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モノリシックRailsアプリケーションを モジュラモノリスへ移行している noteの事例
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shshimamo
October 22, 2022
Programming
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モノリシックRailsアプリケーションを モジュラモノリスへ移行している noteの事例
shshimamo
October 22, 2022
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Transcript
note inc. ϞϊϦγοΫRailsΞϓϦέʔγϣϯΛ ϞδϡϥϞϊϦεҠߦ͍ͯ͠Δ noteͷࣄྫ 1 Kaigi on Rails 2022
note גࣜձࣾɹౢຊ ༸
ౢຊ༸ ʢ͠·ͱͻΖʣ note inc. ɾ!TITIJNBNP ɾετΞΧ ˠΫϦϓϥ
ˠOPUF ɾOPUFͰɺܾࡁ୲ɾγεςϜׂͳͲ
note inc. ࠓͷ ɾQBDLXFSLʹ͍ͭͯ ɾOPUFͷಋೖࣄྫ
4 packwerk ʹ͍ͭͯ
note inc. QBDLXFSLͱ ɾ4IPQJGZ͕։ൃ ɾ3BJMTʹύοέʔδʢϑΝΠϧάϧʔϓʣΛ࡞Δ͜ͱ͕Ͱ͖ΔΑ͏ʹͳΔ ɾେ͖ͳίʔυϕʔεΛখ͘͞ݟͤͯ։ൃޮߴΊΔ͜ͱ͕͜ͷHFNͷత Rails App ύοέʔδ
ύοέʔδ
note inc. ύοέʔδػೳతͳڥք ɾػೳ͝ͱʹBQQ MJCͳͲΛͭ͘ΔΠϝʔδ ɾઃఆϑΝΠϧʢQBDLBHFZNMʣΛஔͨ͠σΟϨΫ τϦ͕ύοέʔδʹͳΔ Rails App
ϑΝΠφϯε ύοέʔδ ηΩϡϦςΟ ύοέʔδ package.yml package.yml package.yml
note inc. ύοέʔδڥքͷͨΊͷͭͷڧ੍ࣄ߲ ɾύοέʔδؒͷґଘؔ ɾΞΫηείϯτϩʔϧʢެ։ඇެ։ʣ σΟϨΫτϦΛ͚͚ͨͩͰӨڹൣғΛݶఆ͢Δ͜ͱ͕Ͱ͖ͳ͍ɻ packwerk 2ͭͷࣄฑΛ੩తղੳͰڧ੍
͢Δ͜ͱͰཧతͳڥքઢΛͭ͘Δɻ
note inc. ڧ੍ࣄ߲ύοέʔδؒͷґଘؔ ɾFOGPSDF@EFQFOEFODJFTΛUSVFʹ͢Δͱɺผύοέʔδͷࢀর͕ҧ ͱΈͳ͞ΕΔ ɾผύοέʔδΛࢀর͍ͨ͠߹ґଘؔΛ໌ه͢Δඞཁ͕͋Δ Rails App ύοέʔδ
package.yml ύοέʔδ ❌
note inc. ྫϑΝΠφϯεˠηΩϡϦςΟͷҧ packages/finance/app/models/payment.rb packages/security/app/models/check_content.rbɹ͕͋Δͱ͢Δɻ ผύοέʔδͰ͋ΔηΩϡϦςΟύοέʔδΛࢀর͍ͯ͠ΔͨΊҧͱͳΔɻ ͜ͷઃఆΛ͏͜ͱͰύοέʔδͷӨڹൣғΛݶఆ͢Δ͜ͱ͕Ͱ͖Δɻ Rails App
