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'D'evelopment and 'D'eployment with 'D'ocker at 'D'wango

F1cd1a327232f46dfd4b96b1da39e081?s=47 ixixi
January 17, 2015
Technology
15
25k

'D'evelopment and 'D'eployment with 'D'ocker at 'D'wango

Development with Docker,
Deployment with Docker.

F1cd1a327232f46dfd4b96b1da39e081?s=128

ixixi

January 17, 2015
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Transcript

  1. Development and Deployment with Docker at Dwango @ixixi

  2. %8"/(0$P -UE :VSJ0EBHJSJ !JYJYJ 3FDPNNFOEBUJPOTZTUFNBSDIJUFDU

  3. Development with Docker

  4. /JDPOJDP "QQMJDBUJPO4FSWFS )551SFRVFTU 8FC 4FSWFS $BTTBOESB 3FDPNNFOE
 "1*4FSWFS Recommendation API

    3FDPNNFOE 4FSWFS 0UIFS4FSWJDFT MPHT $BDIF4FSWFS MPHT w%PDLFSҎલ͔ΒՔಇ͍ͯ͠ΔϨίϝϯυ"1* wχίχίಈըͷʮؔ࿈ಈըʯͳͲΛฦ͢ɻ

  5. Ϩίϝϯυͷ֬ೝͱςετ wϨίϝϯυͷγεςϜʹखΛՃ͑ͨ৔߹ʹɺϨίϝϯυ݁Ռ͕Ͳ͏
 มԽ͢Δ͔ͷ֬ೝ͸ɺίʔυϨϏϡʔɾ6OJU5FTUͰ͸อূͮ͠Β͍ɻ ! wQVMMSFRΛNBTUFSʹऔΓࠐΉຊ൪σϓϩΠͳͷͰɺ֬ೝແ͠Ͱͷ౤ ೖ͸ͨ͘͠ͳ͍ɻ ! wͲ͏ʹ͔ͯ͠ɺखܰʹʮ࣮ࡍͷ؀ڥΛ֬ೝʯग़དྷΔΑ͏ʹ͍ͨ͠ɻ

  6. ΍Γ͍ͨ͜ͱ wQVMMSFRग़ͨ͠ΒɺϨίϝϯυʹؔΘΔ%PDLFSͷ
 ίϯςφҰἧ͍ lܥz ͕উखʹཱͭɻ wࣗ෼Ͱ؀ڥΛ࡞ͬͯࢼ͞ͳͯ͘΋ɺ
 ʮ͜͜Ͱطʹಈ͍͍ͯΔΑʯͱ͍͏ঢ়ଶ͕࠷ߴɻ ! wϨίϝϯυ"1*Ͱɺ࣮ࡍʹԿ͕Ϩίϝϯυ͞ΕΔ͔
 දࣔग़དྷΔ3FDPNNFOE7JFXFS

    ಺෦πʔϧ Ͱݟ͍ͨɻ طʹಈ͍͍ͯΔ

  7. /JDPOJDP "QQMJDBUJPO4FSWFS )551SFRVFTU 8FC 4FSWFS $BTTBOESB 3FDPNNFOE
 "1*4FSWFS Containerize! 3FDPNNFOE

    4FSWFS 0UIFS4FSWJDFT MPHT $BDIF4FSWFS MPHT 3FDPNNFOE 7JFXFS )551SFRVFTU

  8. pull request builderͰҰ্ཱࣜͪ͛&௨஌ wKFOLJOTͷQVMMSFRVFTUCVJMEFSΛར༻ɻ wKPCDIBJOͰςετ͔Βίϯςφ࡞੒ɺίϝϯτॻ͖ࠐΈ·Ͱ࣮ߦɻ QVMMSFRVFTUCVJMEFS QVMMSFRVFTU ௨ৗͷςετ QVMMSFRVFTUΛ൓өͨ͠ EPDLFSίϯςφ࡞੒

