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
5分でわかった気になるDDD
Search
Sponsored
·
Ship Features Fearlessly
Turn features on and off without deploys. Used by thousands of Ruby developers.
→
dora56
January 24, 2019
Technology
99
0
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
5分でわかった気になるDDD
dora56
January 24, 2019
More Decks by dora56
See All by dora56
Azure Container Apps 再入門
dora56
1
710
ASP.NET8 CoreでClean Architecture入門
dora56
1
980
C#で関数型プログラミング
dora56
1
1.4k
Pulumi de Azure IaC
dora56
0
160
Other Decks in Technology
See All in Technology
クラウド上のデータ復旧で見落としがちな制約: 医療系 SaaS の BCP 設計から得た教訓
kakehashi
PRO
0
3.5k
証券システムを10年Scalaで作り続けるということ - 関数型まつり2026
krrrr38
3
840
SRE Lounge Hiroshimaへの招待
grimoh
0
640
Control Planeで育てるBtoB SaaSの認証基盤 - SRE NEXT 2026
pokohide
1
2.3k
Data + AI Summit 2026 イベントレポート: 「AIがビジネスで意思決定するデータ基盤」へ
nek0128
0
120
AIと共生する開発者プラットフォーム:バクラクのモノレポ×マイクロサービス基盤
sakajunquality
2
3.5k
脱金融のフューチャー・デザイン / Future Design Beyond Finance
ks91
PRO
0
150
SREとQA 二人三脚で進めるSLO運用/sre-qa-slo
sugitak
0
540
キャリアの中で本を作る / Making a Book During Your Career
ak1210
0
140
Road to SRE NEXTの今までとこれから
hiroyaonoe
0
310
SRE本の知られざる名シーン / The Hidden Gems of Google SRE Book
nari_ex
1
380
知らん間に、回ってる
ming_ayami
0
570
Featured
See All Featured
Build your cross-platform service in a week with App Engine
jlugia
234
18k
Faster Mobile Websites
deanohume
310
32k
A Modern Web Designer's Workflow
chriscoyier
698
190k
Chrome DevTools: State of the Union 2024 - Debugging React & Beyond
addyosmani
10
1.3k
Building a Scalable Design System with Sketch
lauravandoore
463
34k
State of Search Keynote: SEO is Dead Long Live SEO
ryanjones
0
220
Building AI with AI
inesmontani
PRO
1
1.1k
Statistics for Hackers
jakevdp
799
230k
Self-Hosted WebAssembly Runtime for Runtime-Neutral Checkpoint/Restore in Edge–Cloud Continuum
chikuwait
0
650
Why Your Marketing Sucks and What You Can Do About It - Sophie Logan
marketingsoph
0
230
WENDY [Excerpt]
tessaabrams
11
38k
How to audit for AI Accessibility on your Front & Back End
davetheseo
0
460
Transcript
5Ͱ Θ͔ͬͨؾʹͳΔDDD by dora56
ࣗݾհ • dora56 • 25ࡀ • डୗ։ൃ • JavaͰαʔόʔαΠυͬͯ·͢
υϝΠϯۦಈઃܭ(DDD)ͱ ͳΜͩʁ
ͦͦυϝΠϯͱʁ
Domain(υϝΠϯ) 1. ྖɺྖ 2. ʢࣝɺࢥɺ׆ಈͳͲʣྖҬɺɺ…ք 3. ʢͷʣશॴ༗ݖ
DDD͕ҙຯ͢ΔυϝΠϯʁ ͯ͢ͷιϑτΣΞϓϩάϥϜɺͦΕΛ ༻͢ΔϢʔβͷԿ͔͠Βͷ׆ಈؔ৺ͱ͕ؔ ͋ΔɻϢʔβ͕ϓϩάϥϜΛదԠ͢Δ͜ͷର ྖҬ͕ɺιϑτΣΞͷυϝΠϯͰ͋Δɻ ―ΤϦοΫɾΤϰΝϯεͷυϝΠϯۦಈઃܭ
ͭ·Γ • ιϑτΣΞԽ͢ΔۀྖҬ • ձܭϓϩάϥϜͷυϝΠϯձܭͱࡒ • ιʔείʔυཧγεςϜͷυϝΠϯιϑτ ΣΞ։ൃͦͷͷ
͡Ό͋ɺྑ͍ιϑτΣΞΛ ࡞ΔʹυϝΠϯʹ͍ͭͯ Δඞཁ͕͋ΔΑͶ
υϝΠϯΛཧղ͢Δʹ ۀΛΑΓΑ͍ͬͯ͘Δ୲ ऀʢυϝΠϯΤΩεύʔτʣ ͕ඞཁ
։ൃऀͱ υϝΠϯΤΩεύʔτ͕ ڠྗ͢Δʹ
νʔϜͰڞ༗͢Δݴޠ υϝΠϯͷ༻ޠͷڞ௨ೝࣝ ʢϢϏΩλεݴޠʣ͕༗༻
͞Βʹ ڥք͚ͮΒΕͨίϯςΩετ Ͱ υϝΠϯϞσϧΛߏங
ڥք͚ͮΒΕͨίϯςΩετ ۜߦ ΞΧϯτޱ࠲ ձܭ ΞΧϯτצఆՊ ΞΧϯτͱ͍͏ݴ༿͕จ຺ʹΑͬͯҧ͏
ݴ༿ͷఆٛΛ͔ͬ͠ΓΔ
͜͜·Ͱ৭ʑઆ໌͚ͨ͠Ͳ ݁ہDDDͬͯʁ
DDDͱ • ։ൃऀͱυϝΠϯΤΩεύʔτͱҰॹʹυϝ ΠϯϞσϧΛ୳ٻ͠ɺڞ௨ͷݴ༿Λ͍ͳ͕ ΒιϑτΣΞΛൃల͍ͤͯ͘͞ઃܭख๏ • ྑ͍ιϑτΣΞઃܭΛ͢ΔͨΊͷҙࢥܾఆ ͷࢦͱͳΔϑϨʔϜϫʔΫ
ݴ͍͍ͨ͜ͱ
ྑ͍ιϑτΣΞΛ࡞Δʹɺ ٕज़͚ͩͰͳ͘ɺϏδωε αΠυͱڠྗ͠ͳ͕Β ઃܭ͍ͯ͘͜͠ͱ͕େࣄ
͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