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©2020 Wantedly, Inc. )551ΫϥΠΞϯτΛ࡞Ζ͏ͱֶͯ͠Ϳɺ ࢖͍΍͍͢ΠϯλϑΣʔεz Go Conference ’20 in Autumn SENDAI Oct 10, 2020 - @izumin5210

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©2020 Wantedly, Inc. @izumin5210 Backend Chapter Lead, Profile Domain Wantedly, Inc. ‣ #BDLFOEͷ5FDI-FBEతͳ͜ͱΛ͍ͯ͠·͢ ‣ ੜ࢈ੑΛ্͛Δந৅ɾϑϨʔϜϫʔΫΛݟ͚ͭΔͷ͕޷͖Ͱ͢ ‣ ࠷ۙͷ͓͖ʹ͍Γύοέʔδ ▶HPMBOHPSHYUPPMTHPQBDLBHFTQBDLBHFTUFTU HPPHMFHPMBOHPSHQSPUPCVGSFqFDUQSPUPSFqFDU HJUIVCDPNWFLUBIHRMQBSTFS !UFTUJOHMJCSBSZSFBDUIPPLT

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©2020 Wantedly, Inc. ‣ ʮ࢖͍΍͍͢ΠϯλϑΣʔεʯͱ͸ͳʹ͔ɺ࣮ྫ͔ΒֶͿʢߟ͑Δʣ ‣ ʮ࢖͍΍͍͢ΠϯλϑΣʔεʯΛ࣮ݱ͢ΔͨΊͷख๏ΛֶͿʢߟ͑Δʣ 8IBUJTJU

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©2020 Wantedly, Inc. ͳͥਓ͸)551ΫϥΠΞϯτΛ࡞Γͨ͘ͳΔͷ͔

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©2020 Wantedly, Inc. Ұൠతͳ)551ϦΫΤετ ؒҧ͍୳͠ίʔφʔͰ͢

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©2020 Wantedly, Inc.

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©2020 Wantedly, Inc. ݱ࣮ੈքͷΞϓϦέʔγϣϯͰ͸ɺ ΩϟϯηϧɾλΠϜΞ΢τΛͪΌΜͱѻ͏ͨΊʹ DPOUFYU$POUFYUΛ఻ൖ͢΂͖

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©2020 Wantedly, Inc.

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©2020 Wantedly, Inc. ݱ࣮ੈքͷΞϓϦέʔγϣϯͰ͸ɺ .FUSJDT ϩάͳͲ͍ΖΜͳ΋ͷΛऩूͨ͘͠ͳΔ

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©2020 Wantedly, Inc.

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©2020 Wantedly, Inc. ͜͏͍͏ͷ΋๨Ε͕ͪ

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©2020 Wantedly, Inc. ‣ 0CTFSWBCJMJUZͷͨΊͷϑοΫ .FUSJDT -PHT 5SBDFT ʜ ΞΫηεϩά ‣ ద੾ͳʓʓઓུͷӅṭ Ωϟογϡ ϦτϥΠ λΠϜΞ΢τ ʜ lͪΌΜͱz)551ϦΫΤετ͢Δͷ͸೉͍͠ 1SPEVDUJPO3FBEJOFTTͷ؍఺ ‣ ڞ௨ϩδοΫͷ࣮૷ "VUI/ "VUI; ʜ ‣ ࢖͍΍͍͢"1* ৑௕ͳهड़͕ݮΒͤΔ ͍Ζ͍Ζ๨Εͳ͍ ʜ lศརϥΠϒϥϦzͱͯ͠ͷ؍఺

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©2020 Wantedly, Inc. ‣ 0CTFSWBCJMJUZͷͨΊͷϑοΫ .FUSJDT -PHT 5SBDFT ʜ ΞΫηεϩά ‣ ద੾ͳʓʓઓུͷӅṭ Ωϟογϡ ϦτϥΠ λΠϜΞ΢τ ʜ lͪΌΜͱz)551ϦΫΤετ͢Δͷ͸೉͍͠ 1SPEVDUJPO3FBEJOFTTͷ؍఺ ‣ ڞ௨ϩδοΫͷ࣮૷ "VUI/ "VUI; ʜ ‣ ࢖͍΍͍͢"1* ৑௕ͳهड़͕ݮΒͤΔ ͍Ζ͍Ζ๨Εͳ͍ ʜ lศརϥΠϒϥϦzͱͯ͠ͷ؍఺ ʮ࠷ڧͷIUUQ$MJFOUίϯετϥΫλʯͰ ղܾ͢Δ΋ͷ΋ଟ͍

