画面に合わせたAPI設計をしたら残業が死ぬほど増えた話

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ը໘ʹ߹ΘͤͨAPIઃܭΛͨ͠Β ࢒ۀ͕ࢮ͵΄Ͳ૿͑ͨ࿩ KINOCOBOY

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Hiroki Kinoshita Peacock Engineer Group ओ࠵ גࣜձࣾKUNO ϑϩϯτΤϯδχΞ(gcp, aws, angular, nuxt) Twitter @kinocoboy2 SELF INTRODUCTION

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Hiroki Kinoshita Peacock Engineer Group ओ࠵ גࣜձࣾKUNO ϑϩϯτΤϯδχΞ(gcp, aws, angular, nuxt) Twitter @kinocoboy2 SELF INTRODUCTION Ϋϥ΢υ × ϩέʔγϣϯϑϦʔ × ஍ํҠॅ Ͱൃ৴தʂ

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όουϊ΢ϋ΢

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࢒ۀ͸Ϋι

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࢒ۀ͸Ϋι ·ͣɺ݁࿦

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࢒ۀ͸Ϋι ୯ҰAPIͰNݸͷޮՌΛ࣋ͨͤΔͳ ·ͣɺ݁࿦

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࢒ۀ͸Ϋι ୯ҰAPIͰNݸͷޮՌΛ࣋ͨͤΔͳ ը໘߲໨͚ͩʹ஫ҙͯ͠ςʔϒϧఆٛΛܾΊΔͳ ·ͣɺ݁࿦

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࢒ۀ͸Ϋι ୯ҰAPIͰNݸͷޮՌΛ࣋ͨͤΔͳ ը໘߲໨͚ͩʹ஫ҙͯ͠ςʔϒϧఆٛΛܾΊΔͳ ֎෦APIΛ࢖͏ͳΒɺຊ౰ʹجૅ͸େࣄͩ ·ͣɺ݁࿦

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͋Μ·Γڭ͑ͯ͸͘Εͳ͍҉໧஌ ͦΜͳ΋Μ͋ͬͨΓ·͑Ͱ͠ΐ…ͳ࿩ͳΜ͚ͩͲɺͦͷཧ༝Λ஌͍ͬͯΔਓ͸ҙ֎ͱগͳ͍ɻ

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͋Μ·Γڭ͑ͯ͸͘Εͳ͍҉໧஌ ͦΜͳ΋Μ͋ͬͨΓ·͑Ͱ͠ΐ…ͳ࿩ͳΜ͚ͩͲɺͦͷཧ༝Λ஌͍ͬͯΔਓ͸ҙ֎ͱগͳ͍ɻ ͜ͷجຊΛԡ͑ͣ͞ʹ࡞ΓࠐΜͰ͠·ͬͯɺൿ఻ͷλϨΛ࿉੒͍ͯ͠Δݱ৔͸ଟ͍

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͋Μ·Γڭ͑ͯ͸͘Εͳ͍҉໧஌ ͦΜͳ΋Μ͋ͬͨΓ·͑Ͱ͠ΐ…ͳ࿩ͳΜ͚ͩͲɺͦͷཧ༝Λ஌͍ͬͯΔਓ͸ҙ֎ͱগͳ͍ɻ ͜ͷجຊΛԡ͑ͣ͞ʹ࡞ΓࠐΜͰ͠·ͬͯɺൿ఻ͷλϨΛ࿉੒͍ͯ͠Δݱ৔͸ଟ͍ ಛʹ֎෦APIΛར༻͢ΔͳΒɺΑΓجૅ͕େࣄʹͳΔɻ

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͋Μ·Γڭ͑ͯ͸͘Εͳ͍҉໧஌ ͦΜͳ΋Μ͋ͬͨΓ·͑Ͱ͠ΐ…ͳ࿩ͳΜ͚ͩͲɺͦͷཧ༝Λ஌͍ͬͯΔਓ͸ҙ֎ͱগͳ͍ɻ ͜ͷجຊΛԡ͑ͣ͞ʹ࡞ΓࠐΜͰ͠·ͬͯɺൿ఻ͷλϨΛ࿉੒͍ͯ͠Δݱ৔͸ଟ͍ ಛʹ֎෦APIΛར༻͢ΔͳΒɺΑΓجૅ͕େࣄʹͳΔɻ ൿ఻ͷλϨ๾໓ӡಈͰ͢ɻ

