312f18f80fffab240b541/e1168965cd0e8690d5fbaa62b052554aae09fcccbb2312f18f80fffab240b541-json.log",
"Name": "/compose-redis-1",
"RestartCount": 0,
"Driver": "overlay2",
"Platform": "linux",
"MountLabel": "",
"ProcessLabel": "",
"AppArmorProfile": "",
"ExecIDs": null,
"HostConfig": {
"Binds": [],
"ContainerIDFile": "",
"LogConfig": {
"Type": "json-file",
"Config": {}
},
"NetworkMode": "compose_default",
"PortBindings": {},
"RestartPolicy": {
"Name": "",
"MaximumRetryCount": 0
},
"AutoRemove": false,
"VolumeDriver": "",
"VolumesFrom": null,
"CapAdd": null,
"CapDrop": null,
"CgroupnsMode": "host",
"Dns": null,
"DnsOptions": null,
"DnsSearch": null,
"ExtraHosts": null,
"GroupAdd": null,
"IpcMode": "private",
"Cgroup": "",
"Links": null,
"OomScoreAdj": 0,
"PidMode": "",
"Privileged": false,
"PublishAllPorts": false,
"ReadonlyRootfs": false,
"SecurityOpt": null,
"UTSMode": "",
"UsernsMode": "",
"ShmSize": 67108864,
"Runtime": "runc",
"ConsoleSize": [
0,
0
],
"Isolation": "",
"CpuShares": 0,
"Memory": 0,
"NanoCpus": 0,
"CgroupParent": "",
"BlkioWeight": 0,
"BlkioWeightDevice": null,
"BlkioDeviceReadBps": null,
"BlkioDeviceWriteBps": null,
"BlkioDeviceReadIOps": null,
"BlkioDeviceWriteIOps": null,
"CpuPeriod": 0,
"CpuQuota": 0,
"CpuRealtimePeriod": 0,
"CpuRealtimeRuntime": 0,
"CpusetCpus": "",
"CpusetMems": "",
"Devices": null,
"DeviceCgroupRules": null,
"DeviceRequests": null,
"KernelMemory": 0,
"KernelMemoryTCP": 0,
"MemoryReservation": 0,
"MemorySwap": 0,
"MemorySwappiness": null,
"OomKillDisable": false,
"PidsLimit": null,
"Ulimits": null,
"CpuCount": 0,
"CpuPercent": 0,
"IOMaximumIOps": 0,
"IOMaximumBandwidth": 0,
"MaskedPaths": [
"/proc/asound",
"/proc/acpi",
"/proc/kcore",
"/proc/keys",
"/proc/latency_stats",
"/proc/timer_list",
"/proc/timer_stats",
"/proc/sched_debug",
"/proc/scsi",
"/sys/firmware"
],
"ReadonlyPaths": [
"/proc/bus",
"/proc/fs",
"/proc/irq",
"/proc/sys",
"/proc/sysrq-trigger"
]
},
"GraphDriver": {
"Data": {
"LowerDir": "/var/lib/docker/overlay2/c0e1b23a26452b69bf05b3dd748bc28b3b90f3be675d209af60b207d82ec5380-init/diff:/var/lib/docker/overlay2/4ebd58f191252abf1df2e5cd2d1920c6f625147fb0754539f0877b5a52579599/diff:/var/lib/docker/overlay2/3f2015c37d408f7bc244037f8037bdf22fb52423e8c77d2cc0124919a05fd240/diff:/var/lib/docker/overlay2/b221d663b94f2b2d895c6cf8b5f244d4bdce5059c13dd3573bb31d355a800bc4/diff:/var/lib/docker/overlay2/1651d229e712da1d7eb215467193cfacfe58e2032489abfcf5a0d091da14463b/diff:/var/lib/docker/overlay2/aafc6e586b8766984ccf6868988f2ca84d3d346d2074ee8934c2b6337d4d2436/diff:/var/lib/docker/overlay2/c7a6d8c7c9dd668dd92e9176a08bab41fc4d8259fae40a59a43547432ee6ebb2/diff",
"MergedDir": "/var/lib/docker/overlay2/c0e1b23a26452b69bf05b3dd748bc28b3b90f3be675d209af60b207d82ec5380/merged",
"UpperDir": "/var/lib/docker/overlay2/c0e1b23a26452b69bf05b3dd748bc28b3b90f3be675d209af60b207d82ec5380/diff",
