お前のDockerイメージはまだ重い💢💢💢

Transcript

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   ͓લͷ%PDLFSΠϝʔδ͸
   ·ͩॏ͍ 2016/02/05 JAWS-UG ίϯςφࢧ෦ #4 @stormcat24 ʙମࢷ๱཰1έλͷDockerΠϝʔδΛ໨ࢦͯ͠ʙ

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   ‣ @stormcat24 ‣ Akinori Yamada ‣ CyberAgent, Inc ‣ Technical

   Engineer ‣ DevOps ‣ http://stormcat.hatenablog.com ‣ AmebaFRESH!
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   "NFCB'3&4)

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   ौ୩ఆ఺Χϝϥͱ͔

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   ण࢘԰ϥΠϒͱ͔

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   AmebaFRESH! is Full Dockernized Service! by EC2 Container Service

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   ͦ͏͍΍લճ΋஻Γ·ͨ͠ https://speakerdeck.com/stormcat24/next-fresh-applications-with-amazon-ecs

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   લճͷ࿩͸ɾɾɾ ‣ FRESH!ͷECS࢖ͬͨΞʔΩςΫνϟ ‣ Blue Green Deploymentͱ͔ ‣ docker-machineͰͷϩʔΧϧ։ൃ ‣

   DockerΠϝʔδͷݮྔ ‣ ͦͷଞDevOpsͱ͔
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   ࠓ೔͸ݮྔͷ࿩͚ͩ͠·͢

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    ಥવͰ͕͢

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    ໿(#ͷ%PDLFSΠϝʔδ
    QVMMʹԿඵ͔͔Δʁ

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    ଌఆ৚݅ ‣ EC2্ͷPrivate Docker Registry(V2)Λར༻ ‣ Registry͕ར༻͢ΔετϨʔδ͸S3 ‣ ಉҰϦʔδϣϯͷEC2͔ΒࢦఆͷΠϝʔδΛdocker pull͢Δ

    ‣ EC2ɺS3ڞʹap-northeast-1(Tokyo) ‣ EC2্ʹ͸ΠϝʔδͷϨΠϠʔΩϟογϡ͸ଘࡏ͠ ͳ͍΋ͷͱ͢Δ
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    "OTXFS
    ໿ඵ ※ΠϝʔδʹΑͬͯࠩ͸΋ͪΖΜ͋Γ·͢

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    ࣮͸͜Ε͸͔ͳΓ޷৚݅ ‣ EC2ͱRegistry, S3͸ಉҰϦʔδϣϯͳͷͰϨΠς ϯγ௿ ‣ DockerHubʹಉΠϝʔδΛஔ͍ͨ৔߹ɺ໿75ඵ͘ Β͍ͩͬͨ

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    ඵͳΒѱ͘ͳ͍ɾɾɾʁ

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    ͍΍ɺݱ࣮͸ݫ͍͠

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    ίϯςφ̍ͭͰ͸੒ཱ͠ͳ͍

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    զʑ͸ଟ͘ͷίϯςφΛӡ༻͢Δɹ ‣ ༷ʑͳ໾ׂͷίϯϙʔωϯτͰγεςϜ͸੒ཱ ‣ ଞͷίϯςφͱڠௐͯ͠ಈ͘ ‣ td-agentͷग़൪΋ଟ͍ ‣ 1ͭͷϗετΛσϓϩΠ͢Δͷʹɺෳ਺ͷDockerί ϯςφΛpull͢Δඞཁ͕͋Δ

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    ίϯςφʹඵɺ஗͍

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    %PDLFSΠϝʔδ͕େ͖͍ͱ ‣ ΠϝʔδͷϏϧυɺCI࣌ؒ↑ ‣ Πϝʔδͷμ΢ϯϩʔυ࣌ؒ↑ ‣ ΠϝʔδͷΞοϓϩʔυ࣌ؒ↑ ‣ ੜ࢈ੑ↓ ‣

    Twitter͢Δ࣌ؒ↑
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    ӡ༻ʹٴ΅͢Өڹ ‣ σϓϩΠ࣌ؒ↑ ‣ “ࣺͯΔΠϯϑϥӡ༻”ͷ৔߹ɺΠϝʔδͷϨΠϠʔ Ωϟογϡʹ͸͋·ΓཔΕͳ͍ʢϑϧμ΢ϯϩʔυ ͕ଟ͍ʣ ‣ EC2ͷAutoScalingͰ௥Ճ͞ΕͨΠϯελϯε͕ αʔϏεΠϯ͢Δ·Ͱͷ࣌ؒ↑