    EPDLFSίϯςφͰ ܥΛҰࣜىಈ ઀ଓઌϙʔτ৘ใΛ QVMMSFRίϝϯτʹॻࠐ ίϝϯτʹॻ͖ࠐΈ

  9. ίϯςφੜ੒ wQVMMSFRVFTUʹରԠͨ͠ίϯςφ໊ͷQSFpYΛ࡞Δɻ
 wྫ QVMMSFR൪߸͕Ͱ࣌ࠁ͕ͳΒ
 ɹɹQVMMSFR@SFDPNNFOE@BQJ@@U
 wಉҰQVMMSFR಺Ͱ΋ɺߋ৽͞ΕΔ౓ʹίϯςφੜ੒͍ͨ͠ͷͰɺ೔͕࣌ඞཁɻ
 wQVMMSFRऴྃ࣌ ޙड़ ʹ͜ͷQSFpYΛར༻ɻ

  10. ίϯςφͰʮܥʯΛཱͯΔ wHJUQVMM͔ͯ͠ΒpHCVJME͢ΔSBLFUBTLΛ࣮ߦ wQVMMSFRʹରԠͨ͠CSBODIΛ࢖ͬͯCVJME͕૸Δɻ wΞϓϦߋ৽෦෼Ҏલ͸Ωϟογϡ͕ޮ͘ͷͰCVJME͸ߴ଎ ! wੜ੒ͨ͠QSFpYΛ෇Ճͨ͠ίϯςφ໊ͰpHVQ͢ΔSBLFUBTL࣮ߦ ! wDBTTBOESBSFEJTͷαʔό͸ɺμϛʔσʔλ͕
 ೖͬͨίϯςφ্ཱ͕͕ͪΔɻ !

    wQVMMSFRͷίϝϯτͰɺىಈͤ͞Δ֤ίϯςφͷ
 CSBODIΛ໌ࣔࢦఆ͢Δ͜ͱ΋Մೳɻ
 ผͷSFQPTJUPSZͷQVMMSFR΋Ұॹʹద༻͢Δඞཁ͕͋Δ৔߹౳ $BTTBOESB 3FDPNNFE
 "1*4FSWFS 3FDPNNFOE 4FSWFS $BDIF 4FSWFS 3FDPNNFOE 7JFXFS MJOL MJOL MJOL MJOL

  11. PullReqίϝϯτ΁ͷॻ͖ࠐΈ w֤ίϯςφׂ͕Γ౰ͯΒΕͨϙʔτΛऔಘɻ ! w઀ଓ৘ใΛ()FͷQVMMSFRίϝϯτʹॻ͘ɻ

  12. Garbage Collection (daily) wQVMMSFRVFTU͕DMPTF͞ΕͨΒίϯςφΛࢭΊΔ࡟আ͢Δɻ
 wKFOLJOTͰQVMMSFRVFTUͷDMPTFIPPL͢Δ͜ͱ͕೉͔ͬͨͨ͠Ίɺ೔࣍Ͱ($ɻ DSPO 
 wEPDLFSͷίϯςφ໊ͷQSFpYΛQBSTFͯ͠ɺSFQPTJUPSZͱQVMMSFRVFTU൪߸Λऔಘɻ
 w౰֘QVMMSFRVFTU͕DMPTF͞Ε͍ͯΔ͔֬ೝ͠ɺด͍ͯͨ͡Βίϯςφఀࢭ࡟আɻ !

    wίϯςφ໊ͷQSFpYͰ͸ͳ͘FUDE΍SFEJTʹରԠΛอ࣋ͯ͠΋ྑ͔͕ͬͨɺߏ੒ͷγϯϓ ϧ͞Λॏࢹɻ

  13. developmentฤ Ή͢ͼ wطଘͷϓϩμΫτΛ%PDLFSԽ͢Δͷ͸ਏ͍৔߹͕͋ͬͨɻ w؀ڥߏஙΛDIFGͰߦ͏લఏͷϓϩμΫτΛޙ͔Β%PDLFSԽ͢Δͷ͸େมʹײͨ͡ɻ ! wطଘ෦෼Λ%PDLFSԽ͢ΔΑΓɺ৽نͰ࡞Δ΋ͷΛ%PDLFSԽલఏͰߏங͢Δํ͕ྑ͍ɻ w1VMM3FRVFTUͰʮͦͷ৔Ͱ࣮ࡍʹ৮ΕΔ؀ڥ͕طʹಈ͍͍ͯΔʯͷ͸࠷ߴɻ