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©2020 Wantedly, Inc. ‣ 0CTFSWBCJMJUZͷͨΊͷϑοΫ .FUSJDT -PHT 5SBDFT ʜ ΞΫηεϩά ‣ ద੾ͳʓʓઓུͷӅṭ Ωϟογϡ ϦτϥΠ λΠϜΞ΢τ ʜ lͪΌΜͱz)551ϦΫΤετ͢Δͷ͸೉͍͠ 1SPEVDUJPO3FBEJOFTTͷ؍఺ ‣ ڞ௨ϩδοΫͷ࣮૷ "VUI/ "VUI; ʜ ‣ ࢖͍΍͍͢"1* ৑௕ͳهड़͕ݮΒͤΔ ͍Ζ͍Ζ๨Εͳ͍ ʜ lศརϥΠϒϥϦzͱͯ͠ͷ؍఺ ͜ͷลͷʮࣄނΓ΍͢͞ʯ͸ʁ -JOUͰղܾͰ͖Δ΋ͷ΋͋Δ͕ʜ ʢFHUJNBLJOCPEZDMPTF TPOBUBSEOPDUYʣ

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©2020 Wantedly, Inc. 3FBM8PSME)5513FRVFTU ‣ ඞཁͳ࡞ۀ͸࿙Εͯͳ͍͔ʁ DPOUFYU$POUFYUΛ఻ൖͤͯ͞ͳ͍ͱɺϝτϦΫε΍τϨʔε͕औΕͳ͘ͳΔ 4UBUVTDPEF͕YY΍YYͰ΋A IUUQ$MJFOU %PA͸ΤϥʔΛฦ͞ͳ͍ ʜ ‣ ҙ֎ͱ᠘͕ଟ͍ʂ -JOUͰΧόʔͰ͖Δ΋ͷ΋͋ΔʢFHUJNBLJOCPEZDMPTF TPOBUBSEOPDUYʣ lͪΌΜͱz)551ϦΫΤετ͢Δͷ͸೉͍͠

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©2020 Wantedly, Inc. AOFUIUUQ$MJFOUA͸ྑ͘ͳ͍ʁ ‣ ͦΜͳ͜ͱ͸ͳ͍ʂ ϝδϟʔέʔεͰ͋Δʮ+40/ͷԟ෮ʯʹ͸͔ͨ͠ʹ৑௕͔΋͠Εͳ͍ ҰํͰɺඪ४ϥΠϒϥϦͳͷͰଟ༷ͳχʔζʹରԠͰ͖Δඞཁ͕͋Δ )551ͷ௨৴ࣗମ͕੒ޭ͍ͯ͠ΔͷͰYYͰ΋Τϥʔ͡Όͳ͍ͷ΋Θ͔Δ ετϦʔϜతͳ΍͔ͭ΋͠Εͳ͍ͷͰ<>CZUFͰ͸ͳ͘JP3FBEFSͳͷ΋Θ͔Δ ‣ ΋ͷ͝ͱͷҰଆ໘͚ͩΛݟͯྑ͠ѱ͠Λ൑ఆ͢Δͷ͸μϝ ʮͳͥͦ͏ͳ͍ͬͯΔ͔ʯΛߟ͑ͯΈΔͷ͕େ੾ ίϥϜతͳ࿩

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©2020 Wantedly, Inc. ͸͍ʢٳܜʣ

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©2020 Wantedly, Inc. +40/"1*Λୟ͘)551ΫϥΠΞϯτ ʹɺର৅ΛߜΓ·͢ 8FCΞϓϦέʔγϣϯ԰͞Μʹͱͬͯͷϝδϟʔέʔε

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©2020 Wantedly, Inc. ʮྑ͍ΠϯλϑΣʔεʯ ʹ͢ΔͨΊʹ͸ʁ

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©2020 Wantedly, Inc. APIs should be easy to use and hard to misuse. Joshua Bloch: Bumper-Sticker API Design* * https://www.infoq.com/articles/API-Design-Joshua-Bloch/ lྑ͍ΠϯλϑΣʔεzͱ͸

