Rails 経験者が FastAPI 本を読んで感じたこと / 2023-11-28

by Takuma Yamamoto

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Rails ܦݧऀ͕ FastAPI ຊΛಡΜͰײͨ͜͡ͱ Takuma Yamamoto

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BIOGRAPHY ͋ͳͨ͸୭Ͱ͔͢ʁ 5BLVNB:BNBNPUP 8PSLBUTOBQNF 'SPN.JZB[BLJ ٕज़ελοΫ 4/4 झຯ ɾόοΫΤϯυ3VCZPO3BJMT ɾϑϩϯτΤϯυ3FBDU ɾΞϓϦ3FBDU/BUJWF ɾɹɹIUUQTHJUIVCDPNUBNBHPLFSBO ɾɹɹIUUQTUXJUUFSDPNZBNBUBLV ɾɹɹIUUQTRJJUBDPNUBNBHPLFSBO ɾɹɹIUUQT[FOOEFWUBNBHPLFSBO ɾ͓΍ͭ ɾα΢φ ɾΞχϝ

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INTRODUCTION લ৬Ͱ͸ Ruby on Rails ͰαʔόʔαΠυΛ։ൃ લ৬Ͱ͸೥ؒ3VCZPO3BJMTΛ࢖༻ͯ͠αʔόʔαΠυΛ։ൃͯ͠·ͨ͠ɻ   8FCଆͷ࣮૷΋͍ͯ͠·ͨ͠͠ɺϞόΠϧΞϓϦͷ"1*Λ࣮૷͍ͯ͠·ͨ͠ɻ

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INTRODUCTION εφοΫϛʔͰ͸ FastAPI Ͱ΋αʔόʔαΠυΛ։ൃ εφοΫϛʔͰ͸ɺࣾ಺ΦϖϨʔγϣϯγεςϜΛ3VCZPO3BJMTͰ։ൃ͍ͯ͠·͢ɻ   ҰํͰίϯγϡʔϚʔ޲͚ͷϓϩμΫτ͸'BTU"1*Ͱ։ൃΛߦ͍ͬͯ·͢ɻ

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INTRODUCTION ΩϟονΞοϓͷͨΊ FastAPI ຊΛखʹऔΓ·ͨ͠ ΤϯδχΞ࠾༻Λ୲౰͢Δ਎ͱͯ͠ɺࣗࣾͷٕज़ʹؔͯ͠ΩϟονΞοϓ͍ͨ͠ͱࢥ͍·ͨ͠ɻ   ͦ͜Ͱʮಈֶ͔ͯ͠Ϳʂ1ZUIPO'BTU"1*։ൃೖ໳ʯͱ͍͏ຊΛखʹऔΓ·ͨ͠ɻ

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TODAY’s TOPIC Rails ܦݧऀ͕ FastAPI ຊΛಡΜͰײͨ͜͡ͱΛڞ༗ ࠓ·Ͱ3VCZPO3BJMTͰͷΈαʔόαΠυΛ։ൃ͖ͯͨ͠ͷͰɺษڧʹͳΔ͜ͱ͕ଟ͔ͬͨͰ͢ɻ   ࠓճ͸'BTU"1*ຊΛಡΜͰɺັྗʹײͨ͜͡ͱ΍৽઱͞Λײͨ͡෦෼Λڞ༗͠·͢ɻ ςοΫϒϩάʹ΋ॻ͍͍ͯΔͷͰͥͻ

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TODAY’s GOAL FastAPI ʹڵຯͷ͋Δ Rails ܦݧऀͷ൑அࡐྉʹͳΕ͹ 3BJMTܦݧऀͷײ૝Λڞ༗ 'BTU"1*Ͱͷ։ൃΛݕ౼ 3BJMTܦݧऀ͕'BTU"1*ຊΛ ಡΜͰײ༷ͨ͡ʑͳ͜ͱʹͭ ͍ͯɺ঺հ͠·͢ɻ 3BJMTܦݧऀͰ'BTU"1*ʹڵ ຯͷ͋Δํʹͱͬͯͷ൑அࡐ ྉʹͳΕ͹خ͍͠Ͱ͢ɻ

