技術的負債で信頼性が限界だったWordPress運用をShifterで完全復活させた話

by adachi.ryo

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ٕज़తෛ࠴Ͱ৴པੑ͕ݶքͩͬͨ 8PSE1SFTTӡ༻Λ4IJGUFSͰ׬શ෮׆ͤͨ͞࿩ ΏΔ43&ษڧձ43&৐Γӽ͑ମݧ·ͭΓʙฉ͍ͯ͘ΕԶͷ෢༐఻ʙ ҆ୡྋ !BEBDIJO

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͋͐͡Μͩ ● ࣗݾ঺հ ● 'JOEZͷ8PSE1SFTTࣄ৘ ● 8PSE1SFTTͷ੬ऑੑͱ܏޲ʹ͍ͭͯ ೥ ● 4IJGUFSʹҠߦ͢Δഎܠ ● ։ൃ؀ڥͷߏங ● 4IJGUFSҠߦޙͷτϥϒϧγϡʔςΟϯά ● ςʔϚσϓϩΠ ● ݱࡏͷӡ༻ମ੍ͱ"*Խ ● ·ͱΊ

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4 ࣗݾ঺հ ҆ୡྋ !BEBDIJO ɾϑΝΠϯσΟ ג $50ࣨϓϥοτϑΥʔϜ։ൃνʔϜ4FOJPS43& ɾ1PSUGPMJPBEBDIJONF#MPHCMPHBEBDIJONFXJLJBEBDIJONF ɾ5FDI#VMM δϡχΞΤϯδχΞίϛϡχςΟ 'PVOEFS ɹɾ43&ΤϯδχΞͷϝϯλϦϯάྦྷܭ໊ˢ ɹɾ4MBDLࢀՃऀ਺͸໊Ҏ্ˢ ɹɾίϛϡχςΟϚωʔδϟʔ-5ΠϕϯτӡӦ.FNCFST։ൃ ɾ5&$)803-%Ͱ43&ؔ࿈ͷಈըΛൃ৴த

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'JOEZͷ8PSE1SFTTࣄ৘ 7 $PSQPSBUF 'JOEZCMPH 'JOEZ&OUFSQSJTF 'JOEZ'SFFMBODF &OUFSQSJTF

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౰࣌ͷঢ়گ ೥ ● "NB[PO-JHIUTBJM্ͷ୯ҰαʔόʔͰ ෳ਺αΠτΛӡ༻ ● ը૾ϑΝΠϧɾσʔλϕʔεΛ͢΂ͯ ಉҰΠϯελϯε্Ͱ؅ཧ ● ίʔϙϨʔταΠτҎ֎͸໌֬ͳӡ༻ ୲౰ऀෆࡏɺϝϯςφϯεঢ়گ͕ෆ໌ྎ ● αʔόʔͷϒϥοΫϘοΫεԽ ● ௕೥ɺ৴པੑʹݶքΛײ͍ͯͨ͡ 8

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ίʔϙϨʔταΠτӡ༻՝୊ ● ৘ใγεςϜνʔϜ͕ຖिͷΑ͏ʹ ηΩϡϦςΟΞοϓσʔτΛରԠ ● ςʔϚͷσϓϩΠ͸׬શखಈɺࣗಈԽ ͞Ε͍ͯͳ͍ ● ӡ༻ෛ୲͕େ͖͍ঢ়ଶ͕ܧଓ ● $.΋΍Δͱͷ͜ͱͰΠϯϑϥڧԽ΋ ߟྀ͢Δඞཁ͕͋ͬͨ ● ଐਓԽ͍ͯͨ͠8PSE1SFTT؀ڥΛ ू໿ɾ౷੍͢ΔऔΓ૊ΈΛ։࢝ 9

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8PSE1SFTTͷ੬ऑੑͱ܏޲ʹ͍ͭͯ ೥ ● 8PSEGFODFʹΑΔ೥ηΩϡϦςΟϨϙʔτ ● ੬ऑੑͷ݅਺͸૿Ճ܏޲ʢલ೥ൺʴʣ ● ओͳݪҼ͸ϓϥάΠϯɾςʔϚ ● ࠷΋ଟ͍੬ऑੑͷछྨ͸944 ΫϩεαΠτεΫϦϓςΟϯά ● ೝূෆཁͰ߈ܸͰ͖Δ੬ऑੑ͕ଟ͍ ໿ׂ ● ڞ௨ϥΠϒϥϦʹґଘͨ͠αϓϥΠνΣʔϯ੬ऑੑ΋ਂࠁ ● ์ஔ͞ΕͨϓϥάΠϯ΍खಈӡ༻͕ϦεΫͷԹচʹ 11 ࢀߟIUUQTXXXXPSEGFODFDPNCMPHBOOVBMXPSEQSFTTTFDVSJUZSFQPSUCZXPSEGFODF

