一篇文章说完Docker

一、基础环境

$ uname -a Linux 172-20-100-118 4.18.0-546.el8.x86_64 #1 SMP Fri Mar 15 02:27:26 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux $ cat /etc/redhat-release CentOS Stream release 8 $ dnf install -y yum-utils device-mapper-persistent-data lvm2 $ dnf config-manager --add-repo=https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo $ yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo $ sed -i 's+download.docker.com+mirrors.tuna.tsinghua.edu.cn/docker-ce+' /etc/yum.repos.d/docker-ce.repo $ dnf install docker-ce $ systemctl start docker $ docker version Client: Docker Engine - Community Version: 26.0.0 API version: 1.45 Go version: go1.21.8 Git commit: 2ae903e Built: Wed Mar 20 15:19:04 2024 OS/Arch: linux/amd64 Context: default Server: Docker Engine - Community Engine: Version: 26.0.0 API version: 1.45 (minimum version 1.24) Go version: go1.21.8 Git commit: 8b79278 Built: Wed Mar 20 15:17:57 2024 OS/Arch: linux/amd64 Experimental: false containerd: Version: 1.6.28 GitCommit: ae07eda36dd25f8a1b98dfbf587313b99c0190bb runc: Version: 1.1.12 GitCommit: v1.1.12-0-g51d5e94 docker-init: Version: 0.19.0 GitCommit: de40ad0 $ docker info Client: Docker Engine - Community Version: 26.0.0 Context: default Debug Mode: false Plugins: buildx: Docker Buildx (Docker Inc.) Version: v0.13.1 Path: /usr/libexec/docker/cli-plugins/docker-buildx compose: Docker Compose (Docker Inc.) Version: v2.25.0 Path: /usr/libexec/docker/cli-plugins/docker-compose Server: Containers: 0 Running: 0 Paused: 0 Stopped: 0 Images: 0 Server Version: 26.0.0 Storage Driver: overlay2 Backing Filesystem: xfs Supports d_type: true Using metacopy: false Native Overlay Diff: true userxattr: false Logging Driver: json-file Cgroup Driver: cgroupfs Cgroup Version: 1 Plugins: Volume: local Network: bridge host ipvlan macvlan null overlay Log: awslogs fluentd gcplogs gelf journald json-file local splunk syslog Swarm: inactive Runtimes: io.containerd.runc.v2 runc Default Runtime: runc Init Binary: docker-init containerd version: ae07eda36dd25f8a1b98dfbf587313b99c0190bb runc version: v1.1.12-0-g51d5e94 init version: de40ad0 Security Options: seccomp Profile: builtin Kernel Version: 4.18.0-546.el8.x86_64 Operating System: CentOS Stream 8 OSType: linux Architecture: x86_64 CPUs: 4 Total Memory: 3.549GiB Name: 172-20-100-118 ID: d4882554-7660-4be9-a67e-c80a5ae0956e Docker Root Dir: /var/lib/docker Debug Mode: false Experimental: false Insecure Registries: 127.0.0.0/8 Live Restore Enabled: false $ mkdir /data/docker -p

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$ uname -a Linux 172-20-100-118 4.18.0-546.el8.x86_64 #1 SMP Fri Mar 15 02:27:26 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux $ cat /etc/redhat-release CentOS Stream release 8 $ dnf install -y yum-utils device-mapper-persistent-data lvm2 $ dnf config-manager --add-repo=https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo   $ yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo $ sed -i 's+download.docker.com+mirrors.tuna.tsinghua.edu.cn/docker-ce+' /etc/yum.repos.d/docker-ce.repo   $ dnf install docker-ce $ systemctl start docker $ docker version   Client: Docker Engine - Community Version:           26.0.0 API version:       1.45 Go version:        go1.21.8 Git commit:        2ae903e Built:             Wed Mar 20 15:19:04 2024 OS/Arch:           linux/amd64 Context:           default   Server: Docker Engine - Community Engine:   Version:          26.0.0   API version:      1.45 (minimum version 1.24)   Go version:       go1.21.8   Git commit:       8b79278   Built:            Wed Mar 20 15:17:57 2024   OS/Arch:          linux/amd64   Experimental:     false containerd:   Version:          1.6.28   GitCommit:        ae07eda36dd25f8a1b98dfbf587313b99c0190bb runc:   Version:          1.1.12   GitCommit:        v1.1.12-0-g51d5e94 docker-init:   Version:          0.19.0   GitCommit:        de40ad0   $ docker info   Client: Docker Engine - Community Version:    26.0.0 Context:    default Debug Mode: false Plugins:   buildx: Docker Buildx (Docker Inc.)     Version:  v0.13.1     Path:     /usr/libexec/docker/cli-plugins/docker-buildx   compose: Docker Compose (Docker Inc.)     Version:  v2.25.0     Path:     /usr/libexec/docker/cli-plugins/docker-compose   Server: Containers: 0   Running: 0   Paused: 0   Stopped: 0 Images: 0 Server Version: 26.0.0 Storage Driver: overlay2   Backing Filesystem: xfs   Supports d_type: true   Using metacopy: false   Native Overlay Diff: true   userxattr: false Logging Driver: json-file Cgroup Driver: cgroupfs Cgroup Version: 1 Plugins:   Volume: local   Network: bridge host ipvlan macvlan null overlay   Log: awslogs fluentd gcplogs gelf journald json-file local splunk syslog Swarm: inactive Runtimes: io.containerd.runc.v2 runc Default Runtime: runc Init Binary: docker-init containerd version: ae07eda36dd25f8a1b98dfbf587313b99c0190bb runc version: v1.1.12-0-g51d5e94 init version: de40ad0 Security Options:   seccomp    Profile: builtin Kernel Version: 4.18.0-546.el8.x86_64 Operating System: CentOS Stream 8 OSType: linux Architecture: x86_64 CPUs: 4 Total Memory: 3.549GiB Name: 172-20-100-118 ID: d4882554-7660-4be9-a67e-c80a5ae0956e Docker Root Dir: /var/lib/docker Debug Mode: false Experimental: false Insecure Registries:   127.0.0.0/8 Live Restore Enabled: false   $ mkdir /data/docker -p