ϑΝΠφϯε ηΩϡϦςΟ ❌
note inc. ྫηΩϡϦςΟˠϑΝΠφϯεͷґଘΛՃ ηΩϡϦςΟύοέʔδԣஅతʹࢹ͢Δػ ೳͳͷͰଞύοέʔδͷґଘΛڐՄ͢Δɻ ͔͠͠ɺϑΝΠφϯεύοέʔδͷͯ͢ͷ ΫϥεΛར༻Ͱ͖Δͷ·͘͠ͳ͍ɻ Rails App
ηΩϡϦςΟ ϑΝΠφϯε ґଘ
note inc. ڧ੍ࣄ߲2: ΞΫηείϯτϩʔϧʢެ։/ඇެ։ʣ 11 ɾFOGPSDF@QSJWBDZΛUSVFʹ͢ΔͱBQQQVCMJDҎ֎ͷͯ͢ͷΫϥε͕ ඇެ։ͱͳΔʢެ։σΟϨΫτϦมߋՄೳɻΫϥεࢦఆͷॻ͖ํ͋Δɻʣ Rails App ύοέʔδ
ύοέʔδ app/public ެ։ ඇެ։ ⭕ ❌
note inc. ྫ: ϑΝΠφϯεͷҰ෦ͷΫϥε͚ͩެ։͢Δ 12 ɾϑΝΠφϯεύοέʔδͷFOGPSDF@QSJWBDZΛUSVFʹ͢Δ ɾBQQQVCMJDʹެ։ΫϥεΛ࡞ Rails App ηΩϡϦςΟ
ύοέʔδ ϑΝΠφϯε ύοέʔδ app/public ެ։ Ϋϥε package.yml
note inc. packwerk ͷίϚϯυ 13 ᶃQBDLXFSLWBMJEBUF ઃఆϑΝΠϧͷਖ਼͠͞ͳͲΛνΣοΫ ᶄQBDLXFSLDIFDL ґଘؔɺΞΫηείϯτϩʔϧͷνΣοΫ ᶅQBDLXFSLVQEBUFEFQSFDBUJPOT
ҧϦετͷࣗಈੜɻSVCPDPQ@UPEPZNMͷΑ͏ͳࢦఠର֎ͷϦετɻ
note inc. ᶃύοέʔδσΟϨΫτϦ࡞ˍϑΝ ΠϧҠಈ ᶄύοέʔδͷґଘؔΛՃ ᶅެ։ΫϥεΛ࡞ ᶆҧϦετΛݮΒ͍ͯ͘͠ ྫ: note Ͱͷӡ༻
14 WBMJEBUFίϚϯυ DIFDLίϚϯυ Λ$*Ͱ࣮ߦ VQEBUF EFQSFDBUJPOTί ϚϯυΛखಈ࣮ߦ ҧϦετ૿Ճ ҧϦετݮগ
note inc. ҧϦετ 15 ηΩϡϦςΟύοέʔδͷ $IFDL$POUFOUΫϥεʹରͯ͠ ґଘؔͱΞΫηείϯτϩʔϧͷҧ͕ൃੜɻ ҧ͕ൃੜ͍ͯ͠ΔϑΝΠϧϑΝΠφϯεύοέʔδͷϑΝΠϧɻ ɾSVCPDPQ@UPEPZNMͷΑ͏ͳͷ ɾϦετࢦఠͷର֎ͱͳΔɻҧϦετΛʹ͢Δ͜ͱ͕࠷ऴతͳඪ
note inc. ҙ 16 ɾ;FJUXFSL͕લఏͱͳ͍ͬͯΔ ɾ;FJUXFSL͕ແޮͰQBDLXFSLΛ͏͜ͱͰ͖Δ͕ɺ;FJUXFSL ͷنʹ͢Δఆҧݕ͞Εͳ͍ ɾఆϕʔεͷ੩తղੳͰ͋Δ ɾҾͰผύοέʔδͷΦϒδΣΫτΛड͚औ͍ͬͯͨͱͯ͠ҧݕ ͞Εͳ͍
17 note ͷಋೖࣄྫ
note inc. packwerk ಋೖͷ͖͔͚ͬ 18 ɾେنԽʹ͏։ൃޮԼΛղফ͢ΔͨΊʹߴڽूɾૄ݁߹Λҙࣝͨ͠ߏ ʹม͍͑ͯ͘ඞཁ͕͋ͬͨ ɾํ๏Λࡧ͍ͯ͠ΔதͰ̍ͷॻ੶ʹग़ձ͏ ɾ 4UFQIBO)BHFNBOO
