docker 基于容器创建本地web容器化镜像

wuhuhuan2024-02-09 12:31

一、docker 基于容器创建本地web容器化镜像

1、启动指定buysbox 镜像

bash 复制代码 
docker run --name b1 -it busybox:latest

2、创建目录，并创建html

bash 复制代码 
mkdir -p /data/html
vi index.html

内容自定义例如：<h1>welcome to busybox<h1>

3、新增窗口，创建镜像

bash 复制代码 
docker commit -a "user<6666@qq.com>" -c 'CMD ["/bin/httpd","-f","-h","/data/html/"]' -p b1 rep/user:v3.0

命令解析：

bash 复制代码 
[root@localhost ~]# docker commit --help

Usage:  docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]

Create a new image from a container's changes

Options:
  -a, --author string    Author (e.g., "John Hannibal Smith <hannibal@a-team.com>")
  -c, --change list      Apply Dockerfile instruction to the created image
  -m, --message string   Commit message
  -p, --pause            Pause container during commit (default true)

-a 是设置作者的名字和邮箱

-c 是指定 dockerfile 的配置。例如上面是执行CMD里面的命令。让他启动容器时候就运行

/bin/httpd -f -h /data/html/ ，这样，启动容器化后就可以访问到html index.html 页面

-p 是新建容器，暂定容器

b1 是启动的容器化的命名

查看镜像

bash 复制代码 
[root@localhost ~]# docker image ls
REPOSITORY               TAG             IMAGE ID       CREATED          SIZE
rep/user                 v3.0            ac68fbf602d6   11 seconds ago   1.24MB
rep/tag                  v3.0            d9b9295a2e80   19 minutes ago   1.24MB
rep/tag                  v2.0            89014fda351b   51 minutes ago   1.24MB
res/wuhuhuan             v1.1.1          89014fda351b   51 minutes ago   1.24MB
busybox                  latest          16ea53ea7c65   2 years ago      1.24MB
quay.io/coreos/flannel   v0.14.0-arm64   85fc911ceba5   2 years ago      67.2MB
nginx                    1.14-alpine     8a2fb25a19f5   4 years ago      16MB

查看配置是否更改

bash 复制代码 
[root@localhost ~]# docker inspect rep/user:v3.0
[
    {
        "Id": "sha256:ac68fbf602d6e2271e6c96bfea658899acbb7ba74a2e83044b90e50666b48e78",
        "RepoTags": [
            "rep/user:v3.0"
        ],
        "RepoDigests": [],
        "Parent": "sha256:16ea53ea7c652456803632d67517b78a4f9075a10bfdc4fc6b7b4cbf2bc98497",
        "Comment": "",
        "Created": "2024-02-08T08:35:17.347089055Z",
        "Container": "b59d841d65102533088e703838bd3df3ab582a816644c369b703fd03f60b4d4a",
        "ContainerConfig": {
            "Hostname": "b59d841d6510",
            "Domainname": "",
            "User": "",
            "AttachStdin": true,
            "AttachStdout": true,
            "AttachStderr": true,
            "Tty": true,
            "OpenStdin": true,
            "StdinOnce": true,
            "Env": [
                "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
            ],
            "Cmd": [
                "sh"
            ],
            "Image": "busybox",
            "Volumes": null,
            "WorkingDir": "",
            "Entrypoint": null,
            "OnBuild": null,
            "Labels": {}
        },
        "DockerVersion": "20.10.8",
        "Author": "user<6666@qq.com>",
        "Config": {
            "Hostname": "b59d841d6510",
            "Domainname": "",
            "User": "",
            "AttachStdin": true,
            "AttachStdout": true,
            "AttachStderr": true,
            "Tty": true,
            "OpenStdin": true,
            "StdinOnce": true,
            "Env": [
                "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
            ],
            "Cmd": [
                "/bin/httpd",
                "-f",
                "-h",
                "/data/html/"
            ],
            "Image": "busybox",
            "Volumes": null,
            "WorkingDir": "",
            "Entrypoint": null,
            "OnBuild": null,
            "Labels": {}
        },
        "Architecture": "amd64",
        "Os": "linux",
        "Size": 1235989,
        "VirtualSize": 1235989,
        "GraphDriver": {
            "Data": {
                "LowerDir": "/var/lib/docker/overlay2/1d3ee61fa87959f86ffcdc962b53b312f4990382fb2c800708019c8472c8041a/diff",
                "MergedDir": "/var/lib/docker/overlay2/156150a591d65edb67085d724f3aca64803258c434ced16eba09255477f75907/merged",
                "UpperDir": "/var/lib/docker/overlay2/156150a591d65edb67085d724f3aca64803258c434ced16eba09255477f75907/diff",
                "WorkDir": "/var/lib/docker/overlay2/156150a591d65edb67085d724f3aca64803258c434ced16eba09255477f75907/work"
            },
            "Name": "overlay2"
        },
        "RootFS": {
            "Type": "layers",
            "Layers": [
                "sha256:cfd97936a58000adc09a9f87adeeb7628a2c71d11c4998e6e7f26935fa0cd713",
                "sha256:58e02db36919351af6ebda7ac2644efa7cafdb3608e78d67fe63290a38990707"
            ]
        },
        "Metadata": {
            "LastTagTime": "2024-02-08T03:35:17.3524158-05:00"
        }
    }
]