⚫ OCI：Open Container Initiative的简称，由Linux基金会主导开发OCI规范和标准，目的是
围绕容器格式和Runtime（运行时）制定的一个开放的工业化标准。
⚫ Containerd：Docker为了兼容OCI标准，将容器Runtime及其管理功能从Docker守护进程中
剥离出来，用于不启动Docker也能直接通过Containerd来管理容器。
⚫ RunC：Docker按照OCF（Open Container Format）开放容器格式标准制定的一个轻量级
工具，可以使用RunC不通过Docker引擎即可实现容器的启动、停止和资源隔离等功能。 SourceByrd's Weblog-https://note.t4x.org/cloud/about-config-docker/

二、环境配置

fix:

三、Docker基础命令

$ docker login harbor.t4x.org Username: admin Password: WARNING! Your password will be stored unencrypted in /root/.docker/config.json. Configure a credential helper to remove this warning. See https://docs.docker.com/engine/reference/commandline/login/#credentials-store Login Succeeded $ docker pull harbor.t4x.org/<span class='keyword-inner'><a href="https://note.t4x.org/kubernetes/" title="K8S,kubernetes" target="_blank">K8S</a></span>/coredns:1.11.1 $ docker pull harbor.t4x.org/base/busybox:latest latest: Pulling from base/busybox 5cc84ad355aa: Pull complete Digest: sha256:62ffc2ed7554e4c6d360bce40bbcf196573dd27c4ce080641a2c59867e732dee Status: Downloaded newer image for harbor.t4x.org/base/busybox:latest harbor.t4x.org/base/busybox:latest $ docker image ls REPOSITORY TAG IMAGE ID CREATED SIZE harbor.t4x.org/k8s/coredns 1.11.1 cbb01a7bd410 8 months ago 59.8MB harbor.t4x.org/base/busybox latest beae173ccac6 2 years ago 1.24MB $ docker run --rm -it harbor.t4x.org/base/busybox sh / # ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever 4: eth0@if5: <BROADCAST,MULTICAST,UP,LOWER_UP,M-DOWN> mtu 1500 qdisc noqueue link/ether 02:42:c0:a8:01:01 brd ff:ff:ff:ff:ff:ff inet 192.168.1.1/24 brd 192.168.1.255 scope global eth0 valid_lft forever preferred_lft forever / # exit $ docker container ls CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES $ docker run --rm -it harbor.t4x.org/base/busybox sh / # exit $ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES $ docker run -it harbor.t4x.org/base/busybox sh / # exit $ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 9d9085674a71 harbor.t4x.org/base/busybox "sh" 5 seconds ago Exited (0) 1 second ago great_robinson $ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 9d9085674a71 harbor.t4x.org/base/busybox "sh" 2 minutes ago Exited (0) 2 minutes ago great_robinson $ docker container rm great_robinson great_robinson $ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES $ docker run -it harbor.t4x.org/base/busybox sh / # exit $ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 06240df46065 harbor.t4x.org/base/busybox "sh" 5 seconds ago Exited (0) 1 second ago awesome_elgamal $ docker container rm 06240df46065 06240df46065 $ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES $ docker run -itd harbor.t4x.org/base/busybox sh 83141fa990a406ad01ead544283b16615060af836036b4eabb0d2d7a44fa511f $ docker container ls CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 83141fa990a4 harbor.t4x.org/base/busybox "sh" 11 seconds ago Up 10 seconds youthful_tesla $ docker exec -ti 83141fa990a4 sh / # exit $ docker container ls CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 83141fa990a4 harbor.t4x.org/base/busybox "sh" 50 seconds ago Up 49 seconds youthful_tesla $ docker attach 83141fa990a4 / # exit $ docker container ls CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES $ docker run -itd harbor.t4x.org/base/busybox sh c7236b50ef919bfb6468434937983876d8cd8df7fcc6e58e0101bda2609b0e26 $ docker container ls CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES c7236b50ef91 harbor.t4x.org/base/busybox "sh" 4 seconds ago Up 2 seconds nostalgic_bardeen $ docker container ls CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES c7236b50ef91 harbor.t4x.org/base/busybox "sh" 35 seconds ago Up 33 seconds nostalgic_bardeen $ docker container stop c7236b50ef91 c7236b50ef91 $ docker container ls CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES $ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES c7236b50ef91 harbor.t4x.org/base/busybox "sh" About a minute ago Exited (137) 10 seconds ago nostalgic_bardeen 83141fa990a4 harbor.t4x.org/base/busybox "sh" 4 minutes ago Exited (0) 2 minutes ago youthful_tesla $ docker container start c7236b50ef91 c7236b50ef91 $ docker container ls CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES c7236b50ef91 harbor.t4x.org/base/busybox "sh" About a minute ago Up 3 seconds nostalgic_bardeen $ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES c7236b50ef91 harbor.t4x.org/base/busybox "sh" About a minute ago Up 6 seconds nostalgic_bardeen 83141fa990a4 harbor.t4x.org/base/busybox "sh" 4 minutes ago Exited (0) 2 minutes ago youthful_tesla $ docker container ls -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES c7236b50ef91 harbor.t4x.org/base/busybox "sh" 3 minutes ago Up 2 minutes nostalgic_bardeen 83141fa990a4 harbor.t4x.org/base/busybox "sh" 6 minutes ago Exited (0) 5 minutes ago youthful_tesla $ docker container start 83141fa990a4 83141fa990a4 $ docker container ls -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES c7236b50ef91 harbor.t4x.org/base/busybox "sh" 4 minutes ago Up 3 minutes nostalgic_bardeen 83141fa990a4 harbor.t4x.org/base/busybox "sh" 7 minutes ago Up 2 seconds youthful_tesla $ docker container rm c7236b50ef91 Error response from daemon: You cannot remove a running container c7236b50ef919bfb6468434937983876d8cd8df7fcc6e58e0101bda2609b0e26. Stop the container before attempting removal or force remove $ docker container stop c7236b50ef91 c7236b50ef91 $ docker container ls -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES c7236b50ef91 harbor.t4x.org/base/busybox "sh" 6 minutes ago Exited (137) 5 seconds ago nostalgic_bardeen 83141fa990a4 harbor.t4x.org/base/busybox "sh" 9 minutes ago Up About a minute youthful_tesla $ docker container rm c7236b50ef91 c7236b50ef91 $ docker container ls -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 83141fa990a4 harbor.t4x.org/base/busybox "sh" 9 minutes ago Up About a minute youthful_tesla $ docker run -itd harbor.t4x.org/base/busybox sh 0a2bd2371ace1e580f4430ea083b1632efeac54da357de28aefcce90a4e1d472 $ docker container ls -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 0a2bd2371ace harbor.t4x.org/base/busybox "sh" 7 seconds ago Up 6 seconds focused_thompson 83141fa990a4 harbor.t4x.org/base/busybox "sh" 11 minutes ago Up 3 minutes youthful_tesla $ docker container stop 0a2bd2371ace 0a2bd2371ace $ docker container ls -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 0a2bd2371ace harbor.t4x.org/base/busybox "sh" About a minute ago Exited (137) 39 seconds ago focused_thompson 83141fa990a4 harbor.t4x.org/base/busybox "sh" 12 minutes ago Up 4 minutes youthful_tesla $ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 0a2bd2371ace harbor.t4x.org/base/busybox "sh" About a minute ago Exited (137) 45 seconds ago focused_thompson 83141fa990a4 harbor.t4x.org/base/busybox "sh" 12 minutes ago Up 4 minutes youthful_tesla $ docker container prune WARNING! This will remove all stopped containers. Are you sure you want to continue? [y/N] y Deleted Containers: 0a2bd2371ace1e580f4430ea083b1632efeac54da357de28aefcce90a4e1d472 Total reclaimed space: 0B $ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 83141fa990a4 harbor.t4x.org/base/busybox "sh" 12 minutes ago Up 5 minutes youthful_tesla $ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 83141fa990a4 harbor.t4x.org/base/busybox "sh" 12 minutes ago Up 5 minutes youthful_tesla $ docker ps -aq 83141fa990a4 $ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 83141fa990a4 harbor.t4x.org/base/busybox "sh" 13 minutes ago Up 6 minutes youthful_tesla $ docker container rm $(docker ps -aq) Error response from daemon: You cannot remove a running container 83141fa990a406ad01ead544283b16615060af836036b4eabb0d2d7a44fa511f. Stop the container before attempting removal or force remove $ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 83141fa990a4 harbor.t4x.org/base/busybox "sh" 14 minutes ago Up 7 minutes youthful_tesla

