Docker/Kubernetes社内勉強会#1 公開資料 / Study basic of Docker and Kubernetes

by Kohei Ota

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ࣾ಺๭ϓϩδΣΫτ ษڧձ %PDLFS,VCFSOFUFT͜ͱ͸͡Ί ࣾ಺๭ϓϩδΣΫτ ษڧձ גࣜձࣾ;0;0ςΫϊϩδʔζ ։ൃ෦ .-0QTνʔϜ ଠా ߤฏ $PQZSJHIU;0;05FDIOPMPHJFT *OD

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;0;05FDIOPMPHJFT *OD ˔%PDLFSͷ͓͞Β͍ ˔%PDLFSίϯςφͱ%PDLFSΠϝʔδ ˔%PDLFSͰղܾͰ͖Δ͜ͱɾղܾͰ͖ͳ͍͜ͱ ˔ίϯςφɾΦʔέετϨʔγϣϯͷجૅ ˔,VCFSOFUFTͷΞʔΩςΫνϟ֓ཁ ΞδΣϯμ 2

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;0;05FDIOPMPHJFT *OD ˔%PDLFSͷ͓͞Β͍ ˔%PDLFSίϯςφͱ%PDLFSΠϝʔδ ˔%PDLFSͰղܾͰ͖Δ͜ͱɾղܾͰ͖ͳ͍͜ͱ ˔ίϯςφɾΦʔέετϨʔγϣϯͷجૅ ˔,VCFSOFUFTͷΞʔΩςΫνϟ֓ཁ ΞδΣϯμ 3

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;0;05FDIOPMPHJFT *OD ˔EPU$MPVEࣾ %PDLFSࣾͷલ਎ ͕ࣗࣾͷ1BB4 1MBUGPSN BTB4FSWJDF Λ࡞ΔͨΊʹ։ൃͨ͠ίϯςφܕԾ૝Խ ͷΞϓϦέʔγϣϯ࣮ߦج൫ ˔طଘͷ7.ܕԾ૝Խʹൺ΂ɺىಈ͕ඇৗʹߴ଎ %PDLFSͷ͓͞Β͍ 4

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;0;05FDIOPMPHJFT *OD ˔ίϯςφܕԾ૝Խʁ ˓ίϯςφͱ͸ ˙ΞϓϦέʔγϣϯͷ࣮ߦʹඞཁͳ؀ڥΛ Ұͭͷύοέʔδʹ·ͱΊͨԾ૝తͳ୯Ґ ˔04ΑΓ΋ԼͷϨΠϠΛʮ-JOVYΧʔωϧʯΛ࢖ͬͯ ࠶ݱ͢ΔԾ૝Խٕज़ %PDLFSͷ͓͞Β͍ 5 (Go/Java/Ruby...)

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;0;05FDIOPMPHJFT *OD -JOVY,FSOFM %PDLFS&OHJOF JT ! 6

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;0;05FDIOPMPHJFT *OD ˔%PDLFSͷ͓͞Β͍ ˔%PDLFSίϯςφͱ%PDLFSΠϝʔδ ˔%PDLFSͰղܾͰ͖Δ͜ͱɾղܾͰ͖ͳ͍͜ͱ ˔ίϯςφΦʔέετϨʔγϣϯͷجૅ ˔,VCFSOFUFTͷΞʔΩςΫνϟ֓ཁ ΞδΣϯμ 7

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;0;05FDIOPMPHJFT *OD ˔%PDLFS্Ͱʮ͜͏͍͏ৼΔ෣͍Λ͢Δʯͱ͍͏ఆٛ ˔%PDLFSGJMFΛॻ͘ˠϏϧυ͢Δ %PDLFSΠϝʔδ ˓࣮ଶ͸UBSܗࣜͰ·ͱΊͨΞʔΧΠϒϑΝΠϧ ˔͜ͷ࣌఺Ͱ͸·࣮ͩࡍʹಈ࡞͍ͯ͠ΔΘ͚Ͱ͸ͳ͍ %PDLFSΠϝʔδͱ͸ 8 Dockerfile docker build Docker

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;0;05FDIOPMPHJFT *OD ˔%PDLFSϗετͷ্Ͱ࣮ࡍʹಈ࡞͢Δϓϩηε ˔ίϯςφΛ্ཱͪ͛ΔͨΊʹ͸ɺϕʔεͱͳΔ %PDLFSΠϝʔδ͕ඞཁ %PDLFSίϯςφͱ͸ 9 Docker Docker Docker Docker docker run