  14. Deployment with Docker

  15. Personalize API /JDPOJDP "QQMJDBUJPO4FSWFS )551SFRVFTU 8FC 4FSWFS $BDIF %BUBCBTF 3FWFSTF

    1SPYZ 1FSTPOBMJ[F"1* • ύʔιφϥΠζʹར༻͢ΔAPI (golang࣮૷) • DockerલఏͰ৽نʹߏஙɻ

  16. Containerize! • ύʔιφϥΠζAPI • ϩάసૹ&ू໿(fluentd) • CEPΤϯδϯ(Norikra) • ϩάอଘ (ES&InfluxDB)

    • ՄࢹԽ (Kibana&Grafana) • ϦόʔεϓϩΩγ 1FSTPOBMJ[F"1* /JDPOJDP "QQMJDBUJPO4FSWFS )551SFRVFTU $POUBJOFSJ[F 8FC 4FSWFS $BDIF %BUBCBTF MPHTUPSF .FUSJDT7JTVBMJ[FS $&1 -PH$PMMFDUPS 3FWFSTF 1SPYZ

  17. Dataflow DP 4FSWFS )551SFRVFTU $BDIF %BUBCBTF MPHTUPSF .FUSJDT7JTVBMJ[FS $&1 3FWFSTF

    1SPYZ -PBE #BMBODFS -PH"HHSFHBUPS MPHpMF %PDLFS)PTU %PDLFS)PTU %PDLFS)PTU %PDLFS)PTU "1* -PH $PMMFDUPS w ֤IPTU಺ͷϦόʔεϓϩΩγ OHJOY ܦ༝Ͱ"1*ʹϦΫΤετɻ w ϩάϑΝΠϧ͸ϗετଆϘϦϡʔϜΛϚ΢ϯτͯ͠ॻ͖ग़͠ɻ w qVFOUEίϯςφଆͰ΋ϩάσΟϨΫτϦΛϚ΢ϯτͯ͠ɺಡΈࠐΈɻ w ϩάू໿ίϯςφͰϩάΛूΊͯɺ$&1 /PSJLSB Ͱूܭͭͭ͠ʹอଘˠՄࢹԽ

  18. Docker Build Architecture MPDBM ()F +FOLJOT 3FHJTUSZ $PNNPO QVTITPVSDFT )PPL

    w %PDLFS*NBHFϏϧυ w ίϯςφͰܥΛ্ཱͪ͛ͯ݁߹ςετ w υΩϡϝϯτͷੜ੒ w %PDLFS3FHJTUSZʹΠϝʔδొ࿥ "1* qVFOUE /HJOY SFHJTUFS"1*DPOUBJOFS*NBHF VCVOUV CVJMEͷى఺ͱͳΔJNBHF͸ɺ1SJWBUF SFHJTUSZʹஔ͍͓͖ͯɺ%PDLFSIVC SFHJTUSZͷ౎౓ར༻͸͠ͳ͍ɻ

  19. Deploy Manager WebUI • WebUIσϓϩΠπʔϧ • DockerԽҎલ͔Β࢖͍ͬͯͨ಺੡πʔϧ • Capistrano task

    ࣮ߦ • Ϣʔβೝূ • σϓϩΠϩάͷϦΞϧλΠϜදࣔ&อଘ
 • DockerσϓϩΠ΋capistrano taskԽͯ͠ར༻
 σϓϩΠઌαʔόΛબ୒ͯ͠ɺϙνοͱ
 1click͚ͩͰແఀࢭσϓϩΠɻ • σϓϩΠͷrollbackλεΫ΋༻ҙɻ

  20. Docker Deployment Architecture %FQMPZ.BOBHFS 8FC6* 3FHJTUSZ ڞ௨ 3FHJTUSZ
 QSPEVDUJPOઃఆ "1*

    qVFOUE /HJOY "1*TFSWFSDPOpH 0QFSBUF QVMM qVFOUE 3FWFSTF1SPYZ "1* QVMM "1*TFSWFSDPOpH %PDLFS)PTU 0UIFS4FSWJDFT %FQMPZ $BQJTUSBOPUBTL )551SFRVFTU NPVOU • Capistrano taskͰɺίϯςφͷ
 ΠϝʔδΛ֤ϗετ͕pullͯ͠σϓϩΠɻ ! • ࣮ߦόΠφϦͷίϯςφΠϝʔδ͸։ൃऀ શһ͕pullՄೳɻ ! • production؀ڥͰ࢖͏configίϯςφ͸ɺ registry͝ͱ෼཭(ೝূ͕ҟͳΔ)ɻ