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$ docker login harbor.t4x.org Username: admin Password: WARNING! Your password will be stored unencrypted in /root/.docker/config.json. Configure a credential helper to remove this warning. See https://docs.docker.com/engine/reference/commandline/login/#credentials-store   Login Succeeded $ docker pull harbor.t4x.org/k8s/coredns:1.11.1 $ docker pull harbor.t4x.org/base/busybox:latest latest: Pulling from base/busybox 5cc84ad355aa: Pull complete Digest: sha256:62ffc2ed7554e4c6d360bce40bbcf196573dd27c4ce080641a2c59867e732dee Status: Downloaded newer image for harbor.t4x.org/base/busybox:latest harbor.t4x.org/base/busybox:latest $ docker image ls REPOSITORY                    TAG       IMAGE ID       CREATED        SIZE harbor.t4x.org/k8s/coredns    1.11.1    cbb01a7bd410   8 months ago   59.8MB harbor.t4x.org/base/busybox   latest    beae173ccac6   2 years ago    1.24MB $ docker run --rm -it harbor.t4x.org/base/busybox sh / # ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue qlen 1000     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00     inet 127.0.0.1/8 scope host lo        valid_lft forever preferred_lft forever 4: eth0@if5: <BROADCAST,MULTICAST,UP,LOWER_UP,M-DOWN> mtu 1500 qdisc noqueue     link/ether 02:42:c0:a8:01:01 brd ff:ff:ff:ff:ff:ff     inet 192.168.1.1/24 brd 192.168.1.255 scope global eth0        valid_lft forever preferred_lft forever / # exit $ docker container ls CONTAINER ID   IMAGE     COMMAND   CREATED   STATUS    PORTS     NAMES $ docker run --rm -it harbor.t4x.org/base/busybox sh / # exit $ docker ps -a CONTAINER ID   IMAGE     COMMAND   CREATED   STATUS    PORTS     NAMES $ docker run  -it harbor.t4x.org/base/busybox sh       / # exit $ docker ps -a CONTAINER ID   IMAGE                         COMMAND   CREATED         STATUS                    PORTS     NAMES 9d9085674a71   harbor.t4x.org/base/busybox   "sh"      5 seconds ago   Exited (0) 1 second ago             great_robinson $ docker ps -a       CONTAINER ID   IMAGE                         COMMAND   CREATED         STATUS                     PORTS     NAMES 9d9085674a71   harbor.t4x.org/base/busybox   "sh"      2 minutes ago   Exited (0) 2 minutes ago             great_robinson $ docker container rm great_robinson great_robinson $ docker ps -a CONTAINER ID   IMAGE     COMMAND   CREATED   STATUS    PORTS     NAMES $ docker run  -it harbor.t4x.org/base/busybox sh / # exit $ docker ps -a CONTAINER ID   IMAGE                         COMMAND   CREATED         STATUS                    PORTS     NAMES 06240df46065   harbor.t4x.org/base/busybox   "sh"      5 seconds ago   Exited (0) 1 second ago             awesome_elgamal $ docker container rm 06240df46065 06240df46065 $ docker ps -a CONTAINER ID   IMAGE     COMMAND   CREATED   STATUS    PORTS     NAMES $ docker run  -itd harbor.t4x.org/base/busybox sh 83141fa990a406ad01ead544283b16615060af836036b4eabb0d2d7a44fa511f $ docker container ls CONTAINER ID   IMAGE                         COMMAND   CREATED          STATUS          PORTS     NAMES 83141fa990a4   harbor.t4x.org/base/busybox   "sh"      11 seconds ago   Up 10 seconds             youthful_tesla $ docker exec -ti 83141fa990a4 sh / # exit $ docker container ls             CONTAINER ID   IMAGE                         COMMAND   CREATED          STATUS          PORTS     NAMES 83141fa990a4   harbor.t4x.org/base/busybox   "sh"      50 seconds ago   Up 49 seconds             youthful_tesla $ docker attach 83141fa990a4 / # exit $ docker container ls       CONTAINER ID   IMAGE     COMMAND   CREATED   STATUS    PORTS     NAMES $ docker run  -itd harbor.t4x.org/base/busybox sh c7236b50ef919bfb6468434937983876d8cd8df7fcc6e58e0101bda2609b0e26 $ docker container ls       CONTAINER ID   IMAGE                         COMMAND   CREATED         STATUS         PORTS     NAMES c7236b50ef91   harbor.t4x.org/base/busybox   "sh"      4 seconds ago   Up 2 seconds             nostalgic_bardeen $ docker container ls       CONTAINER ID   IMAGE                         COMMAND   CREATED          STATUS          PORTS     NAMES c7236b50ef91   harbor.t4x.org/base/busybox   "sh"      35 seconds ago   Up 33 seconds             nostalgic_bardeen $ docker container stop c7236b50ef91 c7236b50ef91 $ docker container ls CONTAINER ID   IMAGE     COMMAND   CREATED   STATUS    PORTS     NAMES $ docker ps -a CONTAINER ID   IMAGE                         COMMAND   CREATED              STATUS                        PORTS     NAMES c7236b50ef91   harbor.t4x.org/base/busybox   "sh"      About a minute ago   Exited (137) 10 seconds ago             nostalgic_bardeen 83141fa990a4   harbor.t4x.org/base/busybox   "sh"      4 minutes ago        Exited (0) 2 minutes ago                youthful_tesla $ docker container start c7236b50ef91 c7236b50ef91 $ docker container ls CONTAINER ID   IMAGE                         COMMAND   CREATED              STATUS         PORTS     NAMES c7236b50ef91   harbor.t4x.org/base/busybox   "sh"      About a minute