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جૅͦͷҰ

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୯ҰAPIͰNݸͷޮՌΛ࣋ͨͤΔͳ

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୯ҰAPIͰෳ਺ͷڍಈ ྫ͑͹ɺ

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୯ҰAPIͰෳ਺ͷڍಈ ྫ͑͹ɺ ɾGETϝιουͷॲཧͳͷʹԿނ͔σʔλͷߋ৽ֻ͕͔Δɻ

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୯ҰAPIͰෳ਺ͷڍಈ ྫ͑͹ɺ ɾGETϝιουͷॲཧͳͷʹԿނ͔σʔλͷߋ৽ֻ͕͔Δɻ ɾߋ৽ͱڞʹԿ͔ͷσʔλ͕௥Ճ͞ΕΔɻ

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୯ҰAPIͰෳ਺ͷڍಈ ྫ͑͹ɺ ɾGETϝιουͷॲཧͳͷʹԿނ͔σʔλͷߋ৽ֻ͕͔Δɻ ɾߋ৽ͱڞʹԿ͔ͷσʔλ͕௥Ճ͞ΕΔɻ ϑΣΠϯτ ͍ͬͺ͍ೖΕͪΌ͏

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୯ҰAPIͰෳ਺ͷڍಈ ྫ͑͹ɺ ɾGETϝιουͷॲཧͳͷʹԿނ͔σʔλͷߋ৽ֻ͕͔Δɻ ɾߋ৽ͱڞʹԿ͔ͷσʔλ͕௥Ճ͞ΕΔɻ ϑΣΠϯτ ͍ͬͺ͍ೖΕͪΌ͏ ਖ਼͍͠ಈ͖Λ ௐࠪ͠ͳ͍ͱ

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୯ҰAPIͰෳ਺ͷڍಈ ྫ͑͹ɺ ɾGETϝιουͷॲཧͳͷʹԿނ͔σʔλͷߋ৽ֻ͕͔Δɻ ɾߋ৽ͱڞʹԿ͔ͷσʔλ͕௥Ճ͞ΕΔɻ ϑΣΠϯτ ͍ͬͺ͍ೖΕͪΌ͏ ਖ਼͍͠ಈ͖Λ ௐࠪ͠ͳ͍ͱ

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୯ҰAPIͰෳ਺ͷڍಈ ୯ҰAPIͰ૝ఆ֎ͷڍಈ͕ೖͬͯ͘ΔͱɺAPI໊ʹରͯ͠ڍಈ͕ࣗ໌͡Όͳ͘ͳΔɻ

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୯ҰAPIͰෳ਺ͷڍಈ ୯ҰAPIͰ૝ఆ֎ͷڍಈ͕ೖͬͯ͘ΔͱɺAPI໊ʹରͯ͠ڍಈ͕ࣗ໌͡Όͳ͘ͳΔɻ ݁Ռͱͯ͠

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୯ҰAPIͰෳ਺ͷڍಈ ୯ҰAPIͰ૝ఆ֎ͷڍಈ͕ೖͬͯ͘ΔͱɺAPI໊ʹରͯ͠ڍಈ͕ࣗ໌͡Όͳ͘ͳΔɻ ݁Ռͱͯ͠ ௐࠪʹ৴͡ΒΕͳ͍࣌ؒ΋͔͔Δ

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୯ҰAPIͰෳ਺ͷڍಈ ୯ҰAPIͰ૝ఆ֎ͷڍಈ͕ೖͬͯ͘ΔͱɺAPI໊ʹରͯ͠ڍಈ͕ࣗ໌͡Όͳ͘ͳΔɻ ݁Ռͱͯ͠ ௐࠪʹ৴͡ΒΕͳ͍࣌ؒ΋͔͔Δ ಈ࡞֬ೝͷ೉қ౓΋্͕Δ

