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Dockerアプリケーションのポータビリティを考える #dockerjp
Naoya Ito
April 11, 2014
Technology
26
8.8k
Dockerアプリケーションのポータビリティを考える #dockerjp
Naoya Ito
April 11, 2014
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Transcript
%PDLFSΞϓϦέʔγϣϯͷ ϙʔλϏϦςΟΛߟ͑Δ /BPZB*UP ,"*;&/QMBUGPSN*OD 4FOJPS5FDIOPMPHZ"EWJTPS %PDLFS.FFUVQ5PLZP
%PDLFSΞϓϦέʔγϣϯ Λϙʔλϒϧʹ͢Δɻ
̎ͭͷจ຺ %PDLFSίϯςφ͕ԼΛநԽ͢Δ %JTQPTBCMFͳ੍ʹΑΓΞϓϦέʔ γϣϯʹ࠶ݱՄೳੑ͕ཁٻ͞ΕΔ
#VJME0ODF 3VO "OZXIFSF
%PDLFSίϯςφ͕ԼΛநԽ • #VJME0ODF 3VO"OZXIFSF h"p://www.slideshare.net/dotCloud/docker-‐intro-‐november
ྫBUMBTTJBOKJSB
$ docker run atlassian/jira ͜Ε͚ͩͰɺΠϝʔδ͕ ެ։ϨϙδτϦ͔Β QVMM͞ΕͯίϯςφͰ +*3"͕ىಈ͢Δ
#VJME0ODF 3VO"OZXIFSF • BUMBTTJBOKJSB%PDLFS͑͞ಈ͍ͯΕ ɺͲ͜Ͱಈ͘ – -JOVY#PYɺCPPUEPDLFSɺ%JHJUBM 0DFBOɺ(PPHMF$PNQVUF&OHJOF • ϩʔΧϧͰಈ͍ͯͨͷΛɺΫϥυ 8FCΞϓϦέʔγϣϯ
ͷΛ%PDLFSϨϙ δτϦͰߦ͏ͷ͕ී௨ʹ ͳΔ͕དྷΔ
5IF'BDUPS"QQ
͏ҰͭͷϙʔλϏϦςΟ • %PDLFSͱ͍͏ΑΓ*NNVUBCMF *OGSBTUSVDUVSF༝དྷͷ • ࠶ݱՄೳͳΞϓϦέʔγϣϯ
*NNVUBCMF*OGSBTUSVDUVSF • %JTQPTBCMF$PNQPOFOUT • ෆมͳɺঢ়ଶΛ࣋ͨͳ͍ɺഇغՄೳͳ
ΞϓϦͷσϓϩΠઌΛ ίϯςφʹ͢Δ͜ͱΛߟ͑Δ • )FSPLV5SBWJT$*తͳ • ίϯςφͳͷͰɺΞϓϦέʔγϣϯ͕ຖ ഇغ͞Εͯ͠·͏ • Ώ͑ʹɺΞϓϦέʔγϣϯʹ࠶ݱੑ͕ ٻΊΒΕΔ
݁ՌతʹɺΞϓϦ͕ϙʔ λϒϧʹͳΔ
)FSPLV )FSPLVHJUQVTI͢Δຖɺ৽͍͠ڥ ίϯςφ Λ࡞Γɺݹ͍ڥΛغͯΔ
ΞϓϦΛ࠶ݱՄೳʹ͢Δʹ • εςʔτϨεͭ4IBSFE/PUIJOH • ࣮ߦ֎෦ڥΛ໌֬ԽɾநԽɾႈԽ – #VOEMFS – 3BDL – 'PSFNBO ίϯςφ͕ཁٻ͢ΔΠϯλ ϑΣʔεʹΑͬͯɺΞϓϦ
έʔγϣϯʹྑ੍͍Λ՝ ͢͜ͱ͕Ͱ͖Δ
5IF5XFMFWF'BDUPS"QQ h"p://twelve-‐factor-‐ja.herokuapp.com/ (オリジナル: h"p://12factor.net/)
%PDLFSͰͲ͏͖͔͢ • 'BDUPS"QQతͳͷ͕ྑ͍Πϯλ ϑΣʔεͳͷΘ͔ͬͨ • ͡Ό͋ɺͦΜͳίϯςφΛ%PDLFSͰͲ ͏༻ҙ͖͔͢ – ࡞ͬͯΈͨ