ago   Up 3 seconds             nostalgic_bardeen $ docker ps -a       CONTAINER ID   IMAGE                         COMMAND   CREATED              STATUS                     PORTS     NAMES c7236b50ef91   harbor.t4x.org/base/busybox   "sh"      About a minute ago   Up 6 seconds                         nostalgic_bardeen 83141fa990a4   harbor.t4x.org/base/busybox   "sh"      4 minutes ago        Exited (0) 2 minutes ago             youthful_tesla $ docker container ls -a CONTAINER ID   IMAGE                         COMMAND   CREATED         STATUS                     PORTS     NAMES c7236b50ef91   harbor.t4x.org/base/busybox   "sh"      3 minutes ago   Up 2 minutes                         nostalgic_bardeen 83141fa990a4   harbor.t4x.org/base/busybox   "sh"      6 minutes ago   Exited (0) 5 minutes ago             youthful_tesla $ docker container start 83141fa990a4 83141fa990a4 $ docker container ls -a CONTAINER ID   IMAGE                         COMMAND   CREATED         STATUS         PORTS     NAMES c7236b50ef91   harbor.t4x.org/base/busybox   "sh"      4 minutes ago   Up 3 minutes             nostalgic_bardeen 83141fa990a4   harbor.t4x.org/base/busybox   "sh"      7 minutes ago   Up 2 seconds             youthful_tesla $ docker container rm c7236b50ef91 Error response from daemon: You cannot remove a running container c7236b50ef919bfb6468434937983876d8cd8df7fcc6e58e0101bda2609b0e26. Stop the container before attempting removal or force remove $ docker container stop c7236b50ef91     c7236b50ef91 $ docker container ls -a             CONTAINER ID   IMAGE                         COMMAND   CREATED         STATUS                       PORTS     NAMES c7236b50ef91   harbor.t4x.org/base/busybox   "sh"      6 minutes ago   Exited (137) 5 seconds ago             nostalgic_bardeen 83141fa990a4   harbor.t4x.org/base/busybox   "sh"      9 minutes ago   Up About a minute                      youthful_tesla $ docker container rm c7236b50ef91   c7236b50ef91 $ docker container ls -a           CONTAINER ID   IMAGE                         COMMAND   CREATED         STATUS              PORTS     NAMES 83141fa990a4   harbor.t4x.org/base/busybox   "sh"      9 minutes ago   Up About a minute             youthful_tesla $ docker run  -itd harbor.t4x.org/base/busybox sh 0a2bd2371ace1e580f4430ea083b1632efeac54da357de28aefcce90a4e1d472 $ docker container ls -a                         CONTAINER ID   IMAGE                         COMMAND   CREATED          STATUS         PORTS     NAMES 0a2bd2371ace   harbor.t4x.org/base/busybox   "sh"      7 seconds ago    Up 6 seconds             focused_thompson 83141fa990a4   harbor.t4x.org/base/busybox   "sh"      11 minutes ago   Up 3 minutes             youthful_tesla $ docker container stop 0a2bd2371ace 0a2bd2371ace $ docker container ls -a CONTAINER ID   IMAGE                         COMMAND   CREATED              STATUS                        PORTS     NAMES 0a2bd2371ace   harbor.t4x.org/base/busybox   "sh"      About a minute ago   Exited (137) 39 seconds ago             focused_thompson 83141fa990a4   harbor.t4x.org/base/busybox   "sh"      12 minutes ago       Up 4 minutes                            youthful_tesla $ docker ps -a CONTAINER ID   IMAGE                         COMMAND   CREATED              STATUS                        PORTS     NAMES 0a2bd2371ace   harbor.t4x.org/base/busybox   "sh"      About a minute ago   Exited (137) 45 seconds ago             focused_thompson 83141fa990a4   harbor.t4x.org/base/busybox   "sh"      12 minutes ago       Up 4 minutes                            youthful_tesla $ docker container prune WARNING! This will remove all stopped containers. Are you sure you want to continue? [y/N] y Deleted Containers: 0a2bd2371ace1e580f4430ea083b1632efeac54da357de28aefcce90a4e1d472   Total reclaimed space: 0B $ docker ps -a           CONTAINER ID   IMAGE                         COMMAND   CREATED          STATUS         PORTS     NAMES 83141fa990a4   harbor.t4x.org/base/busybox   "sh"      12 minutes ago   Up 5 minutes             youthful_tesla $ docker ps -a           CONTAINER ID   IMAGE                         COMMAND   CREATED          STATUS         PORTS     NAMES 83141fa990a4   harbor.t4x.org/base/busybox   "sh"      12 minutes ago   Up 5 minutes             youthful_tesla $ docker ps -aq 83141fa990a4 $ docker ps -a CONTAINER ID   IMAGE                         COMMAND   CREATED          STATUS         PORTS     NAMES 83141fa990a4   harbor.t4x.org/base/busybox   "sh"      13 minutes ago   Up 6 minutes             youthful_tesla $ docker container rm $(docker ps -aq) Error response from daemon: You cannot remove a running container 83141fa990a406ad01ead544283b16615060af836036b4eabb0d2d7a44fa511f. Stop the container before attempting removal or force remove $ docker ps -a CONTAINER ID   IMAGE                         COMMAND   CREATED          STATUS         PORTS     NAMES 83141fa990a4   harbor.t4x.org/base/busybox   "sh"      14 minutes ago   Up 7 minutes             youthful_tesla