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୯ҰAPIͰෳ਺ͷڍಈ ୯ҰAPIͰ૝ఆ֎ͷڍಈ͕ೖͬͯ͘ΔͱɺAPI໊ʹରͯ͠ڍಈ͕ࣗ໌͡Όͳ͘ͳΔɻ ݁Ռͱͯ͠ ௐࠪʹ৴͡ΒΕͳ͍࣌ؒ΋͔͔Δ ಈ࡞֬ೝͷ೉қ౓΋্͕Δ ίʔυ΋εύήοςΟʔίʔυނɺίʔυௐࠪ΋Ωπ͍

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୯ҰAPIͰෳ਺ͷڍಈ ୯ҰAPIͰ૝ఆ֎ͷڍಈ͕ೖͬͯ͘ΔͱɺAPI໊ʹରͯ͠ڍಈ͕ࣗ໌͡Όͳ͘ͳΔɻ ݁Ռͱͯ͠ ௐࠪʹ৴͡ΒΕͳ͍࣌ؒ΋͔͔Δ ಈ࡞֬ೝͷ೉қ౓΋্͕Δ ίʔυ΋εύήοςΟʔίʔυނɺίʔυௐࠪ΋Ωπ͍ ࠷ऴతʹɺଐਓԽ → ແବͳ޻਺͕ര্͕Γ → ͦͷ݁Ռ…

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ݟࣄ ࢒ۀ ֬ఆ!!

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୯ҰAPIͰෳ਺ͷڍಈ ղܾํ๏͸ɺ୯७໌շɻ

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୯ҰAPIͰෳ਺ͷڍಈ ղܾํ๏͸ɺ୯७໌շɻ ༨ܭͳڍಈ͸ೖΕͳ͍ʂ

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୯ҰAPIͰෳ਺ͷڍಈ ղܾํ๏͸ɺ୯७໌շɻ ༨ܭͳڍಈ͸ೖΕͳ͍ʂ GET͸औಘɺPOST͸ొ࿥ɺPUT͸ߋ৽ɺDELETE͸࡟আ͚ͩʂ

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୯ҰAPIͰෳ਺ͷڍಈ ղܾํ๏͸ɺ୯७໌շɻ ༨ܭͳڍಈ͸ೖΕͳ͍ʂ GET͸औಘɺPOST͸ొ࿥ɺPUT͸ߋ৽ɺDELETE͸࡟আ͚ͩʂ ॲཧ͸ࣗ໌ʹʂ

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୯ҰAPIͰෳ਺ͷڍಈ ղܾํ๏͸ɺ୯७໌շɻ ༨ܭͳڍಈ͸ೖΕͳ͍ʂ GET͸औಘɺPOST͸ొ࿥ɺPUT͸ߋ৽ɺDELETE͸࡟আ͚ͩʂ ݪҼՕॴ͕໌Β͔ ॲཧ͸ࣗ໌ʹʂ

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୯ҰAPIͰෳ਺ͷڍಈ ղܾํ๏͸ɺ୯७໌շɻ ༨ܭͳڍಈ͸ೖΕͳ͍ʂ GET͸औಘɺPOST͸ొ࿥ɺPUT͸ߋ৽ɺDELETE͸࡟আ͚ͩʂ ݪҼՕॴ͕໌Β͔ ଐਓճආ ॲཧ͸ࣗ໌ʹʂ

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جૅͦͷೋ

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ը໘߲໨͚ͩʹ஫ҙͯ͠ ςʔϒϧఆٛΛܾΊΔͳ

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ը໘ʹදࣔ͞ΕΔ΋ͷ͔͠ߟ͑ͳ͍ ը໘ʹදࣔ͞ΕΔ΋ͷΛDatabaseʹอଘ͓͚ͯ͠͹OK!