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©2020 Wantedly, Inc. $IBSBDUFSJTUJDTPGB(PPE"1* ‣ &BTZUPMFBSO ‣ &BTZUPVTF FWFOXJUIPVUEPDVNFOUBUJPO ‣ )BSEUPNJTVTF ‣ &BTZUPSFBEBOENBJOUBJODPEFUIBUVTFTJU ‣ &BTZUPFYUFOE ‣ "QQSPQSJBUFUPBVEJFODF lྑ͍ΠϯλϑΣʔεzͱ͸ * “How to design a good API and why it matters” ͔ΒҾ༻ https://research.google/pubs/pub32713/

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©2020 Wantedly, Inc. ‣ &BTZUPMFBSO&BTZUPVTF FWFOXJUIPVUEPDVNFOUBUJPO ࢖͍ํΛ༰қʹֶ΂Δ υΩϡϝϯτΛಡ·ͳͯ͘΋ɺʢิ׬ީิɾΠϯλϑΣʔεΛݟΕ͹ʣͰ࢖͑Δ ‣ )BSEUPNJTVTF FHʮDPOUFYU$POUFYU౉͠๨ΕʯʮIUUQTUBUVTνΣοΫ͠๨Εʯ͕ى͖ͳ͍Α͏ͳ࢓૊Έɾ*' ‣ &BTZUPFYUFOE FHʮʓʓͷͨΊͷϑοΫΛ࢓ࠐΉʯΈ͍ͨͳͷ͕༰қʹ࢓ࠐΊΔΑ͏ͳ &BTZUPVTF)BSEUPNJTVTFͳ)551ΫϥΠΞϯτ * “How to design a good API and why it matters” ͔ΒҾ༻ https://research.google/pubs/pub32713/

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©2020 Wantedly, Inc. ૝૾Ͱ͖·ͨ͠ʁ

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©2020 Wantedly, Inc. ଞͷݴޠͰͲ͏ͳ͍ͬͯΔ͔Λ ࢀߟʹͯ͠ΈΔ

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©2020 Wantedly, Inc. BYJPT ϒϥ΢βɾ/PEFKTͰ࢖͑Δ+4ϥΠϒϥϦ ଞͷݴޠͰͷ)551ΫϥΠΞϯτ

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©2020 Wantedly, Inc. BYJPT ϒϥ΢βɾ/PEFKTͰ࢖͑Δ+4ϥΠϒϥϦ ‣ ϦΫΤετͷ౤͛ํ͸໌շ )551.FUIPE+4ͷϝιου໊ YY YYͩͱ&SSPS͕UISPX͞ΕΔ ଞͷݴޠͰͷ)551ΫϥΠΞϯτ

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©2020 Wantedly, Inc. BYJPT ϒϥ΢βɾ/PEFKTͰ࢖͑Δ+4ϥΠϒϥϦ ‣ ϦΫΤετͷ౤͛ํ͸໌շ )551.FUIPE+4ͷϝιου໊ YY YYͩͱ&SSPS͕UISPX͞ΕΔ ‣ *OUFSDFQUPSͱ͍͏ܗͰϦΫΤετલޙʹ հೖͰ͖ΔΑ͏ʹͳ͍ͬͯΔ ଞͷݴޠͰͷ)551ΫϥΠΞϯτ

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©2020 Wantedly, Inc. 'BSBEBZ (JU)VCDMJFOUͰ΋ར༻͞ΕΔ3VCZHFN ଞͷݴޠͰͷ)551ΫϥΠΞϯτ

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©2020 Wantedly, Inc. 'BSBEBZ (JU)VCDMJFOUͰ΋ར༻͞ΕΔ3VCZHFN ‣ ϦΫΤετͷ౤͛ํ͸BYJPTͱ΄΅ಉ͡ )551.FUIPEϝιου໊ YY YYͩͱ&SSPS͕UISPX͞ΕΔ ‣ .JEEMFXBSFΛ࣮૷ɾએݴ͢Δ͜ͱͰɺ
 ϦΫΤετલޙʹհೖͰ͖Δ ଞͷݴޠͰͷ)551ΫϥΠΞϯτ

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©2020 Wantedly, Inc. ଞͷݴޠ͔ΒΘ͔Δ͜ͱ