SourceByrd's Weblog-https://note.t4x.org/cloud/about-config-docker/

1. 搜索容器SourceByrd's Weblog-https://note.t4x.org/cloud/about-config-docker/

$ docker search nginx NAME DESCRIPTION STARS OFFICIAL nginx Official build of Nginx. 19745 [OK] unit Official build of NGINX Unit: Universal Web … 25 [OK] nginx/nginx-ingress NGINX and NGINX Plus Ingress Controllers fo… 89 nginxinc/nginx-unprivileged Unprivileged NGINX Dockerfiles 144 nginx/nginx-prometheus-exporter NGINX Prometheus Exporter for NGINX and NGIN… 40 nginxinc/nginx-s3-gateway Authenticating and caching gateway based on … 6 nginx/unit This repository is retired, use the Docker o… 64 nginx/nginx-ingress-operator NGINX Ingress Operator for NGINX and NGINX P… 2 nginxinc/amplify-agent NGINX Amplify Agent docker repository 1 nginx/nginx-quic-qns NGINX QUIC interop 1 nginxinc/ingress-demo Ingress Demo 4 nginxproxy/nginx-proxy Automated nginx proxy for Docker containers … 132 nginxproxy/acme-companion Automated ACME SSL certificate generation fo… 131 bitnami/nginx Bitnami nginx Docker Image 185 bitnami/nginx-ingress-controller Bitnami Docker Image for NGINX Ingress Contr… 32 ubuntu/nginx Nginx, a high-performance reverse proxy & we… 112 nginxproxy/docker-gen Generate files from docker container meta-da… 16 nginxinc/mra-fakes3 0 kasmweb/nginx An Nginx image based off nginx:alpine and in… 7 nginxinc/nginmesh_proxy_init 0 nginxinc/nginmesh_proxy_debug 0 rancher/nginx-ingress-controller 13 rancher/nginx-ingress-controller-defaultbackend 2 bitnami/nginx-exporter 5

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$ docker search nginx NAME                                              DESCRIPTION                                     STARS     OFFICIAL nginx                                             Official build of Nginx.                        19745     [OK] unit                                              Official build of NGINX Unit: Universal Web …   25        [OK] nginx/nginx-ingress                               NGINX and  NGINX Plus Ingress Controllers fo…   89         nginxinc/nginx-unprivileged                       Unprivileged NGINX Dockerfiles                  144       nginx/nginx-prometheus-exporter                   NGINX Prometheus Exporter for NGINX and NGIN…   40         nginxinc/nginx-s3-gateway                         Authenticating and caching gateway based on …   6         nginx/unit                                        This repository is retired, use the Docker o…   64         nginx/nginx-ingress-operator                      NGINX Ingress Operator for NGINX and NGINX P…   2         nginxinc/amplify-agent                            NGINX Amplify Agent docker repository           1         nginx/nginx-quic-qns                              NGINX QUIC interop                              1         nginxinc/ingress-demo                             Ingress Demo                                    4         nginxproxy/nginx-proxy                            Automated nginx proxy for Docker containers …   132       nginxproxy/acme-companion                         Automated ACME SSL certificate generation fo…   131       bitnami/nginx                                     Bitnami nginx Docker Image                      185       bitnami/nginx-ingress-controller                  Bitnami Docker Image for NGINX Ingress Contr…   32         ubuntu/nginx                                      Nginx, a high-performance reverse proxy & we…   112       nginxproxy/docker-gen                             Generate files from docker container meta-da…   16         nginxinc/mra-fakes3                                                                               0         kasmweb/nginx                                     An Nginx image based off nginx:alpine and in…   7         nginxinc/nginmesh_proxy_init                                                                      0         nginxinc/nginmesh_proxy_debug                                                                     0         rancher/nginx-ingress-controller                                                                  13         rancher/nginx-ingress-controller-defaultbackend                                                   2         bitnami/nginx-exporter                                                                            5

SourceByrd's Weblog-https://note.t4x.org/cloud/about-config-docker/

2. 拉取镜像

$ docker pull nginx:1.1..11. Using default tag: latest latest: Pulling from library/nginx a2abf6c4d29d: Pull complete a9edb18cadd1: Pull complete 589b7251471a: Pull complete 186b1aaa4aa6: Pull complete b4df32aa5a72: Pull complete a0bcbecc962e: Pull complete Digest: sha256:0d17b565c37bcbd895e9d92315a05c1c3c9a29f762b011a10c54a66cd53c9b31 Status: Downloaded newer image for nginx:latest docker.io/library/nginx:latest

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$ docker pull nginx:1.1..11. Using default tag: latest latest: Pulling from library/nginx a2abf6c4d29d: Pull complete a9edb18cadd1: Pull complete 589b7251471a: Pull complete 186b1aaa4aa6: Pull complete b4df32aa5a72: Pull complete a0bcbecc962e: Pull complete Digest: sha256:0d17b565c37bcbd895e9d92315a05c1c3c9a29f762b011a10c54a66cd53c9b31 Status: Downloaded newer image for nginx:latest docker.io/library/nginx:latest

SourceByrd's Weblog-https://note.t4x.org/cloud/about-config-docker/

3. 查看本地镜像

$ docker images REPOSITORY TAG IMAGE ID CREATED SIZE nginx latest 605c77e624dd 2 years ago 141MB