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4IJGUFSʹҠߦ͢Δഎܠ ● ౰࣌͸&$4'BSHBUFͰߟ͍͕͑ͯͨɺ όʔδϣϯΞοϓ΍σϓϩΠͳͲͷӡ༻޻਺͕͔͔Δ ͨΊɺ43&ͷෛ୲ΛԼ͔͛ͨͬͨ ● 43&νʔϜҎ֎Ͱ΋ӡ༻Ͱ͖ΔΑ͏ʹ͔ͨͬͨ͠ ● σδλϧΩϡʔϒ͕ࣾఏڙ͍ͯ͠Δ8PSE1SFTTΛ ੩తʹม׵ɾϗεςΟϯάͰ͖ΔϚωʔδυαʔϏε ● ίετ΋ൺֱతʹ҆ՁͰಋೖ͠΍͍͢ ʙ݄ ʙ೥ؒ ׂҾ 13

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4IJGUFSͷϝϦοτ ● 1)1࣮ߦ؀ڥΛ࣋ͨͳ͍ͨΊɺ8PSE1SFTT ຊମ΍ϓϥάΠϯͷ੬ऑੑϦεΫ͕ܹݮ ● Πϯϑϥ΍8PSE1SFTTͷόʔδϣϯΞοϓ ؅ཧ͕ෆཁͰɺࣗಈԽͯ͘͠ΕΔ ● ੩తϑΝΠϧΛ$%/ܦ༝Ͱߴ଎഑৴Ͱ͖Δ ͨΊɺϢʔβʔମݧͷ޲্ ● ࣗಈόοΫΞοϓɾ؆୯ϩʔϧόοΫ ؅ཧը໘͔Β೚ҙͷλΠϛϯάͰ෮ݩՄೳ 14

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։ൃ؀ڥͷߏங ● ίʔϙϨʔταΠτҎ֎ͷ։ൃ؀ڥ͕ະ੔උ ● %PDLFSΛར༻ͯ͠θϩ͔Βߏங͠௚͠ɺ ࠶ݱੑͷ͋Δ؀ڥΛ࣮ݱ ● ϦϙδτϦߏ੒ ● 8PSE1SFTTຊମ͸XPSEQSFTTDPSF ϦϙδτϦͰҰݩ؅ཧ ● ֤αʔϏεͷςʔϚ͸ݸผϦϙδτϦͰ؅ཧ ● ୯ҰϦϙδτϦू໿͸ආ͚ɺ༰ྔංେԽΛճආ 16

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։ൃ؀ڥͷߏங DPNQPTFZNM ● 4IJGUFS͕1)1ରԠͷͨΊɺಉҰόʔδϣϯͰߏ੒ ● /HJOYίϯςφ ● "QQίϯςφ ● .Z42-ίϯςφ ● ґଘύοέʔδͷόʔδϣϯࠩҟ͕͋Δͱɺ ੩తԽޙʹ૝ఆ֎ͷෆ۩߹͕ൃੜ͢ΔϦεΫ͕͋Δ ● 4IJGUFSʹ΋%PDLFS։ൃ؀ڥ͸͋Δ͕ɺ ಠࣗա͗ͯϝϯςφϯεੑ͕ѱ͔ͬͨ ● IUUQTHJUIVCDPNEJHJUBMDVCFTIJGUFSTUBUJDMPDBM 17

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։ൃ؀ڥͷߏங +VTUGJMFԽ ● ։ൃ؀ڥͷηοτΞοϓΛ+VTUGJMFͰࣗಈԽ ● IPTUTొ࿥ ● NLDFSUʹΑΔࣗݾॺ໊44-ূ໌ॻͷൃߦ ● 4͔Βͷ%#μϯϓऔಘ ● ϦϙδτϦͷDMPOF ● XQDPOGJHQIQͷίϐʔ ● %PDLFS$PNQPTFͷىಈɾఀࢭ ● %#ͷϦετΞ ● KVTUBMMίϚϯυͰૉૣ͘։ൃ؀ڥΛߏஙՄೳʹ ● Ҏલ͸खॱ͕ෳࡶͰ͕͔͔࣌ؒͬͨߏங࡞ۀΛ؆ུԽ ● ࠓޙ͸։ൃ؀ڥࣗମͷόʔδϣϯΞοϓΛ(JU)VC"DUJPOTͰࣗಈԽ ༧ఆ 18