ஶ (3"%6"-.0%6-"3*;"5*0/'0336#:"/%3"*-4 ɾஈ֊తͳυϝΠϯׂɺΓ͕͠༰қɺͱ͍͏ಛ͕υϝΠϯׂͷ࠷ॳͷε ςοϓͱͯ͠ద͍ͯ͠Δͱஅ͠ಋೖΛܾఆ
note inc. ݱࡏͷ note ͷσΟϨΫτϦߏ 19 QBDLBHFTԼʹ ͭͷύοέʔδ ֤ύοέʔδʹ BQQҎ֎ͯ͢Ҡಈ
note inc. ύοέʔδԽͷखॱ 20 ᶃύοέʔδσΟϨΫτϦ࡞ ᶄઃఆϑΝΠϧ࡞ ᶅDPO fi HBQQMJDBUJPOSCʹϩʔυύεՃ ᶆϑΝΠϧΛҠಈ
ᶇҧϦετߋ৽ ᶈҧϦετͷࠩΛ֬ೝ͠ߋʹҠಈ͢ΔϑΝΠϧ͕͋Δ͔νΣοΫ ᶉQBDLXFSLͷ੩తݕ͕ࠪ௨Δ͜ͱΛ֬ೝ ᶊҧϦετΛݮΒ͍ͯ͘͠ ᶋQBDLBHFTҠಈޙɺͬ͘͠Γ͜ͳ͍߹ݩʹ͢͜ͱߟ͑Δ $ mkdir packages/finance $ touch packages/finance/packages.yml $ git mv app/models/payment.rb packages/finance/app/models $ bundle exec packwerk update-deprecations $ bundle exec packwerk check
note inc. packwerk ಋೖ࣌ʹՃͨ͠ઃఆ 21 ᶃBVUPMPBE@QBUIʹQBDLBHFTΛՃ ᶄ3BLF fi MFʹQBDLBHFTͷϩʔυΛՃ ᶅ"QQMJDBUJPO$POUSPMMFSʹQBDLBHFTͷ7JFXΛಡΉࠐΉઃఆΛՃ
ᶆ$JSDMF$*ͷςετରʹQBDLBHFTΛՃ ᶇGBDUPSZ@CPUͷύεʹQBDLBHFTΛՃ جຊతʹ֤πʔϧͷύεʹ৽نσΟϨΫτϦ( packages/ ) ΛՃ͢Δ͚ͩͰok
note inc. ᶃ autoload_path ʹ packages/ ΛՃ 22
note inc. ᶄ Rakefile ʹ packages/ ͷϩʔυΛՃ 23
note inc. ᶅ ApplicationController ʹ packages/ ͷ View ΛಡΈࠐΉઃఆΛՃ 24
note inc. ᶆ CircleCI ͷςετରʹ packages/ ΛՃ 25
note inc. ᶇ factory_bot ͷύεʹ packages/ ΛՃ 26
note inc. ύοέʔδԽͷϧʔϧ 27 ɾQBDLBHFT3&"%.&NEύοέʔδԽͷϧʔϧ ύοέʔδԽʹڵຯΛͬͨνʔϜ͕ੵۃతʹಈ͚ΔΑ͏ʹߟ͑ํखॱΛඋ ɾQBDLBHFT\ύοέʔδ໊^3&"%.&NE֤ύοέʔδͷઆ໌ ύοέʔδͷׂ͍ํ
note inc. packages/README.md ͷྫ ϞδϡʔϧԽͷࢦ • ׂલͷେ͖͍ϞϊϦεΛίΞͱݺͿ • \3BJMTSPPU^QBDLBHFTσΟϨΫτϦԼʹϞδϡʔϧΛஔ͢Δ •