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$ docker images REPOSITORY   TAG       IMAGE ID       CREATED       SIZE nginx        latest    605c77e624dd   2 years ago   141MB

SourceByrd's Weblog-https://note.t4x.org/cloud/about-config-docker/

4. 进入容器

$ docker run -ti nginx bash root@f9a4dc1df0e9:/#

0 1	$ docker run -ti nginx bash root@f9a4dc1df0e9:/#

SourceByrd's Weblog-https://note.t4x.org/cloud/about-config-docker/

5. 端口映射

# docker run -ti -p 1111:80 nginx bash root@c19878e3c6a3:/#

0 1	# docker run -ti -p 1111:80 nginx bash root@c19878e3c6a3:/#

SourceByrd's Weblog-https://note.t4x.org/cloud/about-config-docker/

6. 显示所有容器

# docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES c19878e3c6a3 nginx "/docker-entrypoint.…" About a minute ago Exited (127) About a minute ago funny_pasteur f9a4dc1df0e9 nginx "/docker-entrypoint.…" 3 minutes ago Exited (127) 3 minutes ago wizardly_euclid $ docker run -d -p 8080:80 nginx 7d7678b037cfc16ea3edc4ca29c8e3b737cfd39f80b239c5bd8afdd03cae4fac $ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 7d7678b037cf nginx "/docker-entrypoint.…" 6 seconds ago Up 5 seconds 0.0.0.0:8080->80/tcp awesome_darwin c19878e3c6a3 nginx "/docker-entrypoint.…" 5 minutes ago Exited (127) 5 minutes ago funny_pasteur f9a4dc1df0e9 nginx "/docker-entrypoint.…" 7 minutes ago Exited (127) 7 minutes ago wizardly_euclid $ netstat -tunlp Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 0.0.0.0:8080 0.0.0.0:* LISTEN 1394/dockerd tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 615/sshd tcp6 0 0 :::22 :::* LISTEN 615/sshd udp 0 0 127.0.0.1:323 0.0.0.0:* 580/chronyd udp6 0 0 ::1:323 :::* 580/chronyd $ docker inspect 7d7678b037cf [ { "Id": "7d7678b037cfc16ea3edc4ca29c8e3b737cfd39f80b239c5bd8afdd03cae4fac", "Created": "2024-04-03T09:22:34.170458173Z", "Path": "/docker-entrypoint.sh", "Args": [ "nginx", "-g", "daemon off;" ], "State": { "Status": "running", "Running": true, "Paused": false, "Restarting": false, "OOMKilled": false, "Dead": false, "Pid": 1929, "ExitCode": 0, "Error": "", "StartedAt": "2024-04-03T09:22:35.132278485Z", "FinishedAt": "0001-01-01T00:00:00Z" }, "Image": "sha256:605c77e624ddb75e6110f997c58876baa13f8754486b461117934b24a9dc3a85", "ResolvConfPath": "/data/docker/containers/7d7678b037cfc16ea3edc4ca29c8e3b737cfd39f80b239c5bd8afdd03cae4fac/resolv.conf", "HostnamePath": "/data/docker/containers/7d7678b037cfc16ea3edc4ca29c8e3b737cfd39f80b239c5bd8afdd03cae4fac/hostname", "HostsPath": "/data/docker/containers/7d7678b037cfc16ea3edc4ca29c8e3b737cfd39f80b239c5bd8afdd03cae4fac/hosts", "LogPath": "/data/docker/containers/7d7678b037cfc16ea3edc4ca29c8e3b737cfd39f80b239c5bd8afdd03cae4fac/7d7678b037cfc16ea3edc4ca29c8e3b737cfd39f80b239c5bd8afdd03cae4fac-json.log", "Name": "/awesome_darwin", "RestartCount": 0, "Driver": "overlay2", "Platform": "linux", "MountLabel": "", "ProcessLabel": "", "AppArmorProfile": "", "ExecIDs": null, "HostConfig": { "Binds": null, "ContainerIDFile": "", "LogConfig": { "Type": "json-file", "Config": { "env": "os,customer", "labels": "somelabel", "max-file": "5", "max-size": "10m" } }, "NetworkMode": "default", "PortBindings": { "80/tcp": [ { "HostIp": "", "HostPort": "8080" } ] }, "RestartPolicy": { "Name": "no", "MaximumRetryCount": 0 }, "AutoRemove": false, "VolumeDriver": "", "VolumesFrom": null, "ConsoleSize": [ 36, 179 ], "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", "Isolation": "", "CpuShares": 0, "Memory": 0, "NanoCpus": 0, "CgroupParent": "", "BlkioWeight": 0, "BlkioWeightDevice": [], "BlkioDeviceReadBps": [], "BlkioDeviceWriteBps": [], "BlkioDeviceReadIOps": [], "BlkioDeviceWriteIOps": [], "CpuPeriod": 0, "CpuQuota": 0, "CpuRealtimePeriod": 0, "CpuRealtimeRuntime": 0, "CpusetCpus": "", "CpusetMems": "", "Devices": [], "DeviceCgroupRules": null, "DeviceRequests": null, "MemoryReservation": 0, "MemorySwap": 0, "MemorySwappiness": null, "OomKillDisable": false, "PidsLimit": null, "Ulimits": [ { "Name": "nofile", "Hard": 64000, "Soft": 64000 } ], "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", "/sys/devices/virtual/powercap" ], "ReadonlyPaths": [ "/proc/bus", "/proc/fs", "/proc/irq", "/proc/sys", "/proc/sysrq-trigger" ] }, "GraphDriver": { "Data": { "LowerDir": "/data/docker/overlay2/89edc02c1eb7a8e1efa00a82bdd2b4f9fbcf38a84d9a555e7ff58ead80a55ba2-init/diff:/data/docker/overlay2/6770b4e7bb808c973136c26df691cdcf222ec1f15b2a433f25e3d4802c2d9dc7/diff:/data/docker/overlay2/e990e0d3f685d6c789a92b87c2ab30b486e39337bc32aca975a90fae132285fa/diff:/data/docker/overlay2/aa71e1ee390082f0171d84b9d324a298683bd06dad877ede006623f1395b4a5d/diff:/data/docker/overlay2/806242eab0709899507b09b3b8f2f2caf0fc46221b9c8105e9fe6d075fea7ca1/diff:/data/docker/overlay2/66bb3781881c7041b05da30b2d0efafe2666deadc31f7e242c89669b2619c0f1/diff:/data/docker/overlay2/2bbae9131a228d844dda7c68ca7c0dabcc1ac11d5c2e30ed3c71855a79568611/diff", "MergedDir": "/data/docker/overlay2/89edc02c1eb7a8e1efa00a82bdd2b4f9fbcf38a84d9a555e7ff58ead80a55ba2/merged", "UpperDir": "/data/docker/overlay2/89edc02c1eb7a8e1efa00a82bdd2b4f9fbcf38a84d9a555e7ff58ead80a55ba2/diff", "WorkDir": "/data/docker/overlay2/89edc02c1eb7a8e1efa00a82bdd2b4f9fbcf38a84d9a555e7ff58ead80a55ba2/work" }, "Name": "overlay2" }, "Mounts": [], "Config": { "Hostname": "7d7678b037cf", "Domainname": "", "User": "", "AttachStdin": false, "AttachStdout": false, "AttachStderr": false, "ExposedPorts": { "80/tcp": {} }, "Tty": false, "OpenStdin": false, "StdinOnce": false, "Env": [ "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", "NGINX_VERSION=1.21.5", "NJS_VERSION=0.7.1", "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": "e77a3b70bcdc2541c89e4c4a73f8d372dc385e9df6dbbf78af95e2e3b5404cd2", "SandboxKey": "/var/run/docker/netns/e77a3b70bcdc", "Ports": { "80/tcp": [ { "HostIp": "0.0.0.0", "HostPort": "8080" } ] }, "HairpinMode": false, "LinkLocalIPv6Address": "", "LinkLocalIPv6PrefixLen": 0, "SecondaryIPAddresses": null, "SecondaryIPv6Addresses": null, "EndpointID": "a2c2580ad8db4504e8b9152f52d51b602bc4a0f2891c7d4b8045def799f2dcea", "Gateway": "192.168.10.1", "GlobalIPv6Address": "", "GlobalIPv6PrefixLen": 0, "IPAddress": "192.168.10.2", "IPPrefixLen": 24, "IPv6Gateway": "", "MacAddress": "02:42:c0:a8:0a:02", "Networks": { "bridge": { "IPAMConfig": null, "Links": null, "Aliases": null, "MacAddress": "02:42:c0:a8:0a:02", "NetworkID": "f45ce0987ea5662405191d5d886e902f7771e756e0f2a4ea06faea89cfc45b24", "EndpointID": "a2c2580ad8db4504e8b9152f52d51b602bc4a0f2891c7d4b8045def799f2dcea", "Gateway": "192.168.10.1", "IPAddress": "192.168.10.2", "IPPrefixLen": 24, "IPv6Gateway": "", "GlobalIPv6Address": "", "GlobalIPv6PrefixLen": 0, "DriverOpts": null, "DNSNames": null } } } } ]