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;0;05FDIOPMPHJFT *OD ˔ݴ͍׵͑ΔͱɺԼهΛ࣮ߦͨ͠΋ͷ͕ίϯςφʹͳΔ ˓%PDLFSGJMF͔Β࡞੒ͨ͠खݩͷΠϝʔδ ˓࡞੒ࡁΈͷ֎෦ΠϝʔδΛϨδετϦ͔Βऔಘ %PDLFSίϯςφͱ͸ 10 Docker Docker Docker Docker docker run

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;0;05FDIOPMPHJFT *OD ˔%PDLFSGJMF͔ΒΠϝʔδΛϏϧυ ˔Ϗϧυͨ͠ΠϝʔδΛϨδετϦʹ1VTI ˔ಈ͔͍ͨ͠؀ڥͰΠϝʔδΛ1VMM͠ɺίϯςφΛىಈ ˔͜ͷྲྀΕΛ·ͱΊͯʮ#VJME 4IBSF 3VOʯͱݺͿ #VJME 4IBSF 3VO 11 Dockerfile docker build Docker Docker docker run

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;0;05FDIOPMPHJFT *OD %PDLFSΠϝʔδ͕ͦͷ·· ʮΰʔϧσϯΠϝʔδʯͱͳΔͨΊɺ ϥΠϒϥϦ΍ݴޠϥϯλΠϜͷ όʔδϣϯࠩҟ͕ੜ·Εʹ͍͘ 12

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;0;05FDIOPMPHJFT *OD ˔%PDLFSͷ͓͞Β͍ ˔%PDLFSίϯςφͱ%PDLFSΠϝʔδ ˔%PDLFSͰղܾͰ͖Δ͜ͱɾղܾͰ͖ͳ͍͜ͱ ˔ίϯςφΦʔέετϨʔγϣϯͷجૅ ˔,VCFSOFUFTͷΞʔΩςΫνϟ֓ཁ ΞδΣϯμ 13

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;0;05FDIOPMPHJFT *OD ˔%PDLFSͰղܾͰ͖Δ͜ͱ ˓શ؀ڥͷڞ௨Խ ˙ϚϧνΫϥ΢υԽʹ͓͚Δύοέʔδϯάච಄ީิ ˙Ϋϥ΢υɾΦϯϓϨ্ͱ։ൃ؀ڥͱͷࠩҟΛzݮΒ͢z ˓ߴ଎ͳΞϓϦέʔγϣϯ഑৴ɾσϓϩΠ ˓$*ͳͲʹΑΔࣗಈԽਪਐ ˙ςετ΋ಉҰ؀ڥͰ࣮ߦՄ %PDLFS͸ۜͷ஄ؙͰ͸ͳ͍ 14

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;0;05FDIOPMPHJFT *OD ˔%PDLFS͕ۤखͳ͜ͱ ˓ϞϊϦγοΫͳΞϓϦέʔγϣϯͷ؅ཧ ˙%#ͳͲͷεςʔτͷ؅ཧͱ͔͸ۤख ˠ5IF5XFMWF'BDUPS"QQ ˠ$MPVE/BUJWF5SBJM.BQ %PDLFS͸ۜͷ஄ؙͰ͸ͳ͍ 15

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;0;05FDIOPMPHJFT *OD ˔%PDLFSͰղܾͰ͖ͳ͍͜ͱ ˓ΞϓϦέʔγϣϯͷੈ୅؅ཧ ˓ࣗಈεέʔϦϯά ˓ॊೈͳϦιʔε؅ཧ ˓ϩΪϯάɺ؂ࢹ %PDLFS͸ۜͷ஄ؙͰ͸ͳ͍ 16

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;0;05FDIOPMPHJFT *OD %PDLFSΛຊ൪؀ڥͰ ಈ͔͢ʹ͸͍͔ͭ͘ͷ՝୊͕͋Δ 17

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;0;05FDIOPMPHJFT *OD ˔%PDLFSͷ͓͞Β͍ ˔%PDLFSίϯςφͱ%PDLFSΠϝʔδ ˔%PDLFSͰղܾͰ͖Δ͜ͱɾղܾͰ͖ͳ͍͜ͱ ˔ίϯςφΦʔέετϨʔγϣϯͷجૅ ˔,VCFSOFUFTͷΞʔΩςΫνϟ֓ཁ ΞδΣϯμ 18

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;0;05FDIOPMPHJFT *OD ˔ຊ൪؀ڥͰ͸ෳ਺ͷίϯςφΛಈ͔͢͜ͱ͕Ұൠత ˓Մ༻ੑ΍଱ো֐ੑΛ্͛ΔͨΊ ˓ࣗಈεέʔϦϯάɺϩʔυόϥϯγϯάɺࣗݾ෮چ౳ʑ ˔֤ίϯςφ͸ಠཱ͓ͯ͠Γɺ͓ޓ͍Λೝࣝ͠ͳ͍ͨΊ ԿΒ͔ͷ؅ཧϨΠϠ͕ඞཁʹͳΔ ˠΦʔέετϨʔγϣϯπʔϧΛೖΕΔ ΦʔέετϨʔγϣϯʁʁ 19