4、启动镜像

bash 复制代码 
[root@localhost ~]# docker run --name t6 rep/user:v3.0

5、查看启动容器ip

bash 复制代码 
[root@localhost ~]# docker inspect t6
[
    {
        "Id": "33ec9c548bfd0e6b439ae45dfde4b57e7c7b69b71a32f94ef5554b9e0df9c6ef",
        "Created": "2024-02-08T08:37:33.895339149Z",
        "Path": "/bin/httpd",
        "Args": [
            "-f",
            "-h",
            "/data/html/"
        ],
        "State": {
            "Status": "running",
            "Running": true,
            "Paused": false,
            "Restarting": false,
            "OOMKilled": false,
            "Dead": false,
            "Pid": 3113,
            "ExitCode": 0,
            "Error": "",
            "StartedAt": "2024-02-08T08:37:34.38201913Z",
            "FinishedAt": "0001-01-01T00:00:00Z"
        },
        "Image": "sha256:ac68fbf602d6e2271e6c96bfea658899acbb7ba74a2e83044b90e50666b48e78",
        "ResolvConfPath": "/var/lib/docker/containers/33ec9c548bfd0e6b439ae45dfde4b57e7c7b69b71a32f94ef5554b9e0df9c6ef/resolv.conf",
        "HostnamePath": "/var/lib/docker/containers/33ec9c548bfd0e6b439ae45dfde4b57e7c7b69b71a32f94ef5554b9e0df9c6ef/hostname",
        "HostsPath": "/var/lib/docker/containers/33ec9c548bfd0e6b439ae45dfde4b57e7c7b69b71a32f94ef5554b9e0df9c6ef/hosts",
        "LogPath": "/var/lib/docker/containers/33ec9c548bfd0e6b439ae45dfde4b57e7c7b69b71a32f94ef5554b9e0df9c6ef/33ec9c548bfd0e6b439ae45dfde4b57e7c7b69b71a32f94ef5554b9e0df9c6ef-json.log",
        "Name": "/t6",
        "RestartCount": 0,
        "Driver": "overlay2",
        "Platform": "linux",
        "MountLabel": "",
        "ProcessLabel": "",
        "AppArmorProfile": "",
        "ExecIDs": null,
        "HostConfig": {
            "Binds": null,
            "ContainerIDFile": "",
            "LogConfig": {
                "Type": "json-file",
                "Config": {}
            },
            "NetworkMode": "default",
            "PortBindings": {},
            "RestartPolicy": {
                "Name": "no",
                "MaximumRetryCount": 0
            },
            "AutoRemove": false,
            "VolumeDriver": "",
            "VolumesFrom": null,
            "CapAdd": null,
            "CapDrop": null,
            "CgroupnsMode": "host",
            "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": 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/overlay2/32516427ad632cfc78a84d39ba0b17551a3242cbc8fdb3c7a32a264dd28ca05e-init/diff:/var/lib/docker/overlay2/156150a591d65edb67085d724f3aca64803258c434ced16eba09255477f75907/diff:/var/lib/docker/overlay2/1d3ee61fa87959f86ffcdc962b53b312f4990382fb2c800708019c8472c8041a/diff",
                "MergedDir": "/var/lib/docker/overlay2/32516427ad632cfc78a84d39ba0b17551a3242cbc8fdb3c7a32a264dd28ca05e/merged",
                "UpperDir": "/var/lib/docker/overlay2/32516427ad632cfc78a84d39ba0b17551a3242cbc8fdb3c7a32a264dd28ca05e/diff",
                "WorkDir": "/var/lib/docker/overlay2/32516427ad632cfc78a84d39ba0b17551a3242cbc8fdb3c7a32a264dd28ca05e/work"
            },
            "Name": "overlay2"
        },
        "Mounts": [],
        "Config": {
            "Hostname": "33ec9c548bfd",
            "Domainname": "",
            "User": "",
            "AttachStdin": false,
            "AttachStdout": true,
            "AttachStderr": true,
            "Tty": false,
            "OpenStdin": false,
            "StdinOnce": false,
            "Env": [
                "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
            ],
            "Cmd": [
                "/bin/httpd",
                "-f",
                "-h",
                "/data/html/"
            ],
            "Image": "rep/user:v3.0",
            "Volumes": null,
            "WorkingDir": "",
            "Entrypoint": null,
            "OnBuild": null,
            "Labels": {}
        },
        "NetworkSettings": {
            "Bridge": "",
            "SandboxID": "19fd1b6c96beb856720a7308137b8a68811cadaf9381ee964ded4341cec32b73",
            "HairpinMode": false,
            "LinkLocalIPv6Address": "",
            "LinkLocalIPv6PrefixLen": 0,
            "Ports": {},
            "SandboxKey": "/var/run/docker/netns/19fd1b6c96be",
            "SecondaryIPAddresses": null,
            "SecondaryIPv6Addresses": null,
            "EndpointID": "b0e8a95b41d4362018942961d47615ab6cad056565b95f5eba4a2f7b433937d3",
            "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": "1dacca69e1651440892c19ca1297000fdf80ae51f33c02ec5f53d20753b1ebb0",
                    "EndpointID": "b0e8a95b41d4362018942961d47615ab6cad056565b95f5eba4a2f7b433937d3",
                    "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
                }
            }
        }
    }
]

6、curl 容器ip地址，可以看到配置生效

bash 复制代码 
[root@localhost ~]# curl 172.17.0.2
<h1>welcome to busybox<h1>

二、给容器打标签

bash 复制代码 
[root@localhost ~]# docker tag --help

Usage:  docker tag SOURCE_IMAGE[:TAG] TARGET_IMAGE[:TAG]

Create a tag TARGET_IMAGE that refers to SOURCE_IMAGE

1、用法 docker tag 源标签 新标签

如果没有标签，源标签用IMAGE ID如下图

2、通过image_id命令来打标签

bash 复制代码 
docker tag 160a180ce384 rep/user1:v4.0

3. 通过标签，替换标签命令如下

bash 复制代码 
docker tag rep/user1:v4.0 rep/user2:v5.0
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