Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
ドメインの本質を掴む / Get the essence of the domain
Search
Takumi Shotoku
November 14, 2024
Technology
2
260
ドメインの本質を掴む / Get the essence of the domain
【オフライン開催】Roppongi.rb #24
https://roppongirb.connpass.com/event/335196/
Takumi Shotoku
November 14, 2024
Tweet
Share
More Decks by Takumi Shotoku
See All by Takumi Shotoku
滅・サービスクラス🔥 / Destruction Service Class
sinsoku
7
2k
テストを書かないためのテスト/ Tests for not writing tests
sinsoku
1
220
"型"のあるRailsアプリケーション開発 / Typed Rails application development
sinsoku
9
2.6k
Let's get started with Ruby && Rails Tips
sinsoku
0
400
LTの敷居を下げる / Lower the threshold for LT
sinsoku
1
360
CircleCIの高速化🚀 / CircleCI faster
sinsoku
3
1.3k
Railsアプリと型検査 / Rails app and type checking
sinsoku
5
1.5k
💎のつくりかた 2023 / How to make gems 2023
sinsoku
2
370
Make tests run faster
sinsoku
2
700
Other Decks in Technology
See All in Technology
LangGraphを使ったAIエージェント実装
iwakiyusaku
1
160
AppSheet タスク管理アプリ 中級編
comucal
PRO
0
230
Autonomous Database - Dedicated 技術詳細 / adb-d_technical_detail_jp
oracle4engineer
PRO
4
8.1k
開発組織全体で意識するSLI/SLOを実装している話
zepprix
1
260
EC-CUBEはサーバレスで動かせるのか?
yukishimada
1
140
Kubernetesを手元で学ぼう! 初心者向けローカル環境のススメ
nayaaaa
PRO
2
790
心に火を灯すヒントは自分の中にある/The clue to lighting a fire in your heart is within you.
bitkey
1
120
エンジニア採用と 技術広報の実践/acaricsummit2025
nishiuma
1
190
UDDのすすめ
maguroalternative
0
580
AIは脅威でなくチャンス。 AIと共に進化するエンジニアの成長戦略 / geeksai-2025-spring
carta_engineering
0
410
いまから始めるAWS CDK 〜モダンなインフラ構築入門〜/iac-night-cdk-introduction
tomoki10
8
2.2k
単一の深層学習モデルによる不確実性の定量化の紹介 ~その予測結果正しいですか?~
ftakahashi
PRO
3
410
Featured
See All Featured
Measuring & Analyzing Core Web Vitals
bluesmoon
6
290
How to Think Like a Performance Engineer
csswizardry
22
1.4k
Typedesign – Prime Four
hannesfritz
41
2.6k
Performance Is Good for Brains [We Love Speed 2024]
tammyeverts
8
680
A Tale of Four Properties
chriscoyier
158
23k
Statistics for Hackers
jakevdp
797
220k
Designing for humans not robots
tammielis
250
25k
Optimising Largest Contentful Paint
csswizardry
34
3.1k
XXLCSS - How to scale CSS and keep your sanity
sugarenia
248
1.3M
We Have a Design System, Now What?
morganepeng
51
7.5k
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
33
2.1k
Keith and Marios Guide to Fast Websites
keithpitt
411
22k
Transcript
υϝΠϯͷຊ࣭Λ௫Ή Roppongi.rb #24 2024/11/14 1
ࣗݾհ • ໊લ: ਖ਼ಙ (aka: ਆ) • GitHub: @sinsoku (ը૾ӈ্)
• X: @sinsoku_listy (ը૾ӈԼ) • Railsྺ: 10͘Β͍ 2
Omotesando.rb ͷೋ࣍ձޙ 3
! LTͰͤΔωλΛ୳͢ 4
࠷ۙͷۀ • طଘͷ༷ΛௐΔ • ςʔϒϧߏΛѲ͢Δ • ERਤ ΛோΊΔ • υϝΠϯڥքΛߟ͑Δ
• ERਤ ͰςʔϒϧΛάϧʔϓԽ͢Δ 5
࣮ମؔ࿈ϞσϧʢERDʣ1 1 https://ja.wikipedia.org/wiki/ %E5%AE%9F%E4%BD%93%E9%96%A2%E9%80%A3%E3%83%A2%E3%83%87%E3%83%AB 6
ERਤΛѻ͏πʔϧͷհ 1. SchemaSpyʢੜʣ 2. dbdocs.ioʢੜʣ 3. MySQL Workbenchʢੜɾฤूʣ 4. pgAdminʢੜɾฤूʣ
5. dbdiagram.ioʢੜɾฤूʣ 7
rails-mermaid_erd ͷ͠ͳ͍2 2 https://speakerdeck.com/sanfrecce_osaka/rails-and-mermaid 8
SchemaSpy3 • Java • طଘͷDBʹଓͯ͠ੜՄ • HTMLͷϑΝΠϧΛੜ͢Δ • ! DockerΠϝʔδ͋Γ
• JREΛೖΕΔඞཁͳ͍ 3 https://schemaspy.org/ 9
͍ํ $ docker run -"network="host" -v "$PWD/output:/output" \ schemaspy/schemaspy:snapshot \
-t pgsql11 \ -db bootcamp_development \ -host localhost \ -u postgres \ -p postgres 10
11
12
13
dbdocs4 • Node.js, Web • طଘͷDBʹଓͯ͠ੜՄ • Ӿཡ੍ݶ͕Մೳʢύεϫʔυ, ϓϥΠϕʔτ ʣ
• ! " Λॻ͚Δ • ⚠ ϩʔΧϧڥͰӾཡͰ͖ͳ͍ 4 https://dbdocs.io/ 14
͍ํ $ npm install -g dbdocs $ dbdocs login $
dbdocs db2dbml postgres \ 'postgresql:/#postgres:postgres@localhost:5432/bootcamp_development' \ -%outFile=database.dbml $ dbdocs build database.dbml -%project bootcamp 15
16
17
18
MySQL Workbench • طଘͷDB͔ΒςʔϒϧใΛಡΈࠐΈՄʢMySQLͷΈʣ • ςʔϒϧΛάϧʔϓԽͰ͖Δ • ڞಉฤूͰ͖ͳ͍ • !
Λॻ͚Δʢ͔͠͠ " ౾දࣔʣ 19
20
pgAdmin 4 • طଘͷDB͔ΒςʔϒϧใΛಡΈࠐΈՄʢpgͷΈʣ • ςʔϒϧΛάϧʔϓԽͰ͖ͳ͍ • ڞಉฤूͰ͖ͳ͍ • !
Λॻ͚ͳ͍ 21
22
23
dbdiagram.io5 • schema.rb ͔ΒςʔϒϧใΛಡΈࠐΈՄ • ! ςʔϒϧΛάϧʔϓԽͰ͖Δ • ! ڞಉฤूͰ͖Δ
• ! " Λॻ͚Δ • ⚠ ϩʔΧϧڥͰӾཡͰ͖ͳ͍ 5 https://dbdiagram.io/ 24
25
͓·͚: The Top 6 Database Design Tools for 20246 6
https://vertabelo.com/blog/database-design-tools/ 26
ERਤʹ͍ͭͯৄ͍͠ਓ ͥͻޙ΄Ͳ͠·͠ΐ͏ 27