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;0;05FDIOPMPHJFT *OD ˔%PDLFSίϯςφ͸ΞϓϦέʔγϣϯ։ൃʹ͓͍ͯ ैདྷ՝୊ͱͳ͍͍͔ͬͯͨͭ͘ͷ໰୊Λղফͯ͘͠ΕΔ ˔%PDLFS୯ମͰ͸ຊ൪ӡ༻ʹඞཁͳ؅ཧ༻ͷػೳ͕ෆ଍ ͍ͯ͠ΔͨΊɺಋೖʹ೉͕͋Δ ˔ͦΕΒΛղܾ͢Δʹ͸ɺίϯςφΦʔέετϨʔγϣ ϯ͕ඞཁ ͜͜·Ͱͷ·ͱΊ 20

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;0;05FDIOPMPHJFT *OD ˔%PDLFSͷ͓͞Β͍ ˔%PDLFSίϯςφͱ%PDLFSΠϝʔδ ˔%PDLFSͰղܾͰ͖Δ͜ͱɾղܾͰ͖ͳ͍͜ͱ ˔ίϯςφΦʔέετϨʔγϣϯͷجૅ ˔,VCFSOFUFTͷΞʔΩςΫνϟ֓ཁ ΞδΣϯμ 21

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;0;05FDIOPMPHJFT *OD ˔,VCFSOFUFT͸ίϯςφΦʔέετϨʔγϣϯπʔϧͷ ʮσϑΝΫτελϯμʔυʯ ,VCFSOFUFTʁ 22

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;0;05FDIOPMPHJFT *OD 23

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;0;05FDIOPMPHJFT *OD ˔ίϯςφ 1PE Λத৺ͱͨ͠෼ࢄγεςϜ ˓ϫʔΫϩʔυ͕ৗʹʮ͋Δ΂͖ঢ়ଶʯΛอͭΑ͏ಈ͘ ,VCFSOFUFTͷ֓ཁ 24 Ref: https://kubernetes.io/docs/tutorials/kubernetes-basics/explore/

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;0;05FDIOPMPHJFT *OD :".-ʹΑΔߏ੒؅ཧ 25

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;0;05FDIOPMPHJFT *OD ˔ίϯςφͷઃఆ ˓ϕʔεΠϝʔδɺόʔδϣϯɺϙʔτ౳ ˔ཁٻ͢Δ$16΍ϝϞϦͳͲͷϦιʔε ˔ϔϧενΣοΫ ˔؀ڥม਺ ˔ࣗಈεέʔϧͷ਺΍εέʔϧΠϯΞ΢τͷ৚݅ :".-ʹΑΔએݴతͳઃఆ 26

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;0;05FDIOPMPHJFT *OD ˔ίϯςφͷઃఆ ˓ϕʔεΠϝʔδɺόʔδϣϯɺϙʔτ౳ ˔ཁٻ͢Δ$16΍ϝϞϦͳͲͷϦιʔε ˔ϔϧενΣοΫ ˔؀ڥม਺ ˔ࣗಈεέʔϧͷ਺΍εέʔϧΠϯΞ΢τͷ৚݅ :".-ʹΑΔએݴతͳઃఆ 27

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;0;05FDIOPMPHJFT *OD 28

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;0;05FDIOPMPHJFT *OD ,VCFSOFUFTͷϦιʔε جຊฤ 29

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;0;05FDIOPMPHJFT *OD ˔Ϧιʔεͱ͸ ˓,VCFSOFUFTʹ͓͚Δجຊతͳίϯϙʔωϯτͷ୯Ґ ˔,VCFSOFUFT͕ѻ͏શͯͷந৅֓೦͸Ϧιʔε ˓1PE ˓/PEF ˓$POGJH.BQFUD ,VCFSOFUFTͱϦιʔε 30

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;0;05FDIOPMPHJFT *OD ˔,VCFSOFUFTϦιʔε͸:".-Ͱهड़͞ΕɺఆٛͰ͖Δ ˔͜͜Ͱ͸ΞϓϦέʔγϣϯ։ൃऀʹ஌͓͍ͬͯͯ΋Β͍ ͍ͨ΋ͷΛத৺ʹ঺հ͠·͢ Ϧιʔεͱ:".- 31

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;0;05FDIOPMPHJFT *OD ˔ίϯςφΛಈ͔ͨ͢Ίͷ࠷খ͔ͭجຊ୯Ґ ˓ίϯςφͷجຊઃఆʢΠϝʔδछผʣ ˓Ϧιʔε੍ݶ ˓ϘϦϡʔϜ ͳͲͷఆٛΛઃఆՄೳ 1PEϦιʔε 32

