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あなたとKaigi on Rails / Kaigi on Rails + You
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Hiroshi Shimoju
October 10, 2025
Programming
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あなたとKaigi on Rails / Kaigi on Rails + You
Hiroshi Shimoju
October 10, 2025
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Transcript
͋ͳͨͱKaigi on Rails shimoju 2025/10/10 Kaigi on Rails 2025ࣄޙษڧձ
About • shimoju (Hiroshi Shimoju) • גࣜձࣾSmartHR ٕज़౷ׅຊ෦ ϓϩμΫτΤϯ δχΞ
• SmartHRͷ՝ۚج൫ͷ։ൃΛ୲ • shibuya.rbʹ͍·͢ • Blog: https://shimoju.jp/ • X: @shimoju_ • GitHub: shimoju
͋ͳͨͷKaigi on RailsͲ͔͜Βʁ
͋ͳͨͷKaigi on RailsͲ͔͜Βʁ • ॳͷKaigi on Rails 2020ͰεϐʔΧʔͱͯ͠ొஃ • ͜ΕΛ͖͔͚ͬʹӡӦʹΛ͔͚ͯΒ͍ɺ2021
͔ΒΦʔΨφΠβʔͱͯ͠׆ಈ • ʹࠓͰ6ճͷࢀՃ • ʹKaigi on Railsօۈʂʂʂ
ʮKaigi on Rails 2025͕ 2ճҎ্ͷࢀՃͩͬͨํʹΑΔLTʯ
ͱ͍͏͜ͱͰɺࢀՃऀͷҰਓͱͯ͠ ͜Ε·ͰΛ;Γ͔͑ͬͯΈ·͢
Kaigi on Rails 2020 ॳ
Kaigi on Rails 2020 • νʔϑΦʔΨφΠβʔͷokuramasafumi͞ΜͱҎલ͔ΒΓ߹͍ͰɺKaigi on RailsͷΛฉ͘ • ࣌ίϩφՒਅͬதɺϦϞʔτϫʔΫΛศརʹ͢ΔͨΊͷγϯάϧαΠϯΦϯ࣮ͷϓϩϙʔ
βϧΛఏग़ͨ͠ͱ͜Ζ࠾ • ʮշదͳϦϞʔτϫʔΫΛ࣮ݱ͢ΔͨΊʹʙRailsͰSSOΛ࣮ݱ͢Δ3ύλʔϯʯΛൃද
ΠνΦγτʔΫ • ʮܧঝͱϝλϓϩάϥϛϯάຬࡌͳΞϓϦέʔγϣ ϯίʔυͰΞΫγϣϯͱϑΟϧλʹ·ͳ͍ͨΊ ͷGemΛ࡞ͬͨʯby makicamel • ΈΜͳେ͖TracePoint • Kaigi
on Rails 2022ͷൃදͦ͏Ͱ͕͢ɺύϫʔͱ ͍ͰίʔυΛͳ͍͕͗ͯ࢟͘͠ҹతͰ͢
Kaigi on Rails 2021 2
Kaigi on Rails 2021 • ͜ͷ͔ΒΦʔΨφΠβʔͱͯ͠׆ಈ։࢝ • ຊ൪ΛΓ্͛ΔͨΊʹKaigi on Rails