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ը໘ʹදࣔ͞ΕΔ΋ͷ͔͠ߟ͑ͳ͍ ը໘ʹදࣔ͞ΕΔ΋ͷΛDatabaseʹอଘ͓͚ͯ͠͹OK! ͱ͍͏ൃ૝͔Β҆қʹը໘ઌߦͰ։ൃ͕ਐΉέʔε͕·ͩ·ͩଟ͍ɻ

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ը໘ʹදࣔ͞ΕΔ΋ͷ͔͠ߟ͑ͳ͍ ը໘ʹදࣔ͞ΕΔ΋ͷΛDatabaseʹอଘ͓͚ͯ͠͹OK! ͱ͍͏ൃ૝͔Β҆қʹը໘ઌߦͰ։ൃ͕ਐΉέʔε͕·ͩ·ͩଟ͍ɻ   ʢΘ͔ͬͯͳ͍σβΠφʔ͞Μ͕ओಋ͢Δͱͦ͏ͳΓ͕ͪʣ ֎෦APIΛ૊ΜͩΓ͢ΔͳΒɺΑΓը໘ʹҾͬுΒΕͯ͸͍͚ͳ͍ɻ  

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ը໘ઌߦͰߟ͑Δͱʁ Instagramతͳը໘ΛΠϝʔδͯ͠Έ·͠ΐ͏ ೔෇ ͍͍Ͷ਺ Tags λΠτϧ ৄࡉText

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ը໘ઌߦͰߟ͑Δͱʁ Instagramతͳը໘ΛΠϝʔδͯ͠Έ·͠ΐ͏ ߲໨Λฏ໘తʹଊ͑Δͱɺ ೔෇ ͍͍Ͷ਺ Tags λΠτϧ ৄࡉText

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ը໘ઌߦͰߟ͑Δͱʁ Instagramతͳը໘ΛΠϝʔδͯ͠Έ·͠ΐ͏ ߲໨Λฏ໘తʹଊ͑Δͱɺ λΠτϧ 1 : 1 ೔෇ 1 : 1 ৄࡉςΩετ 1 : 1 ͍͍Ͷ਺ 1 : N λά 1 : N ೔෇ ͍͍Ͷ਺ Tags λΠτϧ ৄࡉText

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ը໘ઌߦͰߟ͑Δͱʁ Instagramతͳը໘ΛΠϝʔδͯ͠Έ·͠ΐ͏ ߲໨Λฏ໘తʹଊ͑Δͱɺ λΠτϧ 1 : 1 ೔෇ 1 : 1 ৄࡉςΩετ 1 : 1 ͍͍Ͷ਺ 1 : N λά 1 : N ྫྷ੩ʹݟͨΒɺ ੑ࣭͕ҧ͏͜ͱ͕Θ͔Δ ೔෇ ͍͍Ͷ਺ Tags λΠτϧ ৄࡉText

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ը໘ઌߦͰߟ͑Δͱʁ Instagramతͳը໘ΛΠϝʔδͯ͠Έ·͠ΐ͏ ߲໨Λฏ໘తʹଊ͑Δͱɺ Ͱ΋͜ͷ··ٙ໰Λ࣋ͨͣʹAPIԽ͢Δͱ…? ೔෇ ͍͍Ͷ਺ Tags λΠτϧ ৄࡉText λΠτϧ 1 : 1 ೔෇ 1 : 1 ৄࡉςΩετ 1 : 1 ͍͍Ͷ਺ 1 : N λά 1 : N ྫྷ੩ʹݟͨΒɺ ੑ࣭͕ҧ͏͜ͱ͕Θ͔Δ

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ը໘ઌߦͰߟ͑Δͱʁ API ΠϯλʔϑΣʔε͸ɺ ೔෇ ͍͍Ͷ਺ Tags λΠτϧ ৄࡉText Request: { Title: string, Created: timestamp, detailText: text, Likes: number, Tags: string[], }

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ը໘ઌߦͰߟ͑Δͱʁ API ΠϯλʔϑΣʔε͸ɺ ͦͯ͠ςʔϒϧ͸ɺ ೔෇ ͍͍Ͷ਺ Tags λΠτϧ ৄࡉText Request: { Title: string, Created: timestamp, detailText: text, Likes: number, Tags: string[], } ౤ߘςʔϒϧ: { Title: string, Created: timestamp, detailText: text, Likes: number, Tags: string[], }