"WorkDir": "/var/lib/docker/overlay2/c0e1b23a26452b69bf05b3dd748bc28b3b90f3be675d209af60b207d82ec5380/work"
},
"Name": "overlay2"
},
"Mounts": [
{
"Type": "volume",
"Name": "8b419fa96a9b5bcae5c5048d3c41833e9f9b170b9bcb13a490d30697c38a12d7",
"Source": "/var/lib/docker/volumes/8b419fa96a9b5bcae5c5048d3c41833e9f9b170b9bcb13a490d30697c38a12d7/_data",
"Destination": "/data",
"Driver": "local",
"Mode": "",
"RW": true,
"Propagation": ""
}
],
"Config": {
"Hostname": "e1168965cd0e",
"Domainname": "",
"User": "",
"AttachStdin": false,
"AttachStdout": true,
"AttachStderr": true,
"ExposedPorts": {
"6379/tcp": {}
},
"Tty": false,
"OpenStdin": false,
"StdinOnce": false,
"Env": [
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
"REDIS_VERSION=6.2.6",
"REDIS_DOWNLOAD_URL=http://download.redis.io/releases/redis-6.2.6.tar.gz",
"REDIS_DOWNLOAD_SHA=5b2b8b7a50111ef395bf1c1d5be11e6e167ac018125055daa8b5c2317ae131ab"
],
"Cmd": [
"redis-server"
],
"Image": "redis:alpine",
"Volumes": {
"/data": {}
},
"WorkingDir": "/data",
"Entrypoint": [
"docker-entrypoint.sh"
],
"OnBuild": null,
"Labels": {
"com.docker.compose.config-hash": "053d300a91fcde32e03199ecf32d233be9618157a2e918a8e8856d190446fdb1",
"com.docker.compose.container-number": "1",
"com.docker.compose.depends_on": "",
"com.docker.compose.image": "sha256:3900abf4155226f3f62401054b872ce0c85b5c3b47275cae3d16a39c8646e36b",
"com.docker.compose.oneoff": "False",
"com.docker.compose.project": "compose",
"com.docker.compose.project.config_files": "/usr/local/compose/docker-compose.yml",
"com.docker.compose.project.working_dir": "/usr/local/compose",
"com.docker.compose.service": "redis",
"com.docker.compose.version": "2.5.0"
}
},
"NetworkSettings": {
"Bridge": "",
"SandboxID": "e134d06b245f8cc85564d67c6aa7aa46c23aa429d225f8ba855c2005a01ff85d",
"HairpinMode": false,
"LinkLocalIPv6Address": "",
"LinkLocalIPv6PrefixLen": 0,
"Ports": {
"6379/tcp": null
},
"SandboxKey": "/var/run/docker/netns/e134d06b245f",
"SecondaryIPAddresses": null,
"SecondaryIPv6Addresses": null,
"EndpointID": "",
"Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"IPAddress": "",
"IPPrefixLen": 0,
"IPv6Gateway": "",
"MacAddress": "",
"Networks": {
"compose_default": {
"IPAMConfig": null,
"Links": null,
"Aliases": [
"compose-redis-1",
"redis",
"e1168965cd0e"
],
"NetworkID": "7612e9a9b87a36ce0f517e65d3400e8d2d44dd5b79c0c6b7833a5fec1fa4125e",
"EndpointID": "78006a5dff043984c21fbee1cd37717936d92f3b0d3c28c97cf431bc43316aba",
"Gateway": "172.18.0.1",
"IPAddress": "172.18.0.2",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:12:00:02",
"DriverOpts": null
}
}
}
}
]
我们还可以指定路径的读写权限：
rw :可读可写的权限
ro : 可读权限
docker run -d -P --name nginx03 -v juming-nginx:/etc/nginx:ro nginx
ro 权限说明命令只可以被宿主机操作，容器的内部将无法进行操作
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