Docs: add note about CMD and ENTRYPOINT commands
Docs: add note about CMD and ENTRYPOINT commands

Signed-off-by: Tomasz Kopczynski <ea73344294b1c6e2cb529d7fc98a4971de7607ac@kopczynski.net.pl>

jvanz/docker,dsau/docker,cyli/docker,xiekeyang/docker,michelvocks/docker,toli/docker,JMesser81/docker,kolyshkin/moby,srust/docker,tpounds/docker,amatsus/docker,13W/docker,14rcole/docker,shishir-a412ed/docker,hustcat/docker,denverdino/denverdino.github.io,liaoqingwei/docker,sanscontext/docker.github.io,tagomoris/docker,nawawi/docker,kolyshkin/docker,Altiscale/docker,ZJU-SEL/docker,cloudflare/docker,bdwill/docker.github.io,sterchelen/docker,tophj-ibm/moby,afein/docker,sanjeo/docker,bearstech/moby,q384566678/docker,gschaetz/moby,Ramzec/docker,docker-zh/docker.github.io,darrenstahlmsft/moby,stevvooe/docker,Microsoft/docker,cpuguy83/docker,luxas/docker,scotttlin/docker,jimjag/docker,aduermael/docker.github.io,BSWANG/denverdino.github.io,SvenDowideit/docker,gdevillele/docker.github.io,tonistiigi/docker,jhorwit2/docker,Shopify/docker,erikh/docker,mkumatag/docker,scotttlin/docker,djs55/docker,yp-engineering/docker,jzwlqx/denverdino.github.io,harche/docker,OnePaaS/docker,jameszhan/docker,Morsicus/docker,catinthesky/docker,sanjeo/docker,mikedougherty/docker,naveed-jamil-tenpearls/moby,laijs/docker,dsau/docker,vdemeester/docker,portworx/docker,BenHall/docker,dsheets/moby,gdevillele/docker.github.io,Ramzec/docker,docker/docker.github.io,shin-/docker.github.io,yummypeng/docker,rhatdan/docker,JimGalasyn/docker.github.io,solganik/docker,containers/storage,allencloud/docker,mikebrow/docker,tpounds/docker,Syntaxide/docker,anortef/docker,sarnautov/moby,diogomonica/docker,tophj-ibm/docker,bdwill/docker.github.io,Mashimiao/docker,mohmost12/docker,liaoqingwei/docker,contiv/docker,gjaskiewicz/moby,splunk/docker,icaoweiwei/docker,tianon/docker,runcom/docker,anortef/docker,erikh/docker,tklauser/docker,Tenk42/docker,KarthikNayak/docker,x1022as/docker,vijaykilari/docker,ffoysal/docker,mkumatag/docker,michael-holzheu/docker,LuisBosquez/docker.github.io,containers/storage,ibuildthecloud/docker,xiekeyang/docker,fcrisciani/docker,qudongfang/docker,sheimi/docker,nawawi/docker,ibuildthecloud/docker,docker/docker,johnstep/moby-moby,mike1729/docker,Ramzec/docker,inatatsu/docker,jwhonce/docker,asbjornenge/docker,joeuo/docker.github.io,dgageot/docker,lixiaobing10051267/docker,crosbymichael/docker,denverdino/docker.github.io,joaofnfernandes/docker.github.io,jameszhan/docker,kunalkushwaha/docker,maxamillion/docker,londoncalling/docker.github.io,docker-zh/docker.github.io,jthelin/docker,danix800/docker.github.io,moby/moby,Mashimiao/docker,mgoelzer/docker,lixiaobing1/docker,KingEmet/docker,abhinavdahiya/docker,nghiant2710/docker,twaugh/docker,estesp/docker,cpuguy83/docker,errordeveloper/docker,luxas/docker,haveatry/docker,LuisBosquez/docker.github.io,tophj-ibm/moby,cyphar/docker,scollier/docker,TrumanLing/docker,umerazad/docker,noxiouz/docker,cnaize/docker,docker-zh/docker.github.io,danix800/docker.github.io,icaoweiwei/docker,pecameron/docker,ivansaracino/docker,pecameron/docker