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ը໘ʹදࣔ͞ΕΔ΋ͷ͔͠ߟ͑ͳ͍ ౤ߘ ʹରͯ͠ ͍͍ͶΛ௥Ճͨ͠Γɺ TagΛ௥Ճ͠Α͏ͱ͢Δͱɺ   ඞͣ ౤ߘςʔϒϧࣗମʹߋ৽Λ͔͚ଓ͚ΔࣄʹͳΔɻ ಉҰςʔϒϧΛಉ࣌ଟൃతʹฤूૢ࡞͠Α͏ͱ͢ΔͱɺςʔϒϧϩοΫֻ͕͔Δɻ ςʔϒϧϩοΫ͕ੵΈॏͳΔͱɺγεςϜͷϘτϧωοΫʹɻ γεςϜςετ࣌ʹ͜Ε͕໌Β͔ʹͳͬͯɺશ໘తʹෛՙվળʹ৐Γग़͢ͱΠϯύΫτେɻ

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ղܾํ๏ ը໘Ͱ߲໨Λચ͍ग़͢ͷ͸ѱ͍͜ͱͰ͸ͳ͍ɻΉ͠Ζඞཁɻ

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ղܾํ๏ ը໘Ͱ߲໨Λચ͍ग़͢ͷ͸ѱ͍͜ͱͰ͸ͳ͍ɻΉ͠Ζඞཁɻ Ͱ΋ɺ͚ͦͩ͜஫ҙͯ͠ςʔϒϧߏ଄·Ͱ࡞Γ࢝Ίͯ͠·͏ͱNG.

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ղܾํ๏ ը໘Ͱ߲໨Λચ͍ग़͢ͷ͸ѱ͍͜ͱͰ͸ͳ͍ɻΉ͠Ζඞཁɻ Ͱ΋ɺ͚ͦͩ͜஫ҙͯ͠ςʔϒϧߏ଄·Ͱ࡞Γ࢝Ίͯ͠·͏ͱNG. ͖ͪΜͱը໘Λ࢖͏ಈػɾಋઢɺσʔλͷੑ࣭΋ߟྀʹೖΕͯςʔϒϧఆٛ΍APIΛઃܭ͢Δ͜ ͱ͕େࣄɻ

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ղܾํ๏ ը໘Ͱ߲໨Λચ͍ग़͢ͷ͸ѱ͍͜ͱͰ͸ͳ͍ɻΉ͠Ζඞཁɻ Ͱ΋ɺ͚ͦͩ͜஫ҙͯ͠ςʔϒϧߏ଄·Ͱ࡞Γ࢝Ίͯ͠·͏ͱNG. ͖ͪΜͱը໘Λ࢖͏ಈػɾಋઢɺσʔλͷੑ࣭΋ߟྀʹೖΕͯςʔϒϧఆٛ΍APIΛઃܭ͢Δ͜ ͱ͕େࣄɻ ͦͷͨΊͷٕज़΍ߟ͑ํ͕ɺDDD΍ICONIXͳͲͷυϝΠϯۦಈઃܭ΍Ϣʔεέʔεۦಈઃܭʹ ֘౰͢Δɻ

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ղܾํ๏ ࠓճͷ৔߹ͰࢲͩͬͨΒɺςʔϒϧΛ̏ͭ ʹ෼͚Δɻ ౤ߘςʔϒϧ: { postId: string, Title: string, Created: timestamp, detailText: text, } ͍͍Ͷ਺: { likeId: string, postId: string, } λά: { tagId: string Name: string }

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ղܾํ๏ ࠓճͷ৔߹ͰࢲͩͬͨΒɺςʔϒϧΛ̏ͭʹ ෼͚Δɻ ͜ΕͰߋ৽λΠϛϯά΍ର৅ςʔϒϧ΋͹Β ͚ΔͷͰɺσουϩοΫͷස౓͕Լ͕Δ͸ ͣɻ ౤ߘςʔϒϧ: { postId: string, Title: string, Created: timestamp, detailText: text, } ͍͍Ͷ਺: { likeId: string, postId: string, } λά: { tagId: string Name: string }