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4IJGUFSҠߦͱτϥϒϧγϡʔςΟϯά ● Ҡߦํ๏"MMJO0OF81.JHSBUJPOϓϥάΠϯ ● ެࣜυΩϡϝϯτͰ΋ਪ঑ ● 8PSE1SFTTαΠτΛؙ͝ͱ؆୯ʹΤΫεϙʔτɺ ΠϯϙʔτՄೳ ● ࣮ࡍͷҠߦ࡞ۀ͸εϜʔζʹ׬͕ྃͨ͠ɾɾɾ ● ͍͔ͭ͘૝ఆ֎ͷෆ۩߹͕ൃੜ ● ࢀߟ ● IUUQTKBHFUTIJGUFSJPTIJGUFSTVQQPSU EPDVNFOUTXQNJHSBUJPONJHSBUJOHUP TIJGUFS 20

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ಠࣗςʔϚͷϖʔδωʔγϣϯ͕ਖ਼͘͠ಈ࡞͠ͳ͍ ● 4IJGUFS͕੩తαΠτΛੜ੒͢Δࡍɺ 8PSE1SFTT3&45"1*͔Β63-Ұཡ +40/ Λऔಘ ● χϡʔεϖʔδͷϖʔδωʔγϣϯ͕σϑΥϧτઃఆ ͷ··ͩͱݕग़͞Εͣର৅֎ʹͳΔ ● ରԠࡦ ● 4IJGUFS͕ఏڙ͢Δ 4IJGUFS63-4"QQFOE63-UP"MMΛར༻ ● ϖʔδωʔγϣϯ63-Λ໌ࣔతʹ੩తԽର৅΁௥Ճ 21

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χϡʔεҰཡͷը૾͕දࣔ͞Εͳ͍ ● ॴʑɺը૾͕දࣔ͞Εͳ͍ࣄ৅͕ൃੜ ● Α͘ݟΔͱ೔ຊޠϑΝΠϧ໊ͷը૾͕දࣔ͞Ε͍ͯͳ͍ ● "MMJO0OF81.JHSBUJPO ● ೔ຊޠϑΝΠϧ໊ͷը૾͚ࣦͩഊ͢ΔόάΛ֬ೝ ● ରԠ ● ϑΝΠϧ໊ΛखಈͰϦωʔϜ͠ɺ࠶ΞοϓϩʔυͰ ղܾ 22

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αϒσΟϨΫτϦͰγΣΞϘλϯ͕4IJGUFSͷԾυϝΠϯʹͳͬͯ͠·͏ ● CMPHͳͲαϒσΟϨΫτϦͰެ։͍ͨ͠ ● طʹ$MPVE'SPOUͰΧελϜυϝΠϯ͕ઃఆ͞Ε͍ͯΔ৔߹ɺ4IJGUFSଆͷ$%/ʹಉ͡ ΧελϜυϝΠϯΛઃఆͰ͖ͳ͍ ● ରԠํ๏ ● TIJGUFSDMJͷOPTIJGUFSDEOΦϓγϣϯΛ࢖༻͠ɺ4IJGUFSͷ$%/഑৴ΛແޮԽ ● ࣗલͷ$MPVE'SPOUΛܦ༝ͯ͠αϒσΟϨΫτϦ഑Լʹެ։ ● $MPVE'SPOUͷΦϦδϯυϝΠϯʹ4IJGUFSఏڙͷ$MPVE'SPOU63-Λઃఆ ● ΩϟογϡϙϦγʔΛແޮԽ͠ɺ4IJGUFSੜ੒ͷ੩తαΠτΛͦͷ··഑৴ ● ޮՌ ● ΧελϜυϝΠϯ഑ԼͰαϒσΟϨΫτϦެ։͕Մೳʹ ● γΣΞϘλϯ΍0(1ͷϦϯΫઌ͔Β4IJGUFSͷԾυϝΠϯ͕ͳ͘ͳͬͨ 23

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αϒσΟϨΫτϦͰγΣΞϘλϯ͕4IJGUFSͷԾυϝΠϯʹͳͬͯ͠·͏ 24 IUUQTXJLJBEBDIJONFBSDIJWFT

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ςʔϚσϓϩΠ ● 4IJGUFS(JUIVC1MVHJO5IFNF*OTUBMMFE ● ؅ཧํ๏ ● ౰ॳ͸ෳ਺ςʔϚΛϞϊϨϙͰ؅ཧ༧ఆͩͬ ͕ͨɺ ● 4IJGUFSͷ࢓্༷ɺςʔϚʹϓϩδΣΫτ ୯ҰϦϙδτϦ ʹมߋ ● ࣗಈԽରԠ ● (JU)VC"DUJPOTΛ׆༻͠ɺϦϦʔεॲཧΛ ࣗಈԽ ● खಈ࡞ۀΛݮΒ͠ɺӡ༻ޮ཰Λվળ ● IUUQTXXXEJHJUBMDVCFKQTIJGUFS 26 ɾςʔϚΛ git tagͰόʔδϣϯ෇͚ ɾgit push ͰλάΛ൓өͱstyle.cssͷόʔδϣϯΛॻ͖׵͑ ɾςʔϚҰࣜΛ .zip ʹѹॖ͠ɺGitHub Releases ʹΞοϓϩʔυ ɾShifter͕֘౰ϦϦʔεͷ.zipΛऔಘ͠ɺςʔϚΛ࠷৽Խ

