Docker入門

NaITE 13回目勉強会　Docker入門　資料

Transcript

1. Docker ೖ໳
   NaITE #13
   2016.4.27
   

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2. ࣗݾ঺հ
   ໊લɿ֯ాɹढ़ʢͭͷͩɹ͠ΎΜʣ
   ίϛϡχςΟɿNaITEɹͳͲ
   Twitterɿ͍ΉͯΜˏimtnd
   ۈ຿ઌɿ௨৴ܥ੡଄ۀ
   ۀ຿ɿιϑτ΢ΣΞ։ൃɹ5೥໨
   

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3. Docker
   
   
   
   

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4. ຊηογϣϯͷ໨త
   DockerΛͳΜͱͳ͘ཧղ͢Δ
   DockerΛ࠷௿ݶ࢖͑ΔΑ͏ʹͳΔ
   

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5. Docker
   

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6. Dockerʹ͍ͭͯ
   Dockerͱ͸ɺԾ૝Խٕज़ͷҰͭ
   ίϯςφͱ͍͏୯ҐͰԾ૝Խ͢Δ͜ͱʹΑΓɺ
   OSͳͲʹґଘ͠ͳ͍γεςϜΛఏڙ
   

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7. Dockerʹ͍ͭͯ
   Virtual Machine container
   https://www.docker.com/what-docker
   

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8. DockerͷϝϦοτ
   VMͱҧ͍ܰྔͰ͋Γɺىಈɺऴ͕ྃߴ଎Ͱ
   ͋Δ
   CIͳͲͰ࢖͍ࣺͯͳ͕ΒΫϦʔϯͳ؀ڥͰς
   ετ͢Δ͜ͱ͕Ͱ͖Δ
   ύοέʔδΠϝʔδ͕ڞ༗Ͱ͖ɺ͙͢ʹ࢖༻
   ͢Δ࢓૊Έ͕͋Δ
   

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9. Docker Toolbox
   

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10. Docker Toolbox
    Dockerʹؔ࿈͢Δπʔϧ͕ύοέʔδԽ͞Ε
    ͨ΋ͷ
    Docker Engine
    Docker Machine
    Docker Compose
    Kitematic
    

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11. DockerͷΠϯετʔϧํ๏
    Cent OS 7 Ҏ্
    yum ͰΠϯετʔϧՄೳ
    Ubuntu 15.04 Ҏ্
    ύοέʔδΛ௥Ճͯ͠ɺapt-getͰΠϯε
    τʔϧՄೳ
    https://docs.docker.com/engine/installation/linux/ubuntulinux/
    

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12. DockerͷΠϯετʔϧํ๏
    ίϯςφઐ༻OS
    https://coreos.com/using-coreos/containers/
    

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13. DockerͷΠϯετʔϧํ๏
    ίϯςφઐ༻OS
    CoreOS
    Project Atomic
    Red Hat Enterprise Linux Atomic Host
    Snappy Ubuntu Core
    

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14. DockerͷΠϯετʔϧํ๏
    WindowsɺMac OSͷ৔߹
    Virtual Box
    Docker Toolbox
    ※ɹ2016/04/27ݱࡏͷϝδϟʔͳํ๏
    

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15. DockerͷΠϯετʔϧํ๏
    MacOSͱWindowsͷωΠςΟϒԾ૝ԽΛ༻͍ͨ
    Docker७ਖ਼πʔϧʮDocker for Mac/Windowsʯొ৔ɺ
    VirtualBox͸ෆཁʹ
    http://www.publickey1.jp/blog/16/docker_for_macwindows.html
    

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16. WindowsɺMac OSͰԿ΋ߟ͑ͳ͍ͰΠϯε
    τʔϧ͢ΔͱɺVIrtual Box্ʹ”default”ͱ͍
    ͏Ծ૝Ϛγϯ͕Ͱ͖͍ͯΔ
    Linuxͷ৔߹͸ίϚϯυͰɺDocker༻ͷԾ૝
    ϚγϯΛ࡞੒͢Δ
    DockerͷΠϯετʔϧํ๏
    

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17. Docker Machine
    

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18. Docker Machine
    Docker ϗετΛϚωδϝϯτ͢Δπʔϧ
    Docker ϗετͷ࡞੒
    Docker ϗετͷىಈ
    Docker ϗετͷऴྃɹɹɹͳͲ
    

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19. Docker MachineίϚϯυ
    Docker MachineΛVirtual Box্ʹ࡞੒
    Docker Machineͷ࡟আ
    $docker-machine create —driver virtualbox vmD(Ծ૝Ϛγϯ໊)
    $docker-machine rm vmD(Ծ૝Ϛγϯ໊)
    

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20. Docker MachineίϚϯυ
    Dockerϗετͷىಈ
    Dockerϗετͷऴྃ
    DockerϗετͷҰཡදࣔ
    $docker-machine start default(Ծ૝Ϛγϯ໊)
    $docker-machine stop default(Ծ૝Ϛγϯ໊)
    $docker-machine ls
    