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;0;05FDIOPMPHJFT *OD 33 Image credit: https://cstoku.dev/

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;0;05FDIOPMPHJFT *OD ˔1PEΛෳ੡͢ΔϦιʔε ˔͜Εࣗ਎͕ίϯςφΛಈ͔͢ͷͰ͸ͳ͘ɺ1PEΛࢦఆ͠ ͨ਺͚ͩ࡞੒ͯͦ͠ΕΛ؅ཧ͢Δ1PE.BOBHFSͷ໾ׂ 3FQMJDB4FUϦιʔε 34

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;0;05FDIOPMPHJFT *OD 35 Image credit: https://cstoku.dev/

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;0;05FDIOPMPHJFT *OD ˔࣮ӡ༻ͰίϯςφΛಈ͔͢ͳΒ͜Ε ˔3FQMJDB4FUͷػೳʹՃ͑ɺίϯςφͷΞοϓσʔτઓུ ΍όʔδϣϯཤྺͳͲΛ؅ཧ͢ΔػೳΛ࣋ͭ %FQMPZNFOUϦιʔε 36

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;0;05FDIOPMPHJFT *OD 37 % ! ) "' $(&+ *# Image credit: https://cstoku.dev/

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;0;05FDIOPMPHJFT *OD ˔$POGJH.BQ͸,FZ7BMVFͳจࣈྻΛѻ͏Ϧιʔε ˔ྫ͑͹ҎԼͷΑ͏ͳ৘ใΛ1PEʹ஫ೖ͍ͨ͠৔߹ʹ࢖͏ ˓/HJOY΍3BJMTͳͲͷ$POGJHϑΝΠϧ ˙Θ͟Θ͟ϘϦϡʔϜϚ΢ϯτ͢Δ·Ͱ΋ͳ͍΋ͷ ˓؀ڥม਺ $POGJH.BQϦιʔε 38

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;0;05FDIOPMPHJFT *OD 39 4FSWJDFɺ*OHSFTTͳͲͷϦιʔε΋ॏཁͰ͕͢ɺ ࠓճ͸ίϯςφͷಈ࡞·ΘΓʹϑΥʔΧε͍ͯ͠ ΔͨΊઆ໌ΛׂѪ͍ͯ͠·͢

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;0;05FDIOPMPHJFT *OD :".-ߏ੒؅ཧʹΑΔ੹೚෼ք఺ͷมԽ 40 VM SSH Git push VM

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;0;05FDIOPMPHJFT *OD 41 VM SSH Git push VM :".-ߏ੒؅ཧʹΑΔ੹೚෼ք఺ͷมԽ

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;0;05FDIOPMPHJFT *OD ։ൃεΩʔϚͷมԽͱ %FW0QT 42 ˔։ൃͱΠϯϑϥͷ֞ࠜͷϥΠϯ͕มΘΔ ˓ΞϓϦଆͰߏ੒ͷมߋΛՃ͑ΒΕΔൣғ͕૿͑Δ ˔%FW0QTͷઢҾΛܾΊΔͷ͸ϓϩμΫτ΍αʔϏεʹ ؔΘΔΤϯδχΞࣗ਎

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;0;05FDIOPMPHJFT *OD 43 8JOEPXTͷαϙʔτ͸ʁ

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;0;05FDIOPMPHJFT *OD 44

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;0;05FDIOPMPHJFT *OD 45 ,VCFSOFUFT͔Β 1SPEVDUJPOMFWFMͷ 8JOEPXTαϙʔτ͕։࢝͞Ε·ͨ͠ʂ ࠓͷ࠷৽͸

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;0;05FDIOPMPHJFT *OD ˞8JOEPXTίϯςφ͸࢖ͬͨ͜ͱ͕ ͳ͍ͷͰΑ͘Θ͔Γ·ͤΜ 46

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;0;05FDIOPMPHJFT *OD ˔%PDLFSίϯςφ͸ΞϓϦέʔγϣϯ։ൃʹ͓͍ͯ ैདྷ՝୊ͱͳ͍͍͔ͬͯͨͭ͘ͷ໰୊Λղফͯ͘͠ΕΔ ˔%PDLFS୯ମͰ͸ຊ൪ӡ༻ʹඞཁͳ؅ཧ༻ͷػೳ͕ෆ଍ ͍ͯ͠ΔͨΊɺίϯςφΦʔέετϨʔγϣϯ͕ඞཁ ˓,VCFSOFUFT͸ͦͷ؀ڥΛఏڙͯ͘͠ΕΔͭͷखஈ ·ͱΊ 47