  21. Deployment ~ step.1 1.APIίϯςφΠϝʔδͱɺઃఆΠϝʔδ ΛɺDockerHostଆͰpull͢Δ %PDLFS)PTU 3FHJTUSZ ڞ௨ 3FHJTUSZ ઃఆ

    "1* qVFOUE /HJOY "1*W EPDLFSJNBHFT "1*TFSWFSDPOpH "1*TFSWFSDPOpH "1*TFSWFS DPOpH NPVOU NPVOU 3FWFSTF1SPYZ "1*W qVFOUEMBUFTU

  22. Deployment ~ step.1 1.APIίϯςφΠϝʔδͱɺઃఆΠϝʔδ ΛɺDockerHostଆͰpull͢Δ %PDLFS)PTU 3FHJTUSZ ڞ௨ 3FHJTUSZ ઃఆ

    "1* qVFOUE /HJOY EPDLFSQVMMBQJMBUFTU EPDLFSQVMMBQJ@DPOpHMBUFTU "1*W EPDLFSJNBHFT "1*W MBUFTU "1*TFSWFSDPOpH "1*TFSWFSDPOpH "1*TFSWFS DPOpH NPVOU NPVOU 3FWFSTF1SPYZ "1*W qVFOUEMBUFTU

  23. Deployment ~ step.2 1.৽͍͠imageͷίϯςφΛىಈ 2.API͕ਖ਼͘͠ϦΫΤετΛฦͤΔ·Ͱ଴ͭ
 ɹ(࣮ࡍʹϨεϙϯεΛ֬ೝ) %PDLFS)PTU "1*W qVFOUEMBUFTU DPOpH

    3FWFSTF1SPYZ

  24. Deployment ~ step.2 1.৽͍͠imageͷίϯςφΛىಈ 2.API͕ਖ਼͘͠ϦΫΤετΛฦͤΔ·Ͱ଴ͭ
 ɹ(࣮ࡍʹϨεϙϯεΛ֬ೝ) %PDLFS)PTU "1*W "1*W qVFOUEMBUFTU

    qVFOUEMBUFTU DPOpH DPOpH 3FWFSTF1SPYZ

  25. Deployment ~ step.2 1.৽͍͠imageͷίϯςφΛىಈ 2.API͕ਖ਼͘͠ϦΫΤετΛฦͤΔ·Ͱ଴ͭ
 ɹ(࣮ࡍʹϨεϙϯεΛ֬ೝ) %PDLFS)PTU "1*W "1*W qVFOUEMBUFTU

    qVFOUEMBUFTU DPOpH DPOpH IFBMUIDIFDL EVNNZSFRVFTU 3FWFSTF1SPYZ

  26. Deployment ~ step.3 1.৽͍͠IPΛnginxͷconfʹॻ͖ࠐΉɻ 2.NginxΛgraceful restartͯ͠ɺແఀࢭͰίϯςφ ͷ޲͚ઌΛมߋ͢Δɻ
 Reverse Proxy(nginx)ͷDockerίϯςφ಺Ͱ 1.$

    kill -USR2 `cat /var/run/nginx.pid` 2.$ kill -WINCH `cat /var/run/nginx.pid.oldbin` 3.$ kill -QUIT `cat /var/run/nginx.pid.oldbin`
 
 
 
 ※࣮ࡍʹ͸ɺgracefull restart෦෼͸
 γΣϧεΫϦϓτԽͯ͠ɺίϯςφ಺ʹಉࠝɻ %PDLFS)PTU "1*W "1*W qVFOUEMBUFTU qVFOUEMBUFTU 3FWFSTF1SPYZ DPOpH DPOpH OHJOYDPOG   OHJOY  QPSU

  27. Deployment ~ step.3 1.৽͍͠IPΛnginxͷconfʹॻ͖ࠐΉɻ 2.NginxΛgraceful restartͯ͠ɺແఀࢭͰίϯςφ ͷ޲͚ઌΛมߋ͢Δɻ
 Reverse Proxy(nginx)ͷDockerίϯςφ಺Ͱ 1.$

    kill -USR2 `cat /var/run/nginx.pid` 2.$ kill -WINCH `cat /var/run/nginx.pid.oldbin` 3.$ kill -QUIT `cat /var/run/nginx.pid.oldbin`
 