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21. Docker MachineίϚϯυ
    DockerϗετͷIPΞυϨε֬ೝ
    Dockerϗετ΁ͷϩάΠϯ
    Dockerϗετͷ؀ڥม਺֬ೝ
    $docker-machine ip default(Ծ૝Ϛγϯ໊)
    $docker-machine ssh default(Ծ૝Ϛγϯ໊)
    $docker-machine env default(Ծ૝Ϛγϯ໊)
    

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22. DockerίϚϯυ
    DockerͷΠϝʔδͷऔಘ
    $docker pull centos:centos6
    ϦϙδτϦ໊ λά
    

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23. DockerίϚϯυ
    $docker pull centos:centos6
    DockerϨδετϦʹ
    ެ։͞Εͨ
    DockerΠϝʔδ
    pull
    

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24. DockerϨδετϦ
    DockerϨδετϦͱ͸ɺDockerͷΠϝʔδΛ
    ؅ཧ͓ͯ͘͠৔ॴ
    ެࣜͰ༻ҙ͍ͯ͠ΔDockerϨδετϦ͸
    Docker Hub
    https://hub.docker.com/
    

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25. DockerίϚϯυ
    Docker ΠϝʔδͷҰཡදࣔ
    Docker Πϝʔδͷ࡟আ
    $docker images
    $docker rmi centos:centos6(ϦϙδτϦ໊:λά)
    

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26. DockerίϚϯυ
    Cent OSͷDockerΠϝʔδΛಈ͔ͯ͠ΈΔ
    $docker run -t -i —name centos centos:centos6 /bin/bash
    ίϯςφ໊Λ෇͚ΒΕΔ
    

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27. DockerίϚϯυ
    Docker ίϯςφͷҰཡදࣔ
    Docker ίϯςφͷ࡟আ
    $docker ps -a
    $docker rm centos6(ίϯςφ໊)
    

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28. DockerίϚϯυ
    nginx(ΤϯδϯΤοΫε)ͷΠϝʔδऔಘ
    ϙʔτʹׂΓ෇͚ͯىಈ
    $docker pull nginx:latest
    $docker run -d -p 8080:80 —name nginx nginx:latest
    WebαʔόΛಈ͔ͯ͠ΈΔ
    

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29. DockerίϚϯυ
    Docker ίϯςφͷऴྃ
    Docker ίϯςφͷىಈ
    $docker stop nginx(ίϯςφ໊)
    $docker start nginx(ίϯςφ໊)
    

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30. Dockerfile
    Dockerfileͱ͸ɺDockerΠϝʔδΛ࡞੒͢Δ
    ݩͱͳΔϑΝΠϧ
    makeϑΝΠϧͷΑ͏ͳ෺ͰɺҰίϚϯυͰ
    DockerΠϝʔδ͕࡞੒ग़དྷΔ
    ؆୯ʹهड़Ͱ͖ɺݟͨ໨΋ཧղ͠΍͍͢ͷ͕
    ಛ௃
    

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31. Dockerfile
    Dockerfileαϯϓϧ
    $git clone https://github.com/imtnd/httpd.git
    httpd
    +- Dockerfile
    +- index.html
    ※ɹGit͕ͳ͍ਓ͸ϒϥ΢β͔Β௚઀ΞΫηε
    

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32. Dockerfile
    httpdσΟϨΫτϦʹҠಈ
    $cd httpd
    DockerfileΛݩʹDockerΠϝʔδͷ࡞੒
    $docker build -t httpd ./
    

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33. Dockerfile
    ίϯςφͷىಈ
    $docker run -d -p 80:80 httpd(ϦϙδτϦ໊)
    ϒϥ΢βͰϗετͷIPΞυϨεʹΞΫηε͠
    ͯΈΔͱɺ”hello docker”ͱݟ͑Δ
    

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34. Dockerfile
    FROM centos:centos6
    
    MAINTAINER imtnd
    
    RUN yum install -y httpd
    
    ADD index.html /var/www/html/index.html
    
    EXPOSE 80/tcp
    
    CMD ["/usr/sbin/httpd","-D","FOREGROUND"]
    
    

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35. Dockerfile
    FROM centos:centos6
    
    MAINTAINER imtnd
    
    RUN yum install -y httpd
    
    ADD index.html /var/www/html/index.html
    
    EXPOSE 80/tcp
    
    CMD ["/usr/sbin/httpd","-D","FOREGROUND"]
    
    ϕʔεͷDockerΠϝʔδ
    

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36. Dockerfile
    FROM centos:centos6
    
    MAINTAINER imtnd
    
    RUN yum install -y httpd
    
    ADD index.html /var/www/html/index.html
    
    EXPOSE 80/tcp
    
    CMD ["/usr/sbin/httpd","-D","FOREGROUND"]
    