,joeuo/docker.github.io,tmp6154/docker,scollier/docker,zhuguihua/docker,AkihiroSuda/docker,BenHall/docker,tonistiigi/docker,shubheksha/docker.github.io,jzwlqx/denverdino.github.io,xuxinkun/docker,dongjoon-hyun/docker,thtanaka/docker,Syntaxide/docker,djs55/docker,liaoqingwei/docker,dongjoon-hyun/docker,gnailuy/docker,ibuildthecloud/docker,michael-holzheu/docker,eskaaren/docker,BSWANG/denverdino.github.io,tkopczynski/docker,brahmaroutu/docker,HideoYamauchi/docker,pradipd/moby,justincormack/docker,YuPengZTE/docker,msabansal/docker,KarthikNayak/docker,ripcurld0/moby,dmcgowan/docker,dims/docker,mike1729/docker,OnePaaS/docker,Morsicus/docker,nawawi/docker,pradipd/moby,hypriot/docker,sanscontext/docker.github.io,HackToday/docker,HuKeping/docker,sdurrheimer/docker,jongiddy/docker,bfirsh/docker,sean-jc/docker,catinthesky/docker,phiroict/docker,splunk/docker,alexisbellido/docker.github.io,davinashreddy/docker,moby/moby,johnstep/docker.github.io,tmp6154/docker,diogomonica/docker,jvanz/docker,LuisBosquez/docker.github.io,troy0820/docker.github.io,sanjeo/docker,wenchma/docker,harche/docker,13W/docker,darrenstahlmsft/docker,mixja/docker,laijs/moby,denverdino/denverdino.github.io,anujbahuguna/docker,gjaskiewicz/moby,vdemeester/docker,shubheksha/docker.github.io,willmtemple/docker,shishir-a412ed/docker,pyotr777/docker,kunalkushwaha/docker,stainboy/docker,DoraALin/docker,hqhq/moby,docker/docker.github.io,flavio/docker,denverdino/docker.github.io,michelvocks/docker,yosifkit/docker,prertik/docker,kolyshkin/moby,unclejack/docker,flavio/docker,erikh/docker,yasiramin10p/moby,eskaaren/docker,gnailuy/docker,noironetworks/docker,rillig/docker.github.io,kerneltime/docker,cloudflare/docker,jzwlqx/denverdino.github.io,xuxinkun/docker,docker/docker,darrenstahlmsft/docker,konstruktoid/docker-1,shubheksha/docker.github.io,stevvooe/docker,madhanrm/docker,haveatry/docker,zhuguihua/docker,achanda/docker,dnephin/docker,Shopify/docker,alexisbellido/docker.github.io,coolljt0725/docker,danyalKhaliq10p/moby,mixja/docker,ajaymdesai/docker,jwhonce/docker,ffoysal/docker,nguyentm83/docker,Syntaxide/docker,anweiss/docker.github.io,mtrmac/docker,whuwxl/docker,sanscontext/docker.github.io,bonczj/moby-json-file-logger,rillig/docker.github.io,flavio/docker,pramodhkp/moby,thaJeztah/docker.github.io,HideoYamauchi/docker,thaJeztah/docker.github.io,johnstep/docker.github.io,gigidwan/docker,cloudflare/docker,kerneltime/docker,rkazak/docker,trebonian/docker,unclejack/docker,anortef/docker,mikebrow/docker,denverdino/denverdino.github.io,TheBigBear/docker,hypriot/docker,mathewkoshy493/docker,13W/docker,sunyuan3/docker,rillig/docker.github.io,LaynePeng/docker,SvenDowideit/docker,umerazad/docker,bonczj/moby-json-file-logger,ckeyer/docker,nalind/docker,mtrmac/docker,tpounds/docker,cyphar/docker,TheBigBear/docker,rancher/docker,bluebreezecf/docker,AkihiroSuda/docker,denverdino/docker.github.io,umerazad/docker,twaugh/docker,solganik/docker,brahmaroutu/docker,unclejack/docker,thaJeztah/docker,qudongfang/docker,sunyuan3/docker,splunk/docker,hustcat/docker,anweiss/docker.github.io,crosbymichael