ϞδϡʔϧؒͷґଘؔQBDLXFSLHFNΛ༻͍ͯ%4-ͰϧʔϧΛهड़͠ɺ$*Ͱҧͷ༗ແΛݕࠪ QBDLXFSLDIFDL ͢Δ • Ϟδϡʔϧͷத3BJMT&OHJOFͰߏஙͯ͠ྑ͍ • ϞδϡʔϧͷڥքൃݟͰҎԼΛߟྀ͢Δ ◦ ଞ͔Βಠཱͨ͠ॲཧ͔ʁ ґଘ͕গͳ͍͔ ◦ νʔϜΛඥ͚ͮΔࣄ͕Ͱ͖Δ͔ʁ ◦ σʔλϕʔεςʔϒϧଞͱಠཱ͍ͯ͠Δ͔ʁ • ཧతʹɺϞδϡʔϧؒͷґଘશ͘ແ͍͔ɺܾΊΒΕͨํ๏ QVCMJDBQJQVCTVC ܦ༝ͷΈͰߦΘΕΔ͖ɻ͔͠͠ɺ ॳظͷҠߦஈ֊Ͱ͍͠ ◦ ίΞˠϞδϡʔϧɺϞδϡʔϧˠίΞͷ॥ࢀর͕ൃੜͯ͠͠·͏ ◦ ίΞˠϞδϡʔϧͷґଘҰൠతʹ༰ೝͯ͠ྑ͍ ◦ ॥ࢀরΛݮΒ͔͢ɺܾΊΒΕͨํ๏ͷΈͰͷΓͱΓʹ͢Δঢ়ଶΛࢦ͢ ◦ ॥ࢀর͕Ͳ͏ͯ͠ݮΒͤͳ͍߹ɺίΞʹͨ͠ํ͕·͔ͬͨ͠Մೳੑ͋Δ • ॥ࢀরͷҰཡQBDLXFSLHFNͰϦετԽ͠HJUDPNNJU͢Δʢޙड़ʣ 28
note inc. packages/README.md ͷྫ public apiʹ͍ͭͯ • packwerkཧͷύοέʔδɺଞͷύοέʔδ͔Βར༻͞ΕΔࣄΛલఏʹͨ͠public apiΛઃஔͰ͖Δ ◦
σϑΥϧτͰ packages/hoge/app/public/* ҎԼʹஔ͞ΕͨαʔϏεΫϥε͕public apiͱͳΔ • public api ύοέʔδʹॴଐ͢Δ໊લۭؒͷԼʹ Public ͱ͍͏ࢠͷnamespaceΛΓɺͦͷԼʹαʔϏε ΫϥεΛஔ͘ܗͰ࣮͢Δ • ্ه͔ΒɺAPIͷrbϑΝΠϧ packages/{{pkg_name}}/app/public/{{pkg_name}}/public/ Լʹஔ͘͜ͱʹͳΔ 29
note inc. ֤ύοέʔδͷ3&"%.&NEͷྫ 30
31 packwerk ͷϝϦοτ
note inc. ϝϦοτ: ஈ֊తʹׂΛਐΊΔ͜ͱ͕Ͱ͖Δ 32 ɾϚΠΫϩαʔϏεͷΑ͏ʹಈ͘ঢ়ଶͰΓग़͢ඞཁͳ͘ɺஈ֊తʹϑΝΠ ϧΛҠಈ͢ΕΑ͍ ɾ௨ৗ։ൃΛ͠ͳ͕Βগͣͭ͠ύοέʔδԽΛਐΊΒΕΔɻίϯϑϦΫτආ ͚͍͢
note inc. ϝϦοτ: ؆୯ʹΓ͕͠Ͱ͖Δ 33 ɾ࠷ॳͷ࡞ۀ୯७ͳϑΝΠϧҠಈͳͷͰ؆୯ʹΓ͠Ͱ͖Δ ɾύοέʔδԽͷཻɺύοέʔδʹؚΊΔཁૉͳͲɺࢼߦࡨޡ͠ͳ͕Βਐ ΊΔ͜ͱ͕Ͱ͖Δ
note inc. ϝϦοτ: ϦϙδτϦͷߏཁૉɺґଘ͕ؔѲ͘͢͠ͳΔ 34 ɾڊେͳϦϙδτϦ͕ͲͷΑ͏ͳߏཁૉ͔ΒΓɺͦΕΒ͕Ͳ͏ґଘ͠ ͍ͯΔ͔͕Ѳ͘͢͠ͳͬͨ ɾίʔυͷमਖ਼ൣғͱӨڹൣғ͕֬ೝ͘͢͠ͳͬͨ ɾ৽͍͠ϝϯόʔͷೝෛՙ͕ܰݮ