OBPZBEPDLFSQBBTFYBNQMF • HJUIVCDPNOBPZBEPDLFSQBBT FYBNQMF • HJUQVTIΛܖػʹ%PDLFSίϯςφΛ ࡞ΓΞϓϦέʔγϣϯΛඋ͠ಈ͔͢ – CPPUEPDLFSɺHJUIPPLT QVMMSFRVFTUຖʹΞϓϦ έʔγϣϯΛ্ཱͪ͛ͯ
63-ΛׂΓͯΔɺΈ͍ͨ ͳ͜ͱΛࢹʹೖΕͯΔ
4JOBUSBΞϓϦέʔγϣϯ ΛHJUQVTI͢Δͱ %PDLFSίϯςφ͕ىಈ͠ɺ ͦͷ্Ͱಈ͘
࣌ؒ͋ͬͨΒσϞ
ͬͯΈͨ͜ͱ • લఏ3VCZ 4JOBUSBͳ8FCΞϓϦ • ࣮ߦڥ SVCZ΄͔ ͷϏϧυ ඞཁόʔδϣϯͷSVCZCVOEMFSͳͲΛ
༧ΊೖΕͨ%PDLFSΠϝʔδΛ࡞͓ͬͯ͘ ํࣜ )FSPLVͷCVJMEQBDLͰΦϯσϚϯυʹ Ϗϧυ͢Δํࣜ • %PLLVΈ͍ͨͳ σϞͬͨͷͷ΄͏
#VJMEQBDL • ΞϓϦέʔγϣϯͷ࣮ߦڥΛϏϧυ͢ ΔͨΊͷεΫϦϓτύοέʔδ – ΠϯλϑΣʔε͕ඪ४Խ͞ΕͯΔ • CJOEFUFDUŋŋŋରΞϓϦͷݴޠͳͲΛఆ • CJODPNQJMFŋŋŋ࣮ߦʹඞཁͳڥΛϏϧυ –
ྫSVCZͷϏϧυɺCVOEMFJOTUBMMFUD • CJOSFMFBTFŋŋŋΞϓϦέʔγϣϯ࣮ߦίϚϯυ ͷܾఆ – IFSPLVIFSPLVCVJMEQBDLSVCZ IFSPLVIFSPLV CVJMEQBDLOPEFKT NJZBHBXBIFSPLVCVJMEQBDL QFSMͦΕͧΕʹͭͷεΫϦϓτ͕ೖͬͯΔ
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)
ΞϓϦͷHJUDMPOFޙ • EPDLFSSVOͰΞϓϦέʔγϣϯίʔυ ʹରͯ͠CVJMEQBDLΛద༻ – CJOEFUFDUͰఆ͠USVF͕ฦͬͨΒɺͦ ͷCVJMEQBDLͷCJODPNQJMFͰϏϧυ – CJOSFMFBTFͰܾఆ͞Ε࣮ͨߦίϚϯυΛ FYFD
SVCZͷϏϧυͳͲΦϯ σϚϯυͰ
ͬͯΈͯࢥͬͨ͜ͱ
CVJMEQBDLΛ͏ͱŋŋŋ • ॊೈɻΞϓϦέʔγϣϯͷ࣮ߦڥΛޙ ͔ΒಈతʹܾఆͰ͖Δ – ΑͬͯɺݴޠͷछྨYόʔδϣϯ͝ͱʹڥ Λ࡞͓ͬͯ͘ŋŋŋͱ͔ඞཁͳ͍
ͰɺͪΐͬͱͯΑ • %PDLFSΠϝʔδ࡞ͬͯίϯςφىಈ͢ Δͷ؆୯͡ΌΜ – CVJMEQBDLํࣜॊೈ͚ͩͲɺͦͷॊೈੑ ཁΔ – SVCZ༻ΠϝʔδɺOPEFKT༻Λ࡞͓͍ͬͯͯɺ
ಈ͔͢ͷʹ߹ΘͤͯΠϝʔδΛબͯ͠ SVO͢Δํ͕ࣜ୯७ָͭͩͬͨ
Ωϡʔ˓ʔΫοΩϯάํࣜ • ʮ͜͜ͰSVCZ CVOEMFS͕ඞཁ ʹͳΓ·͕͢ŋŋŋ͋Β͔͡Ί࡞͓͖ͬͯ· ͨ͠ʯ %PDLFSͳΒ࡞Γஔ͖؆୯ɻ %PDLFSϨϙδτϦͰڞ༗ 0,
ΞΠσΞ ·ͩ • CVJMEQBDLతͳ%PDLFSJNBHFT – CVJMEQBDLͷEFUFDUͰڥΛఆ͠ – ͦͷڥʹదͨ͠อଘࡁΈίϯςφΛબ͠ – CVJMEQBDLͷSFMFBTFͷΑ͏ʹͦͷίϯς φʹܾΊΒΕͨૢ࡞Λ࣮ߦͤ͞Δ CVJMEQBDLͰϏϧυͨ͠
ίϯςφΛDPNNJUͯ͠ ࠶ར༻ɺͱ͔Ͱ͍͍͔
ͯͳΘ͚Ͱɺ·ͱΊ • %PDLFSΞϓϦέʔγϣϯͷϙʔλϏϦ ςΟΛߴΊΔ – ͭ#VJME0ODF 3VO"OZXIFSFͷ – ͏ͭ5IF'BDUPS"QQͳ • ޙऀͰɺίϯςφΛͲ͏༻ҙ͖͔͢ – Ωϡʔ˓ʔΫοΩϯάํࣜͰׂͱΑ͍
એ • ,"*;&/1MBUGPSN*ODΤϯδχΞื ूͯ͠·͢ • ΠϯϑϥࣗಈԽɺ*NNVUBCMFɺ%PDLFS ͱ͔͍͖͍ͬͯͨํɺ͓ͪͯ͠·͢