/docker,docker-zh/docker.github.io,inatatsu/docker,jvanz/docker,mahak/docker,toli/docker,wenchma/docker,mahak/docker,madhanrm/docker,ndeloof/docker,dperny/docker,shishir-a412ed/docker,projectatomic/docker,coreos/docker,troy0820/docker.github.io,toli/docker,PatrickLang/moby,kencochrane/docker,thaJeztah/docker.github.io,diogomonica/docker,sdurrheimer/docker,icecrime/docker,dmcgowan/docker,pyotr777/docker,rremer/moby,mixja/docker,miminar/docker,portworx/docker,naveed-jamil-tenpearls/moby,mahak/docker,lixiaobing1/docker,LaynePeng/docker,estesp/docker,shubheksha/docker.github.io,14rcole/docker,dsheets/moby,shhsu/docker,cyphar/docker,HideoYamauchi/docker,denverdino/docker.github.io,stevvooe/docker,menglingwei/denverdino.github.io,YujiOshima/docker,vijaykilari/docker,JimGalasyn/docker.github.io,mgoelzer/docker,harche/docker,alexisbellido/docker.github.io,troy0820/docker.github.io,sfsmithcha/docker,moul/docker,menglingwei/denverdino.github.io,yosifkit/docker,thaJeztah/docker,sdurrheimer/docker,noxiouz/docker,yp-engineering/docker,kojiromike/docker,afein/docker,sean-jc/docker,hustcat/docker,mike1729/docker,allencloud/docker,ailispaw/docker,moxiegirl/docker,DoraALin/docker,Tenk42/docker,Mokolea/docker,scotttlin/docker,dims/docker,xiaods/docker,jlhawn/docker,ajaymdesai/docker,TrumanLing/docker,dims/docker,contiv/docker,alexisbellido/docker.github.io,erikstmartin/docker,flavio/docker,sheimi/docker,haveatry/docker,jlhawn/docker,bluebreezecf/docker,ailispaw/docker,mkumatag/docker,ivansaracino/docker,pecameron/docker,joaofnfernandes/docker.github.io,tianon/docker,johnstep/docker.github.io,JimGalasyn/docker.github.io,JimGalasyn/docker.github.io,moul/docker,mikedougherty/docker,portworx/docker,gdevillele/docker.github.io,nalind/docker,tkopczynski/docker,mstanleyjones/docker,johnstep/moby-moby,dsau/docker,paralin/docker,mtanlee/docker,Shopify/docker,raja-sami-10p/moby,mikebrow/docker,gnailuy/docker,ColinHebert/docker,cnaize/docker,projectatomic/docker,imkin/moby,endophage/docker,joaofnfernandes/docker.github.io,mtesselH/docker,charleszheng44/moby,londoncalling/docker.github.io,danix800/docker.github.io,JMesser81/docker,konstruktoid/docker-upstream,mahak/docker,kojiromike/docker,amatsus/docker,mtrmac/docker,shubheksha/docker.github.io,thtanaka/docker,nguyentm83/docker,tkopczynski/docker,mtanlee/docker,ColinHebert/docker,mstanleyjones/docker,thtanaka/docker,willmtemple/docker,johnstep/moby-moby,catinthesky/docker,endophage/docker,jimjag/docker,srust/docker,thaJeztah/docker.github.io,docker/docker.github.io,trebonian/docker,dperny/docker,gdevillele/docker.github.io,jlebon/docker,xiekeyang/docker,ndeloof/docker,BenHall/docker,xiaods/docker,jimjag/docker,coolljt0725/docker,Microsoft/docker,BSWANG/denverdino.github.io,rancher/docker,justincormack/docker,nalind/docker,duglin/docker,thaJeztah/docker,cnaize/docker,prertik/docker,anweiss/docker.github.io,rremer/moby,bearstech/moby,geekylucas/docker,bonczj/moby-json-file-logger,KarthikNayak/docker,vdemeester/docker,aduermael/docker.github.io,aduermael/docker.github.io,qudongfang/docker,sunyuan3/docker,rremer