note inc. ϝϦοτ: ϦϑΝΫλϦϯάͷଅਐޮՌ 35 ɾҧϦετ͔Βύοέʔδؒͷґଘͷ߹͍͕͋ΔఔѲͰ͖Δ ɾଞΫϥεʹҠಈͨ͠΄͏͕ྑ͍ϝιουɺΛׂͨ͠ํ͕͍͍Ϋϥε͕ݟ ͔ͭͬͨΓ͢Δ ɾ֤ύοέʔδԼ୲νʔϜʹࡋྔΛ࣋ͨͤͨ͜ͱͰɺίʔσΟϯάϧʔϧ ͳͲͷҙࢥܾఆ͕εϜʔζʹͳͬͨ
note inc. σϝϦοτ 36 ɾҰൠతͳ3BJMTͷσΟϨΫτϦߏͰͳ͘ͳΔͷͰࣾͰͷपΛ͔ͬ͠ Γߦ͏ඞཁ͕͋Δ
37 ࠓޙͷ՝
note inc. ՝: ·ͩશମͷ2ׂఔ͔͠ύοέʔδԽͰ͖͍ͯͳ͍ 38 ɾਐΊ͢͞ɺࢼߦࡨޡͷ͋͢͠͞ΔͷͷɺυϝΠϯڥքͷݕূɺඥ͚ ΔνʔϜͷௐɺͳͲϚΠΫϩαʔϏεͱಉ͡Α͏ʹ͕͔͔࣌ؒΔ ɾύοέʔδԽ͕͍ྃͯ͠Δͷ͍ͭͯɺҧϦετ͕͍ͬͯΔঢ়ଶɻ· ͩํΛ͍ٞͯ͠Δ෦͋Δʢެ։*'ͷฦΓΛ+40/ʹ͢ΔͳͲʣ
note inc. ՝: ࣅͨΑ͏ͳׂͷϑΝΠϧ͕ෳଘࡏ͍ͯ͠Δ 39 ɾͱͱ͕͋ͬͨύοέʔδԽʹΑͬͯݦࡏԽ ɾྫ͑4͔ΒϑΝΠϧΛऔಘ͢ΔॲཧͳͲɺࣅͨΑ͏ͳϢʔςΟϦςΟΫ ϥε͕ෳͷύοέʔδʹଘࡏ͍ͯ͠Δ ɾݱࡏύοέʔδΛ·͍ͨͩڞ௨ԽաʹٻΊͳ͍ํͰਐΊ͍ͯΔ͕ɺ ॏෳϑΝΠϧ͕૿͖͑ͯͨΒํస͕ඞཁ͔͠Εͳ͍
40 ͦͷଞ
note inc. ֤υϝΠϯʹݻ༗ͷnamespaceΛׂΓͯΔ 41 ɾదͳOBNFTQBDFʹDMBTTΛҠಈͤͯ͞ߏԽ͓ͯ͘͠ࣄॏཁ ɾSVCZBUTDBMFTUJNQBDLͷߏ͕ࢀߟʹͳΔ ଞύοέʔδΛҙࣝ͠ͳ͍͍ͯ͘Α͏ʹ υϝΠϯ໊ͷωʔϜεϖʔεΛΔΑ͏ ʹ͍ͯ͠Δɻ ݱঢ়1030ʹͷΈద༻
note inc. ެ։IFͷΓ 42 ɾ"DUJWF3FDPSE"DUJWF3FDPSE3FMBUJPOͷΦϒδΣΫτΛฦ͢ͱ ͖উखͰ͖ͯ͠·͏ͷͰɺকདྷతʹ͢ΔՄೳੑ͕ߴ͍υϝΠϯʹؔͯ͠ +40/1SPUPDPM#V ff FSTͰฦ͢͜ͱΛݕ౼தɻ ɾͨͩ͠"3ͷརศੑɺՄಡੑΛࣦͬͯ͠·͏ͨΊద༻͢Δύοέʔδݫબ
ͨ͠ํ͕͍͍͔͠Εͳ͍ Rails App ύοέʔδ ύοέʔδ app/public +40/
note inc. ৫ʹ͍ͭͯ 43 ɾϚΠΫϩαʔϏε΄ͲͰͳ͍ʹ͠ΖɺϞδϡϥϞϊϦεԽʹ৫ͷڠྗ ͱڧ͍͕࢟ඞཁɻʢ͔ͭQBDLXFSLͷΑ͏ͳ͍উखͷྑ͍੩తݕࠪπ ʔϧͷॿ͚ॏཁʣ ɾղମΛਪ͠ਐΊΔΤϯδχΞͷڧ͍ҙࢤͱ࣮ߦྗʢྗɺ$50ςοΫϦ ʔυͷ߸ྩͳͲʣ͕֬อͰ͖ͳ͍ঢ়ଶͳΒɺͦͷஈ֊Ͱղମʹ౿Έࠐ·ͳ ͍ํ͕ྑ͍͔͠Εͳ͍
44 ·ͱΊ
note inc. ·ͱΊ 45 ɾυϝΠϯׂΛਐΊΔʹ͋ͨͬͯQBDLXFSLͷಛ͕OPUFʹదͯ͠ ͍ͨ ɾࠓͷͱ͜ΖOPUFͰଟ͘ͷϝϦοτΛײ͓ͯ͡ΓɺσϝϦοτ΄ͱΜ Ͳײ͍ͯ͡ͳ͍ ɾQBDLXFSLΛಋೖͨ͜͠ͱͰಋೖతͰ͋ͬͨߴڽूɾૄ݁߹ͳγεςϜͷ ࣮ݱগͣͭ͠Ͱ͋Δ͕ண࣮ʹલʹਐΊΒΕ͍ͯΔ
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