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ղܾํ๏ ࠓճͷ৔߹ͰࢲͩͬͨΒɺςʔϒϧΛ̏ͭʹ෼ ͚Δɻ ͜ΕͰߋ৽λΠϛϯά΍ର৅ςʔϒϧ΋͹Β͚ ΔͷͰɺσουϩοΫͷස౓͕Լ͕Δ͸ͣɻ ࠓճ͸͜ͷΑ͏ʹΘ͔Γ΍͍͢ྫ͕ͩɺຊ౰͸ ΋ͬͱೖΓ૊ΜͰ͍ΔͷͰ͔ͬ͠Γ෼ղ͕ඞཁ ʹͳΔɻ ౤ߘςʔϒϧ: { postId: string, Title: string, Created: timestamp, detailText: text, } ͍͍Ͷ਺: { likeId: string, postId: string, } λά: { tagId: string Name: string }

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·ͱΊ

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• API͸ࣗ໌Ͱ͋Δ͜ͱΛҡ࣋͢Δ͜ͱ • ௐࠪΛ؆ུʹɻ • ࢖༻ײΛ໌Β͔ʹɻ ݁࿦

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• API͸ࣗ໌Ͱ͋Δ͜ͱΛҡ࣋͢Δ͜ͱ • ௐࠪΛ؆ུʹɻ • ࢖༻ײΛ໌Β͔ʹɻ • σʔλͷੑ࣭΍ߏ଄Λ͔ͬ͠ΓਪᏏ͢Δ͜ͱ • ϞσϦϯά΍DDD, Iconix ͸༗ޮɻ ݁࿦

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• API͸ࣗ໌Ͱ͋Δ͜ͱΛҡ࣋͢Δ͜ͱ • ௐࠪΛ؆ུʹɻ • ࢖༻ײΛ໌Β͔ʹɻ • σʔλͷੑ࣭΍ߏ଄Λ͔ͬ͠ΓਪᏏ͢Δ͜ͱ • ϞσϦϯά΍DDD, Iconix ͸༗ޮɻ • WebAPIΛ࢖͏ͳΒɺͦͷੑ࣭Λ೺Ѳ্ͨ͠Ͱ ࢖͓͏ɻ ݁࿦

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• API͸ࣗ໌Ͱ͋Δ͜ͱΛҡ࣋͢Δ͜ͱ • ௐࠪΛ؆ུʹɻ • ࢖༻ײΛ໌Β͔ʹɻ • σʔλͷੑ࣭΍ߏ଄Λ͔ͬ͠ΓਪᏏ͢Δ͜ͱ • ϞσϦϯά΍DDD, Iconix ͸༗ޮɻ • WebAPIΛ࢖͏ͳΒɺͦͷੑ࣭Λ೺Ѳ্ͨ͠Ͱ࢖ ͓͏ɻ ͜Ε͕ແࢹ͞ΕΔͱɺ࢒ۀ͕૿͑ΔΑɻ ݁࿦

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Peacock Engineer Group • ڌ఺ • ৽ׁݝ௕Ԭࢢ • PEGͷ໨త • ஍Ҭ΍ձࣾɾࣾձਓ΍ֶੜͳͲͷ֞ࠜΛ௒͑ͯɺࣗ ༝ʹٕज़ྗΛߴΊ߹͑ΔίϛϡχςΟʹ!! • PEG͕औΓѻ͏ςʔϚ • ໌೔͔Β࢖͑ΔTips!! • ӡӦελοϑਵ࣌ืूத!!

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PEACOCK 03 ࿩୊ͷઃܭΛʮॳ৺ऀ޲͚ʯʹʮѹ౗త࢖͍΍͢͞Ͱ໌೔͔ ΒಋೖͰ͖Δʯ࿩Λ͢Δ໷͕͋ͬͯ΋͍͍Μ͡Όͳ͍͔ʁ 4/12 19:00 - 21:00 ΦϯϥΠϯ։࠵ʢCONNPASS )

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͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