/moby,justyntemme/docker,OnePaaS/docker,shin-/docker.github.io,projectatomic/docker,aduermael/docker.github.io,joeuo/docker.github.io,mtesselH/docker,sean-jc/docker,hqhq/moby,cyli/docker,jlhawn/docker,raja-sami-10p/moby,moypray/docker,TheBigBear/docker,kerneltime/docker,michelvocks/docker,cr7pt0gr4ph7/docker,jecarey/docker,moypray/docker,menglingwei/denverdino.github.io,13W/docker,dongjoon-hyun/docker,lixiaobing10051267/docker,yummypeng/docker,mohmost12/docker,coreos/docker,dperny/docker,SvenDowideit/docker,LuisBosquez/docker.github.io,jhorwit2/docker,tonistiigi/docker,YujiOshima/docker,johnstep/docker.github.io,moul/docker,HuKeping/docker,achanda/docker,maxamillion/docker,kencochrane/docker,Mokolea/docker,BSWANG/denverdino.github.io,moxiegirl/docker,YuPengZTE/docker,nawawi/docker,yongtang/docker,inatatsu/docker,moypray/docker,mohmost12/docker,paralin/docker,ckeyer/docker,trebonian/docker,isubuz/docker,danyalKhaliq10p/moby,darrenstahlmsft/moby,justincormack/docker,hypriot/docker,anweiss/docker.github.io,isubuz/docker,londoncalling/docker.github.io,resin-io/docker,DoraALin/docker,joeuo/docker.github.io,brahmaroutu/docker,icaoweiwei/docker,ndeloof/docker,noironetworks/docker,Mashimiao/docker,jzwlqx/denverdino.github.io,luxas/docker,x1022as/docker,srust/docker,joaofnfernandes/docker.github.io,cpuguy83/docker,cyli/docker,shhsu/docker,jlebon/docker,HackToday/docker,yongtang/docker,errordeveloper/docker,TrumanLing/docker,danyalKhaliq10p/moby,sanscontext/docker.github.io,errordeveloper/docker,POLJM242/docker,Mokolea/docker,konstruktoid/docker-upstream,jhorwit2/docker,ivansaracino/docker,charleswhchan/docker,akira-baruah/docker,alfred-landrum/docker,jongiddy/docker,thaJeztah/docker,containers/storage,bfirsh/docker,nghiant2710/docker,x1022as/docker,kencochrane/docker,pyotr777/docker,ripcurld0/moby,phiroict/docker,KingEmet/docker,yosifkit/docker,londoncalling/docker.github.io,runcom/docker,dsheets/moby,solganik/docker,icecrime/docker,tklauser/docker,mathewkoshy493/docker,HackToday/docker,davinashreddy/docker,tophj-ibm/docker,estesp/docker,mikedougherty/docker,rkazak/docker,mtanlee/docker,vijaykilari/docker,cpuguy83/docker,abhinavdahiya/docker,Microsoft/docker,jimjag/docker,sheimi/docker,madhanrm/docker,sarnautov/moby,asbjornenge/docker,danix800/docker.github.io,docker/docker.github.io,willmtemple/docker,rancher/docker,tophj-ibm/moby,KingEmet/docker,moby/moby,rillig/docker.github.io,dgageot/docker,ckeyer/docker,tagomoris/docker,dmcgowan/docker,naveed-jamil-tenpearls/moby,akira-baruah/docker,charleswhchan/docker,duglin/docker,isubuz/docker,gjaskiewicz/moby,trebonian/docker,HuKeping/docker,mgoelzer/docker,miminar/docker,konstruktoid/docker-upstream,pramodhkp/moby,medallia/docker,asbjornenge/docker,JMesser81/docker,msabansal/docker,troy0820/docker.github.io,gigidwan/docker,joaofnfernandes/docker.github.io,crosbymichael/docker,allencloud/docker,konstruktoid/docker-upstream,ailispaw/docker,POLJM242/docker,dnephin/docker,PatrickLang/moby,gnailuy/docker,LuisBosquez/docker.github.io,docker-zh/docker.github.io,mathewkoshy493/docker,yummypeng/docker