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What is FastAPI? ͦ΋ͦ΋ FastAPI ͱ͸ԿͰ͔͢ʁ

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INTRODUCTION High-performance API framework 'BTU"1*JTBNPEFSO GBTU IJHIQFSGPSNBODF XFCGSBNFXPSLGPSCVJMEJOH"1*TXJUI1ZUIPO CBTFEPOTUBOEBSE1ZUIPOUZQFIJOUT 'BTU"1*͸ɺ1ZUIPOͷඪ४Ͱ͋Δܕώϯτʹج ͍ͮͯ1ZUIPOҎ߱Ͱ"1*Λߏங͢ΔͨΊ ͷɺϞμϯͰɺߴ଎ ߴύϑΥʔϚϯε ͳɺ 8FCϑϨʔϜϫʔΫͰ͢ɻ Ҿ༻ݩIUUQTGBTUBQJUJBOHPMPDPN UJBOHPMPGBTUBQJ 'BTU"1*GSBNFXPSL IJHIQFSGPSNBODF FBTZUP 1ZUIPO

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What attracted me to the book? ࢲ͕ FastAPI ຊΛಡΜͰײͨ͡ັྗతͳ෦෼ʹ͍ͭͯ

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IMPRESSION ෆ۩߹ΛܕఆٛʹΑΓະવʹ๷͙ 1ZUIPO͸ʮܕώϯτʯͷ࢓૊ΈΛ͕࣋ͭɺಈతܕ෇͚ݴޠͰ͋ΔͨΊɺܕΤϥʔ͸ൃੜ͠ͳ͍ɻ   Ұํ'BTU"1*͸1ZEBOUJDͷྗʹΑΓɺ"1*ͷೖग़ྗʹ͓͍ͯόϦσʔγϣϯΛߦ͍·͢ɻ ͦͷͨΊɺϑϩϯτΤϯυͱ઀ଓͯ͠ಈ࡞֬ೝ͢Δલʹෆ۩߹Λݕ஌͢Δ͜ͱ͕Ͱ͖·͢ɻ   ࡢࠓܕΛ࢖༻ͨ͠։ൃ͕Ұൠతʹͳ͖ͬͯͨϑϩϯτΤϯυ։ൃͱ૬ੑ͕ྑͦ͞͏Ͱ͢ɻ

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IMPRESSION ϑϩϯτΤϯυͱͷڠۀΛεϜʔζʹ͢Δ࢓૊Έ ύεΦϖϨʔγϣϯؔ਺ͱϦΫΤετɾϨεϙϯεͷεΩʔϚΛఆٛͨ͠ஈ֊Ͱɺ4XBHHFS6*ͷυ Ωϡϝϯτͱ"1*ϞοΫ͕ࣗಈతʹఏڙ͞ΕΔͷͰɺૣ͍ஈ֊͔ΒϑϩϯτΤϯυͷ։ൃΛ։࢝͢ Δ͜ͱ͕Ͱ͖·͢ɻ ͦΕʹΑΓυΩϡϝϯτͷߋ৽࿙Ε΍ͦΕʹ൐ͬͯى͖Δ࣮૷ͷख໭ΓΛɺීஈͷ։ൃͷྲྀΕͰղফ ͢Δ͜ͱ͕Ͱ͖Δ࢓૊Έʹͳ͍ͬͯ·͢ɻ