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©2020 Wantedly, Inc. ‣ )551.FUIPE໊͕ͦͷ··ϝιου໊ʹͳͬͯΔέʔε͕ଟ͍ ʮ)551$MJFOUΠϯελϯεͷϝιουʯύλʔϯʢ'BSBEBZ BYJPTʣ ʮ3FRVFTUΦϒδΣΫτͷCVJMEFSQBUUFSOʯύλʔϯʢ0L)UUQ 3FRVFTUTʣ ‣ YY YYͷॲཧํ਑͸େ͖̎͘௨Γ Τϥʔʹ͢ΔBYJPT 'BSBEBZʢWҎ߱ʣ AJT4VDDFTTAͱ͔APLAΈ͍ͨͳϝιου0L)UUQ 'BSBEBZʢ;Δ͍΍ͭʣ ‣ ϦΫΤετͷલޙʹॲཧΛڬΊΔΑ͏ʹͳ͍ͬͯΔʢ*OUFSDFQUPS .JEEMFXBSFʣ ‣ #BTF63-ΛઃఆͰ͖Δ΋ͷ΋ଟ͍ ଞͷݴޠ͔ΒΘ͔Δ͜ͱ

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©2020 Wantedly, Inc. Ͳ͏͍͏΋ͷ͕޷·ΕΔ͔͸Θ͔ͬͨ
 ʢؾ͕͢Δʣ

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©2020 Wantedly, Inc. Ͳ͏(PͷΠϯλϑΣʔεʹམͱ͠ɺ ࣮૷͍ͯ͘͠ʁ

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©2020 Wantedly, Inc. HJUIVCDPNJ[VNJOIYͷྫ ࣾ಺Ͱ࢖ͬͯͨ)551DMJFOUΛϦϓϨʔεͰ͖ͳ͍͔ͳʙͬͯ࡞ͬͯΈͨ

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©2020 Wantedly, Inc. *OUFSDFQUPSͷ࣮ݱ .JEEMFXBSFͱݺ͹ΕͨΓ΋͢ΔɺϦΫΤετલޙ΁ͷϑοΫػߏ

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©2020 Wantedly, Inc. )551ΫϥΠΞϯτͷ*OUFSDFQUPS3PVOE5SJQQFS ࣮͸ඪ४Ͱͦ͏͍͏͜ͱ͕࣮ݱͰ͖Δػߏ͕͋ΔAOFUIUUQ3PVOE5SJQQFSA

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©2020 Wantedly, Inc. )551ΫϥΠΞϯτͷ*OUFSDFQUPS3PVOE5SJQQFS )551TFSWFSͷϛυϧ΢ΣΞύλʔϯʢAOFUIUUQ)BOEMFSAʣͱಉ͡Α͏ͳ࡞Γํ

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©2020 Wantedly, Inc. ੈͷதͷIUUQ3PVOE5SJQQFS ੈͷதͰ΋ී௨ʹ࢖ΘΕ͍ͯΔ HPEPDPSHHPMBOHPSHYPBVUI HPPQFODFOTVTJPQMVHJOPDIUUQ

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©2020 Wantedly, Inc. 'VODUJPOBM0QUJPO1BUUFSO ͜ͷઌ3PVOU5SJQQFSҎ֎΋ࢦఆͨ͘͠ͳΔ͸ͣͳͷͰɺ'VODUJPOBM0QUJPO1BUUFSOʹ

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©2020 Wantedly, Inc. ΫϥΠΞϯτͷΠϯλϑΣʔε ೔ৗͰίʔυΛॻ͍͍ͯͯɺ΋ͬͱ΋৮ΕΔ෦෼ɻख৮Γ͕େࣄɻ

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©2020 Wantedly, Inc. طଘͷ)551ΫϥΠΞϯτͷΠϯλϑΣʔε #VJMEFSQBUUFSOͩͱऴ୺ͷϝιουݺͼग़͕͠ඞཁʹͳΓ ͦΕΛ֮͑Δͷ͕ϜζΧγΠͱ͍͏ҹ৅Λ͍࣋ͬͯΔʢ޷Έͷ໰୊͔΋ʣ 3FRVFTUCVJMEFSQBUUFSOΛΑ͘ݟ͔͚Δؾ͕͢Δ

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©2020 Wantedly, Inc. ʮ͍͍ײ͡ͷ)551$MJFOUʯΠϯλϑΣʔεํ਑

