その1：コンテナの作成のつづき。
前回作成したコンテナを調査する（funny_wu というのは、コンテナの名前）。
$ docker container inspect funny_wu （funny_wu というのは、Docker が自動的につけたコンテナ名）
[
{
"Id": "fe8d52bced5e983a1d3e06571653ac363ea8a7aca190667096220b66ee24b527",
"Created": "2023-02-15T23:04:50.537182754Z",
"Path": "/docker-entrypoint.sh",
"Args": [
"nginx",
"-g",
"daemon off;"
],
"State": {
"Status": "running",
"Running": true,
"Paused": false,
"Restarting": false,
"OOMKilled": false,
"Dead": false,
"Pid": 6930,
"ExitCode": 0,
"Error": "",
"StartedAt": "2023-02-16T09:20:56.538082526Z",
"FinishedAt": "2023-02-16T09:15:11.522895649Z"
},
"Image": "sha256:3f8a00f137a0d2c8a2163a09901e28e2471999fde4efc2f9570b91f1c30acf94",
"ResolvConfPath": "/var/lib/docker/containers/fe8d52bced5e983a1d3e06571653ac363ea8a7aca190667096220b66ee24b527/resolv.conf",
"HostnamePath": "/var/lib/docker/containers/fe8d52bced5e983a1d3e06571653ac363ea8a7aca190667096220b66ee24b527/hostname",
"HostsPath": "/var/lib/docker/containers/fe8d52bced5e983a1d3e06571653ac363ea8a7aca190667096220b66ee24b527/hosts",
"LogPath": "/var/lib/docker/containers/fe8d52bced5e983a1d3e06571653ac363ea8a7aca190667096220b66ee24b527/fe8d52bced5e983a1d3e06571653ac363ea8a7aca190667096220b66ee24b527-json.log",
"Name": "/funny_wu",
"RestartCount": 0,
"Driver": "overlay2",
"Platform": "linux",
"MountLabel": "",
"ProcessLabel": "",
"AppArmorProfile": "docker-default",
"ExecIDs": null,
"HostConfig": {
"Binds": null,
"ContainerIDFile": "",
"LogConfig": {
"Type": "json-file",
"Config": {
"tag": "{{.Name}}"
}
},
"NetworkMode": "default",
"PortBindings": {
"80/tcp": [
{
"HostIp": "",
"HostPort": "80"
}
]
},
"RestartPolicy": {
"Name": "no",
"MaximumRetryCount": 0
},
"AutoRemove": false,
"VolumeDriver": "",
"VolumesFrom": null,
"CapAdd": null,
"CapDrop": null,
"CgroupnsMode": "private",
"Dns": [],
"DnsOptions": [],
"DnsSearch": [],
"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": [],
"BlkioDeviceReadBps": null,
"BlkioDeviceWriteBps": null,
"BlkioDeviceReadIOps": null,
"BlkioDeviceWriteIOps": null,
"CpuPeriod": 0,
"CpuQuota": 0,
"CpuRealtimePeriod": 0,
"CpuRealtimeRuntime": 0,
"CpusetCpus": "",
"CpusetMems": "",
"Devices": [],
"DeviceCgroupRules": null,
"DeviceRequests": null,
"KernelMemory": 0,
"KernelMemoryTCP": 0,
"MemoryReservation": 0,
"MemorySwap": 0,
"MemorySwappiness": null,
"OomKillDisable": null,
"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/overlay2/3a43ac8b5812d3404a67a4697219fbd2f6cc651896fdb0b522e41dab81e5b918-init/diff:/var/lib/docker/overlay2/7ef67b89973e5c03e669dcc9f7f966178349d663673f168d364f17fa75ae0c82/diff:/var/lib/docker/overlay2/8a56958f4a506d678f6a925ae55a63b78bb6bebe91734ae7a9f6153d38a76b49/diff:/var/lib/docker/overlay2/a471fa7e575e808bd8182f06a3620fc69387cb919226cdde4d16c4539874df07/diff:/var/lib/docker/overlay2/f1f412f8541f40bdd5cad7692ee79ab9094a2bf35b31a3a856be0382d590d9b7/diff:/var/lib/docker/overlay2/f6f0900d411c7ded30447c1323b25786fec84c88c5efbbb5fd650d5b75633942/diff:/var/lib/docker/overlay2/586bb9d65ad031c2139d4458687b665330c5013f1d267b7bbf042fd257b87d30/diff",
"MergedDir": "/var/lib/docker/overlay2/3a43ac8b5812d3404a67a4697219fbd2f6cc651896fdb0b522e41dab81e5b918/merged",
"UpperDir": "/var/lib/docker/overlay2/3a43ac8b5812d3404a67a4697219fbd2f6cc651896fdb0b522e41dab81e5b918/diff",
"WorkDir": "/var/lib/docker/overlay2/3a43ac8b5812d3404a67a4697219fbd2f6cc651896fdb0b522e41dab81e5b918/work"
},
"Name": "overlay2"
},
"Mounts": [],
"Config": {
"Hostname": "fe8d52bced5e",
"Domainname": "",
"User": "",
"AttachStdin": false,
"AttachStdout": false,
"AttachStderr": false,
"ExposedPorts": {
"80/tcp": {}
},
"Tty": true,
"OpenStdin": false,
"StdinOnce": false,
"Env": [
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
"NGINX_VERSION=1.23.3",
"NJS_VERSION=0.7.9",
"PKG_RELEASE=1~bullseye"
],
"Cmd": [
"nginx",
"-g",
"daemon off;"
],
"Image": "nginx",
"Volumes": null,
"WorkingDir": "",
"Entrypoint": [
"/docker-entrypoint.sh"
],
"OnBuild": null,
"Labels": {
"maintainer": "NGINX Docker Maintainers <docker-maint@nginx.com>"
},
"StopSignal": "SIGQUIT"
},
"NetworkSettings": {
"Bridge": "",
"SandboxID": "32852a3737fe9b7721bc598f3288a9a69cbe0f7b3ec327668e1070c4d91e6dc7",
"HairpinMode": false,
"LinkLocalIPv6Address": "",
"LinkLocalIPv6PrefixLen": 0,
"Ports": {
"80/tcp": [
{
"HostIp": "0.0.0.0",
"HostPort": "80"
},
{
"HostIp": "::",
"HostPort": "80"
}
]
},
"SandboxKey": "/var/run/docker/netns/32852a3737fe",
"SecondaryIPAddresses": null,
"SecondaryIPv6Addresses": null,
"EndpointID": "f8d8de773c2af71c71ee4d408a0d9a5620ee746842adb0a4ce46cdda206529fc",
"Gateway": "172.17.0.1",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"IPAddress": "172.17.0.2",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"MacAddress": "02:42:ac:11:00:02",
"Networks": {
"bridge": {
"IPAMConfig": null,
"Links": null,
"Aliases": null,
"NetworkID": "04e41ae14810eb92050b5761607076043fec0ad50edcf09665f949706fb3cf7b",
"EndpointID": "f8d8de773c2af71c71ee4d408a0d9a5620ee746842adb0a4ce46cdda206529fc",
"Gateway": "172.17.0.1",
"IPAddress": "172.17.0.2",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:11:00:02",
"DriverOpts": null
}
}
}
}
]
その３：ポート番号の設定につづく。