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# docker ps -a CONTAINER ID   IMAGE     COMMAND                  CREATED              STATUS                            PORTS     NAMES c19878e3c6a3   nginx     "/docker-entrypoint.…"   About a minute ago   Exited (127) About a minute ago             funny_pasteur f9a4dc1df0e9   nginx     "/docker-entrypoint.…"   3 minutes ago        Exited (127) 3 minutes ago                  wizardly_euclid   $ docker run -d -p 8080:80  nginx         7d7678b037cfc16ea3edc4ca29c8e3b737cfd39f80b239c5bd8afdd03cae4fac $ docker ps -a                             CONTAINER ID   IMAGE     COMMAND                  CREATED         STATUS                       PORTS                  NAMES 7d7678b037cf   nginx     "/docker-entrypoint.…"   6 seconds ago   Up 5 seconds                 0.0.0.0:8080->80/tcp   awesome_darwin c19878e3c6a3   nginx     "/docker-entrypoint.…"   5 minutes ago   Exited (127) 5 minutes ago                          funny_pasteur f9a4dc1df0e9   nginx     "/docker-entrypoint.…"   7 minutes ago   Exited (127) 7 minutes ago                          wizardly_euclid $ netstat -tunlp Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name     tcp        0      0 0.0.0.0:8080            0.0.0.0:*               LISTEN      1394/dockerd         tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      615/sshd             tcp6       0      0 :::22                   :::*                    LISTEN      615/sshd             udp        0      0 127.0.0.1:323           0.0.0.0:*                           580/chronyd         udp6       0      0 ::1:323                 :::*                                580/chronyd       $ docker inspect  7d7678b037cf [     {         "Id": "7d7678b037cfc16ea3edc4ca29c8e3b737cfd39f80b239c5bd8afdd03cae4fac",         "Created": "2024-04-03T09:22:34.170458173Z",         "Path": "/docker-entrypoint.sh",         "Args": [             "nginx",             "-g",             "daemon off;"         ],         "State": {             "Status": "running",             "Running": true,             "Paused": false,             "Restarting": false,             "OOMKilled": false,             "Dead": false,             "Pid": 1929,             "ExitCode": 0,             "Error": "",             "StartedAt": "2024-04-03T09:22:35.132278485Z",             "FinishedAt": "0001-01-01T00:00:00Z"         },         "Image": "sha256:605c77e624ddb75e6110f997c58876baa13f8754486b461117934b24a9dc3a85",         "ResolvConfPath": "/data/docker/containers/7d7678b037cfc16ea3edc4ca29c8e3b737cfd39f80b239c5bd8afdd03cae4fac/resolv.conf",         "HostnamePath": "/data/docker/containers/7d7678b037cfc16ea3edc4ca29c8e3b737cfd39f80b239c5bd8afdd03cae4fac/hostname",         "HostsPath": "/data/docker/containers/7d7678b037cfc16ea3edc4ca29c8e3b737cfd39f80b239c5bd8afdd03cae4fac/hosts",         "LogPath": "/data/docker/containers/7d7678b037cfc16ea3edc4ca29c8e3b737cfd39f80b239c5bd8afdd03cae4fac/7d7678b037cfc16ea3edc4ca29c8e3b737cfd39f80b239c5bd8afdd03cae4fac-json.log",         "Name": "/awesome_darwin",         "RestartCount": 0,         "Driver": "overlay2",         "Platform": "linux",         "MountLabel": "",         "ProcessLabel": "",         "AppArmorProfile": "",         "ExecIDs": null,         "HostConfig": {             "Binds": null,             "ContainerIDFile": "",             "LogConfig": {                 "Type": "json-file",                 "Config": {                     "env": "os,customer",                     "labels": "somelabel",                     "max-file": "5",                     "max-size": "10m"                 }             },             "NetworkMode": "default",             "PortBindings": {                 "80/tcp": [                     {                         "HostIp": "",                         "HostPort": "8080"                     }                 ]             },             "RestartPolicy": {                 "Name": "no",                 "MaximumRetryCount": 0             },             "AutoRemove": false,             "VolumeDriver": "",             "VolumesFrom": null,             "ConsoleSize": [                 36,                 179             ],             "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",             "Isolation": "",             "CpuShares": 0,             "Memory": 0,             "NanoCpus": 0,             "CgroupParent": "",             "BlkioWeight": 0,             "BlkioWeightDevice": [],             "BlkioDeviceReadBps": [],             "BlkioDeviceWriteBps": [],             "BlkioDeviceReadIOps": [],             "BlkioDeviceWriteIOps": [],             "CpuPeriod": 