    DockerΠϝʔδ࡞੒ऀ
    

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37. Dockerfile
    FROM centos:centos6
    
    MAINTAINER imtnd
    
    RUN yum install -y httpd
    
    ADD index.html /var/www/html/index.html
    
    EXPOSE 80/tcp
    
    CMD ["/usr/sbin/httpd","-D","FOREGROUND"]
    
    ίϚϯυͷ࣮ߦࢦࣔ
    

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38. Dockerfile
    FROM centos:centos6
    
    MAINTAINER imtnd
    
    RUN yum install -y httpd
    
    ADD index.html /var/www/html/index.html
    
    EXPOSE 80/tcp
    
    CMD ["/usr/sbin/httpd","-D","FOREGROUND"]
    
    ϑΝΠϧͷ௥Ճࢦࣔ
    

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39. Dockerfile
    FROM centos:centos6
    
    MAINTAINER imtnd
    
    RUN yum install -y httpd
    
    ADD index.html /var/www/html/index.html
    
    EXPOSE 80/tcp
    
    CMD ["/usr/sbin/httpd","-D","FOREGROUND"]
    
    ϙʔτ൪߸ͷొ࿥
    

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40. Dockerfile
    FROM centos:centos6
    
    MAINTAINER imtnd
    
    RUN yum install -y httpd
    
    ADD index.html /var/www/html/index.html
    
    EXPOSE 80/tcp
    
    CMD ["/usr/sbin/httpd","-D","FOREGROUND"]
    
    ίϯςφىಈ࣌ͷ
    ࣮ߦίϚϯυࢦࣔ
    

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41. Docker Compose
    

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42. Docker Compose
    ίϯςφ͸αʔϏε୯ҐͰߏங͍ͯ͘͠ͱ؅
    ཧָ͕ʹͳΔʢΞϓϦɺDBͳͲʣ
    αʔϏε͸ෳ਺ͷίϯςφʹΑͬͯߏங͞Ε
    Δ͜ͱʹͳΔͨΊҰׅͰ؅ཧ͢Δඞཁ͕͋Δ
    ෳ਺ͷίϯςϯΛ؅ཧग़དྷΔ࢓૊Έ͕ɺ
    Docker Compose
    

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43. Docker Compose
    Docker Compose͸ɺYMLϑΝΠϧͰίϯςφΛ؅ཧ
    ͢Δ
    YMLϑΝΠϧαϯϓϧ(TestLinkͱ͍͏αʔϏε͕ಈ͘)
    $git clone https://github.com/imtnd/testlink_yml.git
    ※ɹGit͕ͳ͍ਓ͸ϒϥ΢β͔Β௚઀ΞΫηε
    

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44. Docker Compose
    YMLϑΝΠϧΛݩʹαʔϏεΛىಈ
    ίϯςφͷঢ়ଶ֬ೝ
    $docker-compose up -d
    $docker-compose ps
    ԼهΞυϨεʹϒϥ΢β͔ΒΞΫηϧͰ͖Δ
    http://xxx.xxx.xxx.xxx(ϗετͷIPΞυϨε)/testlink/
    ॳظઃఆͳͲ͸ԼهαΠτΛࢀর
    http://qiita.com/imtnd/items/a58a707db08c3710d963
    

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45. Docker Compose
    αʔϏεͷఀࢭ
    $docker-compose stop
    ҰίϚϯυͰɺMySQLɺTestLinkͷαʔϏε
    ͷίϯςφ͕ىಈͯ͠Δɻ
    busyboxͱ͍͏ͷ͸ɺσʔλΛӬଓԽ͢Δͨ
    Ίͷίϯςφ
    

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46. Docker Compose
    Docker hubʹ͋ΔΠϝʔδΛ࢖༻͢Δͱ໘౗
    ͍͘͞ΠϯϑϥߏஙΛ͠ͳ͍Ͱɺ؀ڥΛηοτ
    Ξοϓ͢Δ͜ͱ͕Ͱ͖Δɻ
    ڵຯΛ࣋ͬͨπʔϧΛ؆୯ʹ࢖༻ͯ͠Έ͍ͨ࣌
    ͳͲʹ࠷ద
    (πʔϧ໊)ɹdocker compose
    

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47. ͦͷଞπʔϧ
    Docker Swarm
    Docker Registory
    Kitematic
    

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48. ίϯςφؔ࿈αʔϏε
    tutum Kubernates
    

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49. ࠷ޙʹ
    Docker ͸·ͩ·ͩ·ͩ·ͩൃల్தͳπʔ
    ϧͰ͢ɻ
    ͜ͷεϥΠυͷ৘ใ΋աڈͷ෺ʹͳ͍͖ͬͯ
    ·͢ɻ
    ൃల్தͰ͋Δ͕ނʹɺ࠷৽ಈ޲Λ௥ͬͯΈ
    Δͱ໘ന͍ͱࢥ͍·͢ɻ
    

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50. Let’s Run Container
    

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