_2021_ newͱ͍͏ϓϨΠϕϯτΛ։࠵ • ϓϨΠϕϯτ४උͷ৴ࢹͳͲΛ୲
ΠνΦγτʔΫ • ʮΫϩʔζͨͣ͠ͷαʔϏε͕Β͵ؒʹોͬͯ ͍ͨͷͰΫϩʔζ͖ͬͨ͠ʯby tricknotes • λΠτϧ͕ͣΔ͍ɻոஊతͳ໘ന͕͋͞Γ·͠ ͨ • ͜͏͍͏ฉ͚Δͷ͕Kaigi
on RailsΒ͔͠͞ͳͱ ࢥ͍ͬͯ·͢
Kaigi on Rails 2022 3
Kaigi on Rails 2022 • ΦʔΨφΠβʔ2 • ·ͩΦϯϥΠϯ։࠵
ΠνΦγτʔΫ • ʮsassc-railsΛར༻͍ͯ͠ΔզʑɺSassͷ @importͷඇਪԽΛͲͷΑ͏ʹΓӽ͍͑ͯ͘ ͔ʯby mh4gf • ςʔϚRailsͰͳ͍͚ͲRailsΞϓϦʹӨڹ͢ ΔඇਪԽΛͲ͏Γӽ͑Δ͔ɺͱ͍͏Ͱɺͱͯ Kaigi
on RailsΒ͍͠ൃදͩͬͨͱࢥ͍·͢
Kaigi on Rails 2023 4
Kaigi on Rails 2023 • ΦʔΨφΠβʔ3 • ͍ͭʹΦϑϥΠϯ։࠵ʂʂʂʂʂʂʂ • αςϥΠτձͷӡӦΛ୲
ΠνΦγτʔΫ • ʮSimplicity on Rails - RDB, REST and Rubyʯby
moro • Rails͕ಘҙͳઃܭͱԿ͔͔Β࢝·ΓɺͦΕʹ͏· ͘ΔͨΊͷΞϓϩʔνΛ͢ྲྀΕ͕ͱͯΑ͔ͬ ͨͰ͢ • ͜ͷൃදΛݟͯForm ObjectΛಋೖ͠·ͨ͠
Kaigi on Rails 2024 5
Kaigi on Rails 2024 • ΦʔΨφΠβʔ4 • ॻ੶ͷࣥච͕ՂڥΛܴ͓͑ͯΓɺ४උظؒʹ͋·ΓࢀՃͰ͖ͳ͔ͬͨͷ͕৺Γ • Hall
BlueձͷӡӦΛ୲
ΠνΦγτʔΫ • ʮσϓϩΠΛ͞ΕͨͷͰɺڭΘͬͨ௨Γʹσϓϩ Πͨ͠Βোʹͳͬͨ݅ ʙԶͷΒ͔͠Λӽ͑ͯΏ ͚ʙʯby izumitomo • λΠτϧ͕ͣΔ͍2ͭ •
ஸೡͳٕज़తௐࠪͱɺଞࣄۀ෦·ͰӨڹΛ͛ͯ՝ ղܾͨ྆͠໘ͰૉΒ͍͠ൃදͰͨ͠
Kaigi on Rails 2025 6
Kaigi on Rails 2025 • ΦʔΨφΠβʔ5 • εϙϯαʔνʔϜͱͯ͠ɺεϙϯαʔ֤ࣾͱͷ࿈བྷɺεϙϯαʔϒʔεͷӡӦΛ୲ • ϓϩϙʔβϧϨϏϡʔͷ࣌ظʹମௐΛ่͠ɺॳΊͯϨϏϡʔʹ࠳ં͠·ͨ͠…
ΠνΦγτʔΫ • ʮ2ॏϦΫΤετશ߈ུHANDBOOKʯby Shohei Mitani • 2ॏϦΫΤετͱ͍͏ςʔϚͰ͍ͬͯΔ͜ͱΒ ͳ͍͜ͱཏతʹฉ͚ͨͱಉ࣌ʹɺ͜ͷΓޱͰ ϓϩϙʔβϧΛग़͢ͷ͔ʙͦͷൃͳ͔ͬͨͱࢀ ߟʹͳΓ·ͨ͠
To be continued…
͋ͳͨͱKaigi on Rails • Kaigi on Railsͷ͓͔͛Ͱੈք͕͕ͬͨ5ؒͰͨ͠ • RailsWeb։ൃʹ·ͭΘΔݟ͚ͩͰͳ͘ɺίϛϡχςΟͱ͕ͯ͠Γ·ͨ͠ •
Kaigi on RailsεϐʔΧʔͱࢀՃऀͷΈͳ͞Μ͕͍ͳ͚ΕΓཱͪ·ͤΜ • དྷҎ߱ͥͻࢀՃ͍ͯͩ͘͠͞ʂϓϩϙʔβϧ͓͍ͪͯ͠·͢ʂʂ