0,             "CpuQuota": 0,             "CpuRealtimePeriod": 0,             "CpuRealtimeRuntime": 0,             "CpusetCpus": "",             "CpusetMems": "",             "Devices": [],             "DeviceCgroupRules": null,             "DeviceRequests": null,             "MemoryReservation": 0,             "MemorySwap": 0,             "MemorySwappiness": null,             "OomKillDisable": false,             "PidsLimit": null,             "Ulimits": [                 {                     "Name": "nofile",                     "Hard": 64000,                     "Soft": 64000                 }             ],             "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",                 "/sys/devices/virtual/powercap"             ],             "ReadonlyPaths": [                 "/proc/bus",                 "/proc/fs",                 "/proc/irq",                 "/proc/sys",                 "/proc/sysrq-trigger"             ]         },         "GraphDriver": {             "Data": {                 "LowerDir": "/data/docker/overlay2/89edc02c1eb7a8e1efa00a82bdd2b4f9fbcf38a84d9a555e7ff58ead80a55ba2-init/diff:/data/docker/overlay2/6770b4e7bb808c973136c26df691cdcf222ec1f15b2a433f25e3d4802c2d9dc7/diff:/data/docker/overlay2/e990e0d3f685d6c789a92b87c2ab30b486e39337bc32aca975a90fae132285fa/diff:/data/docker/overlay2/aa71e1ee390082f0171d84b9d324a298683bd06dad877ede006623f1395b4a5d/diff:/data/docker/overlay2/806242eab0709899507b09b3b8f2f2caf0fc46221b9c8105e9fe6d075fea7ca1/diff:/data/docker/overlay2/66bb3781881c7041b05da30b2d0efafe2666deadc31f7e242c89669b2619c0f1/diff:/data/docker/overlay2/2bbae9131a228d844dda7c68ca7c0dabcc1ac11d5c2e30ed3c71855a79568611/diff",                 "MergedDir": "/data/docker/overlay2/89edc02c1eb7a8e1efa00a82bdd2b4f9fbcf38a84d9a555e7ff58ead80a55ba2/merged",                 "UpperDir": "/data/docker/overlay2/89edc02c1eb7a8e1efa00a82bdd2b4f9fbcf38a84d9a555e7ff58ead80a55ba2/diff",                 "WorkDir": "/data/docker/overlay2/89edc02c1eb7a8e1efa00a82bdd2b4f9fbcf38a84d9a555e7ff58ead80a55ba2/work"             },             "Name": "overlay2"         },         "Mounts": [],         "Config": {             "Hostname": "7d7678b037cf",             "Domainname": "",             "User": "",             "AttachStdin": false,             "AttachStdout": false,             "AttachStderr": false,             "ExposedPorts": {                 "80/tcp": {}             },             "Tty": false,             "OpenStdin": false,             "StdinOnce": false,             "Env": [                 "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",                 "NGINX_VERSION=1.21.5",                 "NJS_VERSION=0.7.1",                 "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": "e77a3b70bcdc2541c89e4c4a73f8d372dc385e9df6dbbf78af95e2e3b5404cd2",             "SandboxKey": "/var/run/docker/netns/e77a3b70bcdc",             "Ports": {                 "80/tcp": [                     {                         "HostIp": "0.0.0.0",                         "HostPort": "8080"                     }                 ]             },             "HairpinMode": false,             "LinkLocalIPv6Address": "",             "LinkLocalIPv6PrefixLen": 0,             "SecondaryIPAddresses": null,             "SecondaryIPv6Addresses": null,             "EndpointID": "a2c2580ad8db4504e8b9152f52d51b602bc4a0f2891c7d4b8045def799f2dcea",             "Gateway": "192.168.10.1",             "GlobalIPv6Address": "",             "GlobalIPv6PrefixLen": 0,             "IPAddress": "192.168.10.2",             "IPPrefixLen": 24,             "IPv6Gateway": "",             "MacAddress": "02:42:c0:a8:0a:02",             "Networks": {                 "bridge": {                     "IPAMConfig": null,                     "Links": null,                     "Aliases": null,                     "MacAddress": "02:42:c0:a8:0a:02",                     "NetworkID": "f45ce0987ea5662405191d5d886e902f7771e756e0f2a4ea06faea89cfc45b24",                     "EndpointID": "a2c2580ad8db4504e8b9152f52d51b602bc4a0f2891c7d4b8045def799f2dcea",                     "Gateway": "192.168.10.1",                     "IPAddress": "192.168.10.2",                     "IPPrefixLen": 24,                     "IPv6Gateway": "",                     "GlobalIPv6Address": "",                     "GlobalIPv6PrefixLen": 0,                     "DriverOpts": null,                     "DNSNames": null                 }             }         }     } ]

SourceByrd's Weblog-https://note.t4x.org/cloud/about-config-docker/

四、DockerFile编写

0

SourceByrd's Weblog-https://note.t4x.org/cloud/about-config-docker/

五、Docker镜像优化