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    ॏ͍%PDLFSΠϝʔδ
    ྑ͍͜ͱແ͠

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    ͚ܰΕ͹͍ܰ΄Ͳ
    Ձ஋͕͋Δ

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    ΑΖ͍͠ɺͰ͸ݮྔͩ

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    Πϝʔδݮྔϝιου ‣ ΠϝʔδͷϨΠϠʔ਺ΛݮΒ͢ ‣ ࢈ۀഇغ෺Λద੾ʹॲཧ͢Δ ‣ ϘϦϡʔϜϚ΢ϯτΛ׆༻͢Δ ‣ ͍ܰϕʔεΠϝʔδͷબఆ ‣

    ϘτϧωοΫʢࢷ๱͕͍ͭͯΔՕॴʣΛಛఆ͢Δ ‣ ΞϓϦέʔγϣϯΛখ͘͢͞Δ
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    ϨΠϠʔ਺ΛݮΒ͢ ‣ DockerΠϝʔδ͸εςʔδຖʹϨΠϠʔΛੜ੒͢ ΔʢϨΠϠʔߏ଄ʣ ‣ ϨΠϠʔࣗ਎΋ΠϝʔδͳͷͰɺϨΠϠʔ਺ΛݮΒ ͤ͹αΠζ΋ݮΔ

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    36/ΛνΣʔϯ͢Δ 36/
    FDIP
    EFC
    IUUQQQBMBVODIQBEOFUOHJOYTUBCMFVCVOUV
    USVTUZ
    NBJO
    
    
    a
    
    
    
    
    FUDBQUTPVSDFTMJTUEOHJOYTUBCMFMJTU
    
    a
    
    
    
    
    BQULFZ
    BEW
    LFZTFSWFS
    LFZTFSWFSVCVOUVDPN
    SFDWLFZT
    $&&$
    
    a
    
    
    
    
    BQUHFU
    VQEBUF
    Z
    
    a
    
    
    
    
    BQUHFU
    JOTUBMM
    Z
    OHJOYFYUSBT
    
    a
    
    
    
    
    BQUHFU
    JOTUBMM
    Z
    PQFOTTM
    
    a
    
    
    
    
    BQUHFU
    JOTUBMM
    Z
    HFPJQEBUBCBTF
    
    a
    

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    ࢈ۀഇغ෺Λద੾ʹॲཧ͢Δ ‣ ࢈ۀഇغ෺ʹdocker build࣌ʹੜͨ͡ɺΞϓϦέʔ γϣϯ࣮ߦʹ͸ෆཁͳπʔϧ΍ϑΝΠϧ ‣ yum΍apt-getͷΰϛ ‣ Ϗϧυʹ࢖༻ͨ͠ιʔε ‣

    gitͰ͢Β࢈ۀഇغ෺ ‣ ੒Ռ෺͚ͩ࢒͢͜ͱΛҙࣝ͢Δ
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    ϘϦϡʔϜϚ΢ϯτΛ׆༻͢Δ ‣ ϗετʹඞཁͳσΟϨΫτϦΛ഑ஔ͠ɺίϯςφʹ Ϛ΢ϯτ͢Δ͜ͱͰΠϝʔδͷαΠζΛ࡟ݮ͢Δ ‣ ࡟ݮςΫχοΫͱͯ͠͸༗ޮ ‣ ϗετʹґଘ͢ΔΑ͏ʹͳΔͨΊɺϙʔλϏϦςΟ ͸མͪΔ

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    %PDLFS)VC

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    %PDLFS)VC ‣ DockerΠϝʔδͷGitHubΈ͍ͨͳ΋Μ ‣ ཉ͍͠΋ͷ͸େ఍खʹೖΔ ‣ ༷ʑͳϓϩμΫτͷެࣜΠϝʔδ͕ଟ͘ϗετ͞Ε ͍ͯΔ ‣ ීஈԿؾͳ͘͢Δdocker

    pullͰ͸ɺ͔͜͜ΒΠϝʔ δΛμ΢ϯϩʔυ͢Δ
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    ΠϝʔδͷαΠζΛ֬ೝͰ͖Δ

