Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Sign up for free
Menu
Search
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Pricing
Search
Sign in
Sign up for free
あなたとKaigi on Rails / Kaigi on Rails + You
Search
Sponsored
·
Ship Features Fearlessly
Turn features on and off without deploys. Used by thousands of Ruby developers.
→
Hiroshi Shimoju
October 10, 2025
Programming
720
0
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
あなたとKaigi on Rails / Kaigi on Rails + You
Hiroshi Shimoju
October 10, 2025
More Decks by Hiroshi Shimoju
See All by Hiroshi Shimoju
プロダクト開発エンジニアからSREへの挑戦 / backend-engineer-and-sre
shimoju
0
1.6k
実践 Heroku Enterprise / Unite Heroku Enterprise
shimoju
0
260
Herokuで本番運用する技術 / Heroku production
shimoju
2
6.4k
ImageMagick実践入門 画像加工サーバを作ってみよう / ImageMagick and image server
shimoju
0
3.7k
Web開発研修 イントロダクション / Web development training introduction
shimoju
0
11k
データ分析その前に〜Redashでデータ可視化からはじめよう / Data visualization by Redash
shimoju
1
2k
iOSアプリのテストをやってみて考えたこと / Testing iOS app
shimoju
1
200
Other Decks in Programming
See All in Programming
S3 TablesのIcebergデータに、AIエージェントからアクセスしてみた / 20261016developersio2026joetsu-accessing-iceberg-in-s3tables-via-agent
kasacchiful
PRO
0
190
オーケストレーション記述言語 Katari
yukikurage
0
140
なぜCTOを降りてFDEを選んだのか?〜なぜプロダクト企業がFDEで顧客の現場に踏み込むのか〜
gonta
1
220
IBM Bob Dojo #1 仕様駆動開発入門
oniak3ibm
PRO
0
410
コードレビューのボトルネックを"する側"と"される側"の両面から解消する
yub0n
2
1.6k
Event is what happens
moro
2
1.2k
機械に任せるテスト、人が見るテスト ⽣成AIで引き直した、運⽤保守フェーズの線引き
dske104
0
200
半永久的に提供し続けられるプライベートクラウドを目指して ― 利用者の認知負荷を抑えるAPI抽象化とハードウェア世代交代の基盤設計
tomokon
0
510
Seven New Principles of Software Engineering
yegor256
0
160
AI-Powered Domain-Driven Design
ziobrando
0
180
Augmenting AI with the Power of Jakarta EE
ivargrimstad
0
300
Next.js: The final boss of Web Performance
guaca
0
300
Featured
See All Featured
More Than Pixels: Becoming A User Experience Designer
marktimemedia
3
570
Producing Creativity
orderedlist
PRO
348
41k
Done Done
chrislema
187
17k
Jamie Indigo - Trashchat’s Guide to Black Boxes: Technical SEO Tactics for LLMs
techseoconnect
PRO
0
710
"I'm Feeling Lucky" - Building Great Search Experiences for Today's Users (#IAC19)
danielanewman
230
23k
WCS-LA-2024
lcolladotor
0
900
Why Our Code Smells
bkeepers
PRO
340
58k
Ethics towards AI in product and experience design
skipperchong
2
440
RailsConf 2023
tenderlove
30
1.6k
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
141
35k
Principles of Awesome APIs and How to Build Them.
keavy
128
18k
AI Search: Where Are We & What Can We Do About It?
aleyda
0
8.1k
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