 
 
 ※࣮ࡍʹ͸ɺgracefull restart෦෼͸
 γΣϧεΫϦϓτԽͯ͠ɺίϯςφ಺ʹಉࠝɻ %PDLFS)PTU "1*W "1*W qVFOUEMBUFTU qVFOUEMBUFTU 3FWFSTF1SPYZ DPOpH DPOpH OHJOYDPOG MPDBUJPO\ QSPYZ@QBTTIUUQ ^   OHJOY  QPSU

  28. Deployment ~ step.3 1.৽͍͠IPΛnginxͷconfʹॻ͖ࠐΉɻ 2.NginxΛgraceful restartͯ͠ɺແఀࢭͰίϯςφ ͷ޲͚ઌΛมߋ͢Δɻ
 Reverse Proxy(nginx)ͷDockerίϯςφ಺Ͱ 1.$

    kill -USR2 `cat /var/run/nginx.pid` 2.$ kill -WINCH `cat /var/run/nginx.pid.oldbin` 3.$ kill -QUIT `cat /var/run/nginx.pid.oldbin`
 
 
 
 ※࣮ࡍʹ͸ɺgracefull restart෦෼͸
 γΣϧεΫϦϓτԽͯ͠ɺίϯςφ಺ʹಉࠝɻ %PDLFS)PTU "1*W "1*W qVFOUEMBUFTU qVFOUEMBUFTU 3FWFSTF1SPYZ DPOpH DPOpH OHJOYDPOG MPDBUJPO\ QSPYZ@QBTTIUUQ ^   MPDBUJPO\ QSPYZ@QBTTIUUQ ^ OHJOY  QPSU

  29. Deployment ~ step.3 1.৽͍͠IPΛnginxͷconfʹॻ͖ࠐΉɻ 2.NginxΛgraceful restartͯ͠ɺແఀࢭͰίϯςφ ͷ޲͚ઌΛมߋ͢Δɻ
 Reverse Proxy(nginx)ͷDockerίϯςφ಺Ͱ 1.$

    kill -USR2 `cat /var/run/nginx.pid` 2.$ kill -WINCH `cat /var/run/nginx.pid.oldbin` 3.$ kill -QUIT `cat /var/run/nginx.pid.oldbin`
 
 
 
 ※࣮ࡍʹ͸ɺgracefull restart෦෼͸
 γΣϧεΫϦϓτԽͯ͠ɺίϯςφ಺ʹಉࠝɻ %PDLFS)PTU "1*W "1*W qVFOUEMBUFTU qVFOUEMBUFTU 3FWFSTF1SPYZ DPOpH DPOpH OHJOYDPOG   OHJOY  QPSU

  30. Deployment ~ step.3 1.৽͍͠IPΛnginxͷconfʹॻ͖ࠐΉɻ 2.NginxΛgraceful restartͯ͠ɺແఀࢭͰίϯςφ ͷ޲͚ઌΛมߋ͢Δɻ
 Reverse Proxy(nginx)ͷDockerίϯςφ಺Ͱ 1.$

    kill -USR2 `cat /var/run/nginx.pid` 2.$ kill -WINCH `cat /var/run/nginx.pid.oldbin` 3.$ kill -QUIT `cat /var/run/nginx.pid.oldbin`
 
 
 
 ※࣮ࡍʹ͸ɺgracefull restart෦෼͸
 γΣϧεΫϦϓτԽͯ͠ɺίϯςφ಺ʹಉࠝɻ %PDLFS)PTU "1*W "1*W qVFOUEMBUFTU qVFOUEMBUFTU 3FWFSTF1SPYZ DPOpH DPOpH OHJOYDPOG   OHJOY OHJOY  QPSU

  31. Deployment ~ step.3 1.৽͍͠IPΛnginxͷconfʹॻ͖ࠐΉɻ 2.NginxΛgraceful restartͯ͠ɺແఀࢭͰίϯςφ ͷ޲͚ઌΛมߋ͢Δɻ
 Reverse Proxy(nginx)ͷDockerίϯςφ಺Ͱ 1.$

    kill -USR2 `cat /var/run/nginx.pid` 2.$ kill -WINCH `cat /var/run/nginx.pid.oldbin` 3.$ kill -QUIT `cat /var/run/nginx.pid.oldbin`
 
