Dockerアプリケーションのポータビリティを考える #dockerjp

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%PDLFSΞϓϦέʔγϣϯͷ ϙʔλϏϦςΟΛߟ͑Δ /BPZB*UP ,"*;&/QMBUGPSN*OD 4FOJPS5FDIOPMPHZ"EWJTPS %PDLFS.FFUVQ5PLZP

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%PDLFS͸ΞϓϦέʔγϣϯ Λϙʔλϒϧʹ͢Δɻ

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̎ͭͷจ຺  %PDLFSίϯςφ͕Լ૚Λந৅Խ͢Δ  %JTQPTBCMFͳ੍໿ʹΑΓΞϓϦέʔ γϣϯʹ࠶ݱՄೳੑ͕ཁٻ͞ΕΔ

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#VJME0ODF 3VO "OZXIFSF

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%PDLFSίϯςφ͕Լ૚Λந৅Խ •  #VJME0ODF 3VO"OZXIFSF h"p://www.slideshare.net/dotCloud/docker-‐intro-‐november

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ྫBUMBTTJBOKJSB

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$ docker run atlassian/jira ͜Ε͚ͩͰɺΠϝʔδ͕ ެ։ϨϙδτϦ͔Β QVMM͞ΕͯίϯςφͰ +*3"͕ىಈ͢Δ

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#VJME0ODF 3VO"OZXIFSF •  BUMBTTJBOKJSB͸%PDLFS͑͞ಈ͍ͯΕ ͹ɺͲ͜Ͱ΋ಈ͘ – -JOVY#PYɺCPPUEPDLFSɺ%JHJUBM 0DFBOɺ(PPHMF$PNQVUF&OHJOF •  ϩʔΧϧͰಈ͍ͯͨ΋ͷΛɺΫϥ΢υ΁ 8FCΞϓϦέʔγϣϯ ͷ഑෍Λ%PDLFSϨϙ δτϦͰߦ͏ͷ͕ී௨ʹ ͳΔ೔͕དྷΔ

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5IF'BDUPS"QQ

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΋͏ҰͭͷϙʔλϏϦςΟ •  %PDLFSͱ͍͏ΑΓ*NNVUBCMF *OGSBTUSVDUVSF༝དྷͷ࿩ •  ࠶ݱՄೳͳΞϓϦέʔγϣϯ

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*NNVUBCMF*OGSBTUSVDUVSF •  %JTQPTBCMF$PNQPOFOUT •  ෆมͳɺঢ়ଶΛ࣋ͨͳ͍ɺഇغՄೳͳ

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ΞϓϦͷσϓϩΠઌΛ ίϯςφʹ͢Δ͜ͱΛߟ͑Δ •  )FSPLV΍5SBWJT$*తͳ •  ίϯςφͳͷͰɺΞϓϦέʔγϣϯ͕ຖ ౓ഇغ͞Εͯ͠·͏ •  Ώ͑ʹɺΞϓϦέʔγϣϯʹ͸࠶ݱੑ͕ ٻΊΒΕΔ ݁ՌతʹɺΞϓϦ͕ϙʔ λϒϧʹͳΔ

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)FSPLV )FSPLV͸HJUQVTI͢Δຖɺ৽͍͠؀ڥ ίϯςφ Λ࡞Γɺݹ͍؀ڥΛغͯΔ

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ΞϓϦΛ࠶ݱՄೳʹ͢Δʹ͸ •  εςʔτϨε׌ͭ4IBSFE/PUIJOH •  ࣮ߦ֎෦؀ڥΛ໌֬Խɾந৅Խɾႈ౳Խ – #VOEMFS – 3BDL – 'PSFNBO ίϯςφ͕ཁٻ͢ΔΠϯλ ϑΣʔεʹΑͬͯɺΞϓϦ έʔγϣϯʹྑ੍͍໿Λ՝ ͢͜ͱ͕Ͱ͖Δ

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5IF5XFMFWF'BDUPS"QQ h"p://twelve-‐factor-‐ja.herokuapp.com/ (オリジナル: h"p://12factor.net/)

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%PDLFSͰͲ͏͢΂͖͔ •  'BDUPS"QQతͳͷ͕ྑ͍Πϯλ ϑΣʔεͳͷ͸Θ͔ͬͨ •  ͡Ό͋ɺͦΜͳίϯςφΛ%PDLFSͰͲ ͏༻ҙ͢΂͖͔ – ࡞ͬͯΈͨ

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OBPZBEPDLFSQBBTFYBNQMF •  HJUIVCDPNOBPZBEPDLFSQBBT FYBNQMF •  HJUQVTIΛܖػʹ%PDLFSίϯςφΛ ࡞ΓΞϓϦέʔγϣϯΛ഑උ͠ಈ͔͢ – CPPUEPDLFSɺHJUIPPLT QVMMSFRVFTUຖʹΞϓϦ έʔγϣϯΛ্ཱͪ͛ͯ 63-ΛׂΓ౰ͯΔɺΈ͍ͨ ͳ͜ͱΛࢹ໺ʹೖΕͯΔ

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4JOBUSBΞϓϦέʔγϣϯ ΛHJUQVTI͢Δͱ %PDLFSίϯςφ͕ىಈ͠ɺ ͦͷ্Ͱಈ͘