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IMPRESSION อकੑΛߴΊ΍͍͢ΞʔΩςΫνϟʔ 'BTU"1*ຊͰ঺հ͞Ε͍ͯͨΞʔΩςΫνϟʔͳͷͰ͕͢ɺ3VCZPO3BJMTͱ͸ҧ͍ɺ$36%ͷॲཧ ͕3PVUFSʢ.7$ʹ͓͚Δ$POUSPMMFSʣ͔Β੾Γ཭͞Ε͍ͯ·ͨ͠ɻ ͦΕʹΑΓɺॲཧ΍ϩδοΫ͕ΧϓηϧԽͰ͖ΔͨΊɺ࠶ར༻ੑ͕޲্͠ɺͦΕʹ൐ͬͯςελϏϦ ςΟ΋޲্͢Δ͜ͱ͕Ͱ͖·͢ɻ .PEFM $POUSPMMFS 7JFX CRUD

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What did I fi nd odd in the book? ࢲ͕ FastAPI ຊΛಡΜͰ৽઱ʹײͨ͡෦෼ʹ͍ͭͯ

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IMPRESSION ࣗલͰΤΫηϓγϣϯΛฦ͢ඞཁ͕͋Δ 'BTU"1*ຊͰ͸ɺσʔλ͕ͳ͍࣌ʹ)551ΤΫηϓγϣϯΛฦ͢ॲཧΛࣗΒ࣮૷͍ͯ͠·ͨ͠ɻ   3VCZPO3BJMTͰ͸"DUJWF3FDPSE΍"DUJPO$POUSPMMFSͷ͓͔͛ͰɺࣗಈͰΤϥʔΛฦ͍ͤͯͨ ͷͰɺࣦ೦͠ͳ͍Α͏࣮૷͢Δඞཁ͕͋Δͱࢥ͍·ͨ͠ɻ 404 Not found…

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IMPRESSION ࣗ༝౓ͷߴ͍ઃܭ͕Մೳ 3VCZPO3BJMTʹ͸$P$ͱ͍͏ઃܭཧ೦͕͋Γɺ3BJMT8BZʹԊͬͨϓϩάϥϛϯάΛ͢Δ͜ͱͰɺ νʔϜ։ൃʹ͓͍ͯ༨ܭͳίϛϡχέʔγϣϯίετ΍υΩϡϝϯτ؅ཧίετͷൃੜΛ࠷খݶʹ͠ ͍ͯ·ͨ͠ɻ Ұํ'BTU"1*͸3VCZPO3BJMTͱൺ΂ͯɺࣗ༝౓ߴ͘ઃܭ͢Δ͜ͱ͕Ͱ͖ΔͨΊɺઃܭॻΛݴޠԽ͢ ΔͳͲͯ͠ɺνʔϜͰೝࣝΛἧ͑ͳ͕Β։ൃ͢Δඞཁ͕͋Δͱײ͡·ͨ͠ɻ ઃఆΑΓن໿ $P$ʢ$POWFOUJPOPWFS$PO fi HVSBUJPOʣ ࣗ༝౓ͷߴ͍ઃܭ

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Summary Rails ܦݧऀ͕ FastAPI ຊΛಡΜͰײͨ͜͡ͱΛ·ͱΊΔͱ…

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SUMMARY Rails ܦݧऀ͕ FastAPI ຊΛಡΜͰΈͯ… ɾෆ۩߹ΛܕఆٛʹΑΓະવʹ๷͙   ɾϑϩϯτΤϯυͱͷڠۀΛεϜʔζʹ͢Δ࢓૊Έ   ɾอकੑΛߴΊ΍͍͢ΞʔΩςΫνϟʔ   ɾࣗલͰΤΫηϓγϣϯΛฦ͢ඞཁ͕͋Δ   ɾࣗ༝౓ͷߴ͍ઃܭ͕Մೳ

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Recruitment ΤϯδχΞืूதͰ͢ʂ

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RECRUITMENT We are Hiring! εφοΫϛʔͰ͸ɺʮ͓΍ͭͱɺੈքΛ໘ന ͘ʯ͍ͯ͘͠ɺͦΜͳ׆ಈΛ࢓ࣄͱͯ͠औΓ૊ Έ͍ͨΤϯδχΞΛืू͍ͯ͠·͢ɻ IUUQTUFBNTOBRNFDPN εφοΫϛʔ࠾༻