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©2020 Wantedly, Inc. ʮ͍͍ײ͡ͷ)551$MJFOUʯΠϯλϑΣʔεํ਑ )551.FUIPE໊ͱҰக͢Δϝιου໊ ʢϝιου໊͕ͪΌΜͱิ׬Ͱग़͖ͯͯศརʂʣ

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©2020 Wantedly, Inc. ʮ͍͍ײ͡ͷ)551$MJFOUʯΠϯλϑΣʔεํ਑ DPOUFYU$POUFYU͕ඞਢҾ਺
 ʢ๨ΕΔ΄͏͕ϜζΧγΠʂʣ

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©2020 Wantedly, Inc. ໰୊͸͔͜͜Β

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©2020 Wantedly, Inc. (FOFSJDTܕύϥϝλతͳ΋ͷ͕ͳ͍(PͰ ϨεϙϯεɾΤϥʔΛͲ͏औΓग़͔͢

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©2020 Wantedly, Inc. ͺͬͱࢥ͍ͭ͘ྫʢਖ਼ৗܥʣ ѱ͘͸ͳ͍͕ɺ+40/Ҏ֎ͷํʹϚοϐϯά͍ͨ͠ͱ͖ʹͲ͏͢Δ͔͸՝୊ <>CZUFT΍JP3FBEFSͷऔΓग़͠ޱ͸ผͰඞཁ

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©2020 Wantedly, Inc. ͺͬͱࢥ͍ͭ͘ྫʢҟৗܥʣ YY YYͳͲͷΤϥʔϨεϙϯε͕ฦͬͯ͘ΔܥͰ͸ɺ#PEZΛݟ͍ͨ͜ͱ͸ී௨ʹ͋Δ ͨͩɺ͜͜ͰͲ͏͍͏*'Λఏڙ͢Δ͔͸೰·͍͠

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©2020 Wantedly, Inc. ͺͬͱࢥ͍ͭ͘ྫʢҟৗܥʣ YY YYͳͲͷΤϥʔϨεϙϯε͕ฦͬͯ͘ΔܥͰ͸ɺ#PEZΛݟ͍ͨ͜ͱ͸ී௨ʹ͋Δ ͨͩɺ͜͜ͰͲ͏͍͏*'Λఏڙ͢Δ͔͸೰·͍͠ "QJ&SSPS΋3FTQPOTFJOUFSGBDFʢ4UBUVT͕औΕͨΓ3FTQPOTFCPEZΛॲཧͰ͖ͨΓ͢ΔʣΛ ࣮૷ͯ͠͠·͑͹͍͍͔΋͠Εͳ͍ ʢ͋ͱ͔Βࢥ͍͍ͭͯεϥΠυʹ଍͞Ε·ͨ͠ʣ

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©2020 Wantedly, Inc. ‣ ʮͺͬͱࢥ͍ͭ͘ྫʯͰ΋ҙ֎ͱѱ͘ͳ͍ ‣ ͨͩɺͲ͏͍͏ܗࣜͰEFTFSJBMJ[F͢Δ͔ͷ
 ʮ֦ுੑʢ&BTZUPFYUFOEʣʯ͸͓೰ΈϙΠϯτ ‣ ଞͷ#VJMEFSQBUUFSOͷϥΠϒϥϦʹൺ΂ͯ
 Τϥʔॲཧ͕ճ෼ଟͯ͘չ͍͠ʢʁʣ

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©2020 Wantedly, Inc. ͳΜ͔չ͍͠ͷͰ ΋͏Ұஈ֊͔ͬ͜Α͘ศརʹͰ͖ͳ͍͔

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©2020 Wantedly, Inc. HJUIVCDPNHPSFTUZSFTUZͷΤϥʔϋϯυϦϯά ͜Ε͕ώϯτʹͳΔͷͰ͸ʁ ҰํͰɺͭͷΤϥʔܕ͔͠౉ͤͳ͍ͱ͜Ζ͸վળͰ͖Δͱ͍͍ͷ͔΋ʁ ΤϥʔͷVONBSTIBMઌΛࢦఆͰ͖Δ

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©2020 Wantedly, Inc. ݁Ռ

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©2020 Wantedly, Inc. ͜͏ͳΓ·ͨ͠ ʢ͋·Γʹָ͘͠ͳͬͪΌͬͯɺԿΛͲ͏ߟ͑ͯ͜͏ͳ͔ͬͨ͸๨Εͨʜʣ ʢύλʔϯϚον͕ೖͬͨ3VCZ͕΋͏͙͢ग़Δͧʂ͘Β͍ͷ࣌ظʹॻ͍ͯͨͷͰɺ͔ͦ͜Βண૝ಘͨʁʣ

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©2020 Wantedly, Inc.