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    ެࣜΠϝʔδΛ࢖͏΂͖͔ʁ ‣ όʔδϣϯ΋๛෋Ͱ඼࣭తʹ͸ܭࢉͰ͖Δ͕ɾɾɾ ‣ ΠϝʔδͷαΠζ͸ඞͣ͠΋࠷దԽ͞Ε͍ͯΔͱ͸ ݶΒͳ͍ͷͰαΠζ֬ೝॏཁ ‣ ϝδϟʔͲ͜Ζ͸ubuntu΍debianϕʔε͕ଟ͍ ‣ Dockerfileͷϊ΢ϋ΢͚ͩ௖͍ͯɺϕʔεΠϝʔδ

    ͚ͩม͑Δͷ΋બ୒ࢶ
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    TDSBUDI ‣ ͓ͦΒ͘ݱଘ࠷খͷDockerΠϝʔδ ‣ sh΋ls΋ͳ͍ ‣ ࣮͸amazon/amazon-ecs-agent(9MB)ͷϕʔε ‣ ඞཁͳ΋ͷ͸શ෦ηϧϑαʔϏε

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    #VTZCPY ‣ ௒ܰྔͰΠϝʔδ͸600KBʙ2MB ‣ ݩ͸૊ΈࠐΈܥLinuxͷσϑΝΫτͩͬͨ ‣ γΣϧ͸ash ‣ ѻ͍͸͔ͳΓ೉͍͠ʢதͰϏϧυ͠Α͏ͱࢥ͏ͳʣ ‣

    goͷ࣮ߦϑΝΠϧΛCOPY͘Β͍͕ؔͷࢁ
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    "MQJOF
    -JOVY ‣ Πϝʔδ͸2MB ‣ ࣮͸Busyboxϕʔε ‣ APKͱ͍͏ύοέʔδ؅ཧγεςϜ͕͋ΔͷͰɺ BusyboxΑΓѻ͍΍͍͢

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    "1,Ͱ͕Μ͹ͬͯΔྫ 36/
    BQL
    VQEBUF
    BEE
    PQFOTTMEFW
    QDSFEFW
    [MJCEFW
    XHFU
    CVJMECBTF
    
    a
    
    
    
    
    NLEJS
    Q
    UNQTSD
    
    a
    
    
    
    
    DE
    UNQTSD
    
    a
    
    
    
    
    XHFU
    IUUQOHJOYPSHEPXOMPBEOHJOYUBSH[
    
    a
    
    
    
    
    UBS
    [YWG
    OHJOYUBSH[UBSH[
    
    a
    
    
    
    
    DE
    UNQTSDOHJOYUBSH[
    
    a
    
    
    
    
    DPOpHVSF
    a
    
    
    
    
    
    
    
    
    XJUIIUUQ@TTM@NPEVMF
    a
    
    
    
    
    
    
    
    
    XJUIIUUQ@H[JQ@TUBUJD@NPEVMF
    a
    

    
    
    
    
    
    
    
    
    QSFpYFUDOHJOY
    a
    
    
    
    
    
    
    
    
    IUUQMPHQBUIWBSMPHOHJOYBDDFTTMPH
    a
    
    
    
    
    
    
    
    
    FSSPSMPHQBUIWBSMPHOHJOYFSSPSMPH
    a
    
    
    
    
    
    
    
    
    TCJOQBUIVTSMPDBMTCJOOHJOY
    
    a
    
    
    
    
    NBLF
    
    a
    
    
    
    
    NBLF
    JOTUBMM
    
    a
    
    
    
    
    BQL
    EFM
    CVJMECBTF
    
    a
    
    
    
    
    SN
    SG
    UNQTSD
    
    a
    
    
    
    
    SN
    SG
    WBSDBDIFBQL
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    "MQJOF೿ੜओཁΠϝʔδ ‣ anapsix/alpine-javaʢ໿50MBʣ ‣ cwt114/alpine-nodeʢ໿15MBʣ ‣ frolvlad/alpine-rubyʢ໿10MBʣ ‣ frolvlad/alpine-goʢ໿50MBʣ ‣

    ಉ͡Α͏ͳͷΰϩΰϩస͕ͬͯΔ
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    ࠓͷͱ͜Ζͷ"MQJOFॴײ ‣ ཪͰຊ൪౤ೖͷػӡΛ࢕ͬͯΔʢλΠϛϯά࣍ୈʣ ‣ nginx͕150MB→20MB͘Β͍ ‣ ฏۉ80%͘Β͍ͷ࡟ݮ͕ظ଴Ͱ͖Δ ‣ Web/APIͷECS Taskʢίϯςφ4छʣͰ200-