 
 
 ※࣮ࡍʹ͸ɺgracefull restart෦෼͸
 γΣϧεΫϦϓτԽͯ͠ɺίϯςφ಺ʹಉࠝɻ %PDLFS)PTU "1*W "1*W qVFOUEMBUFTU qVFOUEMBUFTU 3FWFSTF1SPYZ DPOpH DPOpH OHJOYDPOG   OHJOY  QPSU

  32. Deployment ~ step.4 1.ݹ͍ίϯςφͷఀࢭ&࡟আ 2.ݹ͍ίϯςφΠϝʔδͷ࡟আ
 
 ˞ߴ଎ʹrollbackग़དྷΔΑ͏ɺ࣮ࡍʹ͸
 ɹ5ੈ୅લͷΠϝʔδΛ࡟আ %PDLFS)PTU "1*W

    "1*W qVFOUEMBUFTU qVFOUEMBUFTU 3FWFSTF1SPYZ DPOpH DPOpH OHJOY "1*W EPDLFSJNBHFT "1*W MBUFTU "1*TFSWFSDPOpH

  33. Deployment ~ step.4 1.ݹ͍ίϯςφͷఀࢭ&࡟আ 2.ݹ͍ίϯςφΠϝʔδͷ࡟আ
 
 ˞ߴ଎ʹrollbackग़དྷΔΑ͏ɺ࣮ࡍʹ͸
 ɹ5ੈ୅લͷΠϝʔδΛ࡟আ %PDLFS)PTU "1*W

    qVFOUEMBUFTU 3FWFSTF1SPYZ DPOpH OHJOY "1*W EPDLFSJNBHFT "1*W MBUFTU "1*TFSWFSDPOpH

  34. Deployment ~ step.4 1.ݹ͍ίϯςφͷఀࢭ&࡟আ 2.ݹ͍ίϯςφΠϝʔδͷ࡟আ
 
 ˞ߴ଎ʹrollbackग़དྷΔΑ͏ɺ࣮ࡍʹ͸
 ɹ5ੈ୅લͷΠϝʔδΛ࡟আ %PDLFS)PTU "1*W

    qVFOUEMBUFTU 3FWFSTF1SPYZ DPOpH OHJOY EPDLFSJNBHFT "1*W MBUFTU "1*TFSWFSDPOpH

  35. deploymentฤ Ή͢ͼ wμ΢ϯλΠϜແ͠ͷσϓϩΠ͸Մೳ͕ͩɺݱঢ়ɺࣗલͰগ͠࡞Γ͜Ήඞཁ͕͋Δɻ wࣗલͷίϯςφ੾ସલϔϧενΣοΫɻ ! wϗετଆͷ؀ڥ͕ԚΕͳ͍ͷ͸ૉ੖Β͍͠ɻ ! w௕ظӡ༻͢ΔલఏͳΒΰϛΛย෇͚ΔػߏΛ࣋ͱ͏ɻ
 wLTΛ࢖͏ʹ͸ɺNBTUFSͷ৑௕Խ΍ߴՄ༻ੑͳFUDEΫϥελͷߏஙɾӡ༻౳ɺ
 ن໛ͷׂʹ߹Θͳ͔ͬͨͷͰʮϦιʔεͷந৅Խʯ·Ͱ͸౿Έࠐ·ͳͳ͔ͬͨɻ


    wαʔϏεԣஅͰར༻Մೳͳେن໛σϓϩΠઌαʔόࢿݯͱͯ͠ந৅Խ͢Δ৔߹ʹ͸ɺ
 LT౳͕ඞཁʹͳΔͱࢥ͏ɻن໛ͱ໨తʹԠͯ͡ΞʔΩςΫνϟઃܭ͠Α͏ɻ

  36. υϫϯΰ޿ࠂ 
 ͜ͷهࣄ͸υϫϯΰۈ຿࣌ؒதʹॻ͔Εͨɻ ! υϫϯΰ͸ຊ෺ͷ
 (C++|Elrang|ݕࡧ|Ϩίϝϯυ|σʔλ෼ੳ|σʔλ࿈ܞ|FPGA|Πϯϑϥ|WEBΞϓϦ)
 ΤϯδχΞΛืू͍ͯ͠·͢ɻ ࠾༻৘ใ | גࣜձࣾυϫϯΰ