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©2020 Wantedly, Inc. ϦΫΤετϝιου΋0QUJPOΛड͚ΒΕΔΑ͏ʹ ʢಛఆͷ"1*͚ͩԿΒ͔ͷઓུ͕ҧ͏͜ͱ͸͋Γ͏ΔͷͰɺ͜ͷมߋࣗମʹ߹ཧੑ͸͋Δʣ

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©2020 Wantedly, Inc. 3FTQPOTF)BOEMFSͱ͍͏֓೦Λಋೖͨ͠ จࣈ௨Γ3FTQPOTFʢΤϥʔؚΉʣΛड͚ͯղऍͨ͠ΓɺผͷΤϥʔʹม׵ͨ͠Γ͢ΔϨΠϠ

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©2020 Wantedly, Inc. $POEJUJPOBM3FTQPOTF)BOEMFSͱ͍͏֓೦Λಋೖͨ͠ 3FTQPOTF)BOEMFSͷൃՐ৚݅Λࢦఆ͢ΔͨΊͷΠϯλϑΣʔε ʮYYͷͱ͖͸<>6TFSʹVONBSTIBMʯʮYY YYͷͱ͖͸FSSPSʹม׵ʯͱ͍ͬͨ ॊೈͳϋϯυϦϯάΛࢦఆͰ͖Δ ίϨࣗମ͸IY0QUJPOʹͳ͍ͬͯΔ

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©2020 Wantedly, Inc. ݁Ռ

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©2020 Wantedly, Inc. HJUIVCDPNJ[VNJOIYݱࡏͷܗ

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©2020 Wantedly, Inc. HJUIVCDPNJ[VNJOIYݱࡏͷܗ ‣ ❓&BTZUPMFBSO ‣ ❓&BTZUPVTF FWFOXJUIPVUEPDVNFOUBUJPO ‣ ❓)BSEUPNJTVTF ‣ ❓&BTZUPSFBEBOENBJOUBJODPEFUIBUVTFTJU ‣ ❓&BTZUPFYUFOE ‣ ❓"QQSPQSJBUFUPBVEJFODF

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©2020 Wantedly, Inc. ଞͷ࣮ݱํ๏͸ʁ

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©2020 Wantedly, Inc. "1*εΩʔϚ͔Βͷίʔυੜ੒ ‣ 0QFO"1* 4XBHHFS ͔Β)551ΫϥΠΞϯτͷίʔυΛੜ੒͢Δͱ͍͏Ξϓϩʔν HJUIVCDPNHPTXBHHFSHPTXBHHFS ‣ TUSVDUΛड͚औΓTUSVDUΛฦؔ͢਺͕ੜ·ΕΔͷͰɺར༻·Ͱͷোน͸গͳ͍ ‣ εΩʔϚʢ࢓༷ॻʣ͔ΒίʔυΛੜ੒͢ΔͷͰNJTVTF΋ى͖ͮΒ͍ εΩʔϚۦಈ։ൃɺྑͦ͞͏ʹݟ͑Δ ଞͷlྑ͍ΠϯλϑΣʔεz࣮ݱख๏

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©2020 Wantedly, Inc. Real World Migration from HTTP to gRPC in Ruby #grpcconf https://speakerdeck.com/south37/real-world-migration-from-http-to-grpc-in-ruby-number-grpcconf

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©2020 Wantedly, Inc. ॕH31$׬શຊ൪౤ೖ Real World Migration from HTTP to gRPC in Ruby #grpcconf https://speakerdeck.com/south37/real-world-migration-from-http-to-grpc-in-ruby-number-grpcconf

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©2020 Wantedly, Inc. ৽نʹॻ͔ΕΔ"1*͸͢΂ͯH31$ʹ ʢ)551ΫϥΠΞϯτͷग़൪͕ΊͬͪΌݮͬͨʣ Real World Migration from HTTP to gRPC in Ruby #grpcconf https://speakerdeck.com/south37/real-world-migration-from-http-to-grpc-in-ruby-number-grpcconf

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©2020 Wantedly, Inc. ݁࿦ H31$͸ਆ

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