    300MB͘Β͍ɺ1෼͘Β͍Ͱpull+runͰ͖Δ
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    ܰ͞ͱͷτϨʔυΦϑ ‣ Dockerfile࡞Γ͕৬ਓܳʹͳΓ͕ͪ ‣ AlpineͷϦϙδτϦʹ͋Δύοέʔδͷόʔδϣϯ ͕ͦΕ΄Ͳ৽઱Ͱ͸ͳ͍ ‣ ࠷৽൛ͷϛυϧ΢ΣΞΛೖΕΔͷʹɺιʔείϯύ Πϧ͔Β࢝ΊͨΓ͢Δඞཁ͕͋Δ

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    *NBHF-BZFSJP ‣ https://imagelayers.io ‣ DockerΠϝʔδͷϨΠϠʔΛՄࢹԽͯ͘͠ΕΔ αʔϏε ‣ DockerHub࿈ܞ ‣ ଠ͍ՕॴΛҰൃͰ਍அͯ͘͠ΕΔ

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    None
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    %PDLFS)VCͱ࿈ܞͰ͖Δ

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    ͲͷϨΠϠʔʹ
    ࢷ๱͕͍ͭͯΔ͔
    Ұ໨ྎવ

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    ಠࣗϨδετϦͰ࢖͑Δʁ ‣ GitHubͱDockerHubʹެ։͞ΕͯΔ ‣ centurylink/imagelayers-api ‣ centurylink/imagelayers-ui ‣ ϨδετϦΛࠩ͠ସ͑ΒΕΔ࢓૊Έʹͳͬͯͳ͍ ‣

    Registry(V1)લఏͷ໛༷ ‣ forkͯͪ͠ΐͬͱؤுΕ͹ɾɾɾ
46. 46.

    ΞϓϦέʔγϣϯΛখ͘͢͞Δ ‣ ίϯςφ࣌୅Ͱ͸αΠζͷখ͞͞΋໰ΘΕΔ ‣ Dockerܳਓʹ͸֤ݴޠͷϏϧυπʔϧͷ஌ࣝ΋໰ ΘΕΔ ‣ Node: npm ‣

    Java/Scala: Maven, Gradle, sbt ‣ Go: godep, glide
47. 47.

    ΞϓϦέʔγϣϯϨϕϧͰͷݮྔ ‣ ෆཁϞδϡʔϧͷ࡟আ ‣ ෆཁͳґଘϥΠϒϥϦͷ࡟আɺϥΠϒϥϦͷείʔ ϓͷݟ௚͠ ‣ ↑ͷͨΊͷϦϑΝΫλϦϯά ‣ ੩తϑΝΠϧ౳ɺ֎෦ʹग़ͤͦ͏ͳϦιʔεͷબผ

48. 48.

    %PDLFS༗ࣝऀ͚ͩͰ͸੒ޭ͠ͳ͍ ‣ ίϯςφϕʔεͰӡ༻͢Δ͚ͩͰ͋Ε͹ɺDocker ༗ࣝऀ͚ͩͰͳΜͱ͔ͳΔ͕ɾɾɾ ‣ ReactͷαʔόαΠυϨϯμϦϯά౳ʑɺϑϩϯτ دΓͷྖҬͰͷཧղΛಘΔ͜ͱ͕ॏཁ ‣ ߴ͍ϨϕϧͰͷӡ༻ʹ͸ɺDocker༗ࣝऀʹٻΊΒ ΕΔٕज़ྖҬ͸࣮͸޿͍

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    ·ͱΊ ‣ ॏ͗͢ΔΠϝʔδ͸ӡ༻ͷোนʹͳΔ ‣ ϙʔλϏϦςΟͱɺܰ͞Λ݉Ͷඋ͑ͯͦ͜ྑ͍ DockerΠϝʔδ ‣ ެࣜΠϝʔδա৴͢Δͳ ‣ Alpine(ɾ㱼ɾ)ŘŘŮ!!

    ‣ ΞϓϦͷστοΫε΋๨Εͣʹ
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    ໨ࢦͤɺମࢷ๱཰έλ

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    Thank you.