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ςʔϚσϓϩΠ XPSLGMPXT 27

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ݱࡏͷӡ༻ମ੍ ● 4IJGUFSΞΧ΢ϯτ؅ཧ ● ৘ใγεςϜνʔϜ͕୲౰ ● ςʔϚͷमਖ਼ɾٕज़ରԠ ● ΤϯδχΞʗ43&ϝϯόʔ͕୲౰ ● هࣄެ։ɾίϯςϯπߋ৽ ● ޿ใ)3νʔϜɺϚʔέςΟϯάνʔϜ͕୲౰ ● ֤νʔϜͷ໾ׂΛ໌֬ʹ෼୲͠ɺӡ༻ϑϩʔΛ੔ཧ 29

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ݱࡏͷӡ༻ମ੍ సૹྔͷ੍ݶʹ͍ͭͯ ● 4IJGUFS͸ϓϥϯ͝ͱͷసૹྔͷ੍ݶ͕͋Δ ● 5JFS݄ؒ(#·Ͱ ● 5JFS݄ؒ(#·Ͱ ● 5JFS݄ؒ5#·Ͱ ● (#खલʹͳΔ͜ͱ͕ଟ͔ͬͨ ● ϝσΟΞ$%/Λ༗ޮʹ͢Δ͜ͱͰసૹྔ͕େ෯ʹΧοτ ● ٯʹϝσΟΞ$%/Λແޮʹ͢Δͱը૾͕શͯ࡟আ͞ΕΔ 30

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ݱࡏͷӡ༻ମ੍ సૹྔͷ੍ݶʹ͍ͭͯ 31

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"*ͰίʔϙϨʔταΠτͷमਖ਼ΛࣗಈԽ ● ͔͠͠ɺࢥͬͨҎ্ʹ43&ϝϯόʔ΁ͷ໰͍߹Θ͕ͤଟ͍ ● %FWJOΛར༻ͯ͠จݴमਖ਼ͳͲΛ!LPV[ZVO+B͕࣮૷ ● ؆୯ͳमਖ਼͸"*ͰࣗಈԽ͢Δ͜ͱ͕Ͱ͖ͨ ● 43&νʔϜ͸ґཔ಺༰ͷ֬ೝʹ͔͔Δίϛϡχέʔγϣϯ ίετ͕ܰݮ ● ϨϏϡʔͷΈͰରԠͰ͖ΔͷͰ޻਺Λ࡟ݮͰ͖ͨ 32

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·ͱΊ ● ηΩϡϦςΟ޲্ ● ੩తϑΝΠϧԽʹΑΓ1)1੬ऑੑϦεΫΛഉআ ● )5.-$44ͷΈߏ੒ͱͳΓɺηΩϡϦςΟ͕޲্ ● ϓϥάΠϯͷόʔδϣϯΞοϓ΋ࣗಈԽ ● ύϑΥʔϚϯεվળ ● $%/ඪ४౥ࡌͰߴ଎഑৴Λ࣮ݱ 34

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·ͱΊ ● ӡ༻໘ͷվળ ● ඇΤϯδχΞϝϯόʔ΋ӡ༻Մೳͳ؀ڥʹ ● όοΫΞοϓͷ෮ݩ͕؆୯Ͱɺ؅ཧෛ୲Λܰݮ ● ΞΧ΢ϯτ؅ཧ ● Ұͭͷ4IJGUFSΞΧ΢ϯτͰෳ਺αΠτΛҰݩ؅ཧ ● αΠτ͝ͱʹϢʔβʔΛൃߦ͢Δඞཁ͕ͳ͍ ● ؂ࠪͰͷϢʔβʔ୨Է͕͠༰қʹ 35

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·ͱΊ ● 4IJGUFS͸Ϋη͸͋Δ͕ɺ8PSE1SFTTͷ৴པੑ޲্ͱҰݩ؅ཧΛ࣮ݱ ● Ҡߦޙͷಈ࡞֬ೝʹख͕͔͔ؒͬͨ ● ࢼߦࡨޡ͕ͨ͠ɺٕज़αϙʔτ͸Ϩε͕ૣͯ͘ඇৗʹॿ͔ͬͨ ● σϝϦοτ ● هࣄߋ৽ͷͨͼʹ4IJGUFSଆͰ੩తԽσϓϩΠ͕ඞཁ ● ൓ө·Ͱʹ͕͔͔࣌ؒͬͯ͠·͏ 36

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·ͱΊ 37 ಋೖࣄྫͰ঺հ͍͖ͯͨͩ͠·ͨ͠ IUUQTKBHFUTIJGUFSJPTIPXDBTFBSDIJWF

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