卸載舊版本Docker避免沖突，2.安裝yum-utils并添加官方Docker倉庫，3.安裝DockerCE、CLI和containerd，4.啟動并啟用Docker服務，5.運行hello-world鏡像驗證安裝成功，6.可選配置非root用戶運行Docker。

dockerforwindowsissalinuxvmorwsl2torunco??ntainersbeceafewindowslacksnativelinuxkernelfeatures; 1）itautomomatomatimatormatomatemantomationalmanagesmanagesmanagesmanagesManageSalightWeightlinuxVM（oruesswsl2）含有higherper-vtotoHostThostTheDoockerDaemockerDaemoSttheDaemondaemondaemondaemondaementtherdcontaigners; 2）

dockerisaplatformformforpackaging，運輸，andrunningapplicationsInlight inlight，隔離的thathathathatheThareTheHostoSkernel，與弗比弗利特馬果不同。2.installdockerdockerdockerdockerdockerdockerdockerdockerdockerdoponWindowsormacos

使用dockerrun在新容器中運行命令，使用dockerexec在運行中的容器內執(zhí)行命令，具體方法為：1.用dockerrun啟動新容器并執(zhí)行命令，如dockerrun--rmubuntuls/tmp；2.用dockerexec在已運行容器中執(zhí)行命令，如dockerexecmy-nginx-servicepsaux，交互式操作需加-it，如dockerexec-itmy-container/bin/bash；3.啟動容器時覆蓋默認命令，如dockerrunnginx:latestnginx-T

TouseDockereffectivelyforlocaldevelopment,firstinstallDockerDesktoporEngineandverifywithdocker--versionanddockerrunhello-world;thencreateaDockerfiletodefineyourapp’senvironmentandadocker-compose.ymlformulti-servicesetupslikeaNode.jsappwithPostgreSQL;

UseDockertorunPostgreSQLwithoutlocalinstallationbystartingacontainerwiththeofficialimage,settingpassword,port,andvolumeforpersistence.2.Createanamedvolumepostgres-datatopreservedataacrosscontainerrestarts.3.Customizedatabasenameanduserviaenvironmentv

Checkcontainerlogsusingdockerlogs[container_id]toidentifystartuperrorslikemissingfilesordependencyfailures.2.Runthecontainerinteractivelywithdockerrun--rm-it--entrypoint/bin/shimage_nametoinspectenvironmentandmanuallytestcommands.3.Examineexitcodesvi

UsedockerBuilderPrunoDoclearusedBuildCachayerSAndiskSpace; Add-- alltoreMoveAllcache.usedockerBuild-no-cacheforfreshbuildswithoutcache.checkusage.checkusagewithdockersagewithdockersystemdf.RegullPruningHelperPruningHelpSmaintainaineff。