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࣌ؒ͋ͬͨΒσϞ

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΍ͬͯΈͨ͜ͱ •  લఏ3VCZ4JOBUSBͳ8FCΞϓϦ •  ࣮ߦ؀ڥ SVCZ΄͔ ͷϏϧυ   ඞཁόʔδϣϯͷSVCZ΍CVOEMFSͳͲΛ ༧ΊೖΕͨ%PDLFSΠϝʔδΛ࡞͓ͬͯ͘ ํࣜ   )FSPLVͷCVJMEQBDLͰΦϯσϚϯυʹ Ϗϧυ͢Δํࣜ •  %PLLVΈ͍ͨͳ σϞͬͨͷ͸ͷ΄͏

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#VJMEQBDL •  ΞϓϦέʔγϣϯͷ࣮ߦ؀ڥΛϏϧυ͢ ΔͨΊͷεΫϦϓτύοέʔδ – ΠϯλϑΣʔε͕ඪ४Խ͞ΕͯΔ •  CJOEFUFDUŋŋŋର৅ΞϓϦͷݴޠͳͲΛ൑ఆ •  CJODPNQJMFŋŋŋ࣮ߦʹඞཁͳ؀ڥΛϏϧυ –  ྫSVCZͷϏϧυɺCVOEMFJOTUBMMFUD •  CJOSFMFBTFŋŋŋΞϓϦέʔγϣϯ࣮ߦίϚϯυ ͷܾఆ –  IFSPLVIFSPLVCVJMEQBDLSVCZ IFSPLVIFSPLV CVJMEQBDLOPEFKT NJZBHBXBIFSPLVCVJMEQBDL QFSMͦΕͧΕʹͭͷεΫϦϓτ͕ೖͬͯΔ

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1. アプリを git push 2. post-‐update hoook で docker run 3. コンテナ起動 4. アプリを git clone　(※cloneじゃなくpushにしたい)

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ΞϓϦͷHJUDMPOFޙ •  EPDLFSSVOͰΞϓϦέʔγϣϯίʔυ ʹରͯ͠CVJMEQBDLΛద༻ – CJOEFUFDUͰ൑ఆ͠USVF͕ฦͬͨΒɺͦ ͷCVJMEQBDLͷCJODPNQJMFͰϏϧυ – CJOSFMFBTFͰܾఆ͞Ε࣮ͨߦίϚϯυΛ FYFD

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SVCZͷϏϧυͳͲΦϯ σϚϯυͰ

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΍ͬͯΈͯࢥͬͨ͜ͱ

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CVJMEQBDLΛ࢖͏ͱŋŋŋ •  ॊೈɻΞϓϦέʔγϣϯͷ࣮ߦ؀ڥΛޙ ͔ΒಈతʹܾఆͰ͖Δ – ΑͬͯɺݴޠͷछྨYόʔδϣϯ͝ͱʹ؀ڥ Λ࡞͓ͬͯ͘ŋŋŋͱ͔ඞཁͳ͍

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Ͱ΋ɺͪΐͬͱ଴ͯΑ •  %PDLFS͸Πϝʔδ࡞ͬͯίϯςφىಈ͢ Δͷ௒؆୯͡ΌΜ – CVJMEQBDLํࣜ͸ॊೈ͚ͩͲɺͦͷॊೈੑ ཁΔ – SVCZ༻ΠϝʔδɺOPEFKT༻Λ࡞͓͍ͬͯͯɺ ಈ͔͢΋ͷʹ߹ΘͤͯΠϝʔδΛબ୒ͯ͠ SVO͢Δํ͕ࣜ୯७׌ָͭͩͬͨ

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Ωϡʔ˓ʔ෼ΫοΩϯάํࣜ •  ʮ͜͜ͰSVCZCVOEMFS͕ඞཁ ʹͳΓ·͕͢ŋŋŋ͋Β͔͡Ί࡞͓͖ͬͯ· ͨ͠ʯ %PDLFSͳΒ࡞Γஔ͖؆୯ɻ %PDLFSϨϙδτϦͰڞ༗ ΋0,

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ΞΠσΞ ·ͩ΋΍΋΍ •  CVJMEQBDLతͳ%PDLFSJNBHFT – CVJMEQBDLͷEFUFDUͰ؀ڥΛ൑ఆ͠ – ͦͷ؀ڥʹదͨ͠อଘࡁΈίϯςφΛબ୒͠ – CVJMEQBDLͷSFMFBTFͷΑ͏ʹͦͷίϯς φʹܾΊΒΕͨૢ࡞Λ࣮ߦͤ͞Δ CVJMEQBDLͰϏϧυͨ͠ ίϯςφΛDPNNJUͯ͠ ࠶ར༻ɺͱ͔Ͱ΋͍͍͔

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ͯͳΘ͚Ͱɺ·ͱΊ •  %PDLFS͸ΞϓϦέʔγϣϯͷϙʔλϏϦ ςΟΛߴΊΔ – ͭ͸#VJME0ODF 3VO"OZXIFSFͷ࿩ – ΋͏ͭ͸5IF'BDUPS"QQͳ࿩ •  ޙऀͰ͸ɺίϯςφΛͲ͏༻ҙ͢΂͖͔ – Ωϡʔ˓ʔ෼ΫοΩϯάํࣜͰׂͱΑ͍

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એ఻ •  ,"*;&/1MBUGPSN*OD͸ΤϯδχΞื ूͯ͠·͢ •  ΠϯϑϥࣗಈԽɺ*NNVUBCMFɺ%PDLFS ͱ͔΍͍͖͍ͬͯͨํɺ͓଴ͪͯ͠·͢