,yosifkit/docker,PatrickLang/moby,charleszheng44/moby,phiroict/docker,13W/docker,coreos/docker,maxamillion/docker,xiaods/docker,justyntemme/docker,ZJU-SEL/docker,noxiouz/docker,miminar/docker,sterchelen/docker,ffoysal/docker,imkin/moby,ibuildthecloud/docker,Altiscale/docker,dccurtis/docker,hqhq/moby,shin-/docker.github.io,coolljt0725/docker,ibuildthecloud/docker,sfsmithcha/docker,moul/docker,q384566678/docker,darrenstahlmsft/moby,sarnautov/moby,yongtang/docker,menglingwei/denverdino.github.io,davinashreddy/docker,dgageot/docker,medallia/docker,laijs/moby,dccurtis/docker,erikstmartin/docker,anujbahuguna/docker,laijs/moby,endophage/docker,Tenk42/docker,q384566678/docker,ColinHebert/docker,sanscontext/docker.github.io,pramodhkp/moby,bdwill/docker.github.io,gdevillele/docker.github.io,rhardih/docker,sterchelen/docker,twaugh/docker,rkazak/docker,noironetworks/docker,rhatdan/storage,paralin/docker,bdwill/docker.github.io,JimGalasyn/docker.github.io,pradipd/moby,rhatdan/storage,whuwxl/docker,YujiOshima/docker,fcrisciani/docker,shin-/docker.github.io,Ramzec/docker,mtesselH/docker,afein/docker,phiroict/docker,alexisbellido/docker.github.io,alfred-landrum/docker,jwhonce/docker,amatsus/docker,imkin/moby,YuPengZTE/docker,docker/docker,duglin/docker,bdwill/docker.github.io,wenchma/docker,contiv/docker,tmp6154/docker,raja-sami-10p/moby,shin-/docker.github.io,thaJeztah/docker.github.io,michael-holzheu/docker,geekylucas/docker,whuwxl/docker,resin-io/docker,stainboy/docker,runcom/docker,darrenstahlmsft/docker,denverdino/docker.github.io,phiroict/docker,charleszheng44/moby,mstanleyjones/docker,yp-engineering/docker,yasiramin10p/moby,nalind/docker,kunalkushwaha/docker,Mokolea/docker,zhuguihua/docker,cr7pt0gr4ph7/docker,stainboy/docker,msabansal/docker,bfirsh/docker,charleswhchan/docker,ajaymdesai/docker,paralin/docker,resin-io/docker,anweiss/docker.github.io,LaynePeng/docker,lixiaobing1/docker,jongiddy/docker,shhsu/docker,xuxinkun/docker,laijs/docker,sfsmithcha/docker,BSWANG/denverdino.github.io,kojiromike/docker,medallia/docker,jlebon/docker,tklauser/docker,lixiaobing10051267/docker,jzwlqx/denverdino.github.io,eskaaren/docker,moby/moby,justyntemme/docker,menglingwei/denverdino.github.io,fcrisciani/docker,AkihiroSuda/docker,icecrime/docker,jecarey/docker,johnstep/docker.github.io,bearstech/moby,geekylucas/docker,tagomoris/docker,denverdino/denverdino.github.io,kolyshkin/docker,Altiscale/docker,djs55/docker,alfred-landrum/docker,docker/docker.github.io,gschaetz/moby,rhatdan/docker,ripcurld0/moby,yasiramin10p/moby,achanda/docker,abhinavdahiya/docker,rhatdan/docker,tophj-ibm/docker,jthelin/docker,dnephin/docker,konstruktoid/docker-1,denverdino/denverdino.github.io,gigidwan/docker,cr7pt0gr4ph7/docker,moxiegirl/docker,medallia/docker,joeuo/docker.github.io,rhatdan/storage,prertik/docker,londoncalling/docker.github.io,jameszhan/docker,konstruktoid/docker-1,anujbahuguna/docker,erikstmartin/docker,gschaetz/moby,bearstech/moby,laijs/docker,Morsicus/docker,kolyshkin/moby,dccurtis/docker,rhardih/docker,bluebreezecf/docker,nghiant2710/docker,AkihiroSuda/docker