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
learning-cleanarchitecture-in-go
Search
Takashi Matsuyuki
February 28, 2019
Programming
0
200
learning-cleanarchitecture-in-go
Takashi Matsuyuki
February 28, 2019
Tweet
Share
More Decks by Takashi Matsuyuki
See All by Takashi Matsuyuki
新規事業立ち上げ、グロースで きちんと”デリバリー”も"ディスカバリー"も し続けられるアジャイル組織の作り方
applepine1125
2
2.1k
最後に勝つ負け方を知っておく
applepine1125
1
460
評価者を孤独にしない
applepine1125
15
5.9k
"OKR"と"野望"で、 メンバーと組織をアラインメントする
applepine1125
5
1.1k
君たちはどうユーザーと向き合うか
applepine1125
0
420
Self-Organizing Product Development Team: Empowered Output Cycle and Collaborative Culture
applepine1125
0
1.1k
オーナーシップを持ち自己組織化するチームに必要な Engineering Program Managerという役割
applepine1125
2
2.1k
Settlement simulation testing to ensure correct settlement processing
applepine1125
2
3.1k
goはwireでDIする
applepine1125
0
320
Other Decks in Programming
See All in Programming
GitHub Copilot and GitHub Codespaces Hands-on
ymd65536
2
140
Modern Angular with Signals and Signal Store:New Rules for Your Architecture @enterJS Advanced Angular Day 2025
manfredsteyer
PRO
0
190
Select API from Kotlin Coroutine
jmatsu
1
220
地方に住むエンジニアの残酷な現実とキャリア論
ichimichi
5
1.5k
第9回 情シス転職ミートアップ 株式会社IVRy(アイブリー)の紹介
ivry_presentationmaterials
1
260
Webの外へ飛び出せ NativePHPが切り拓くPHPの未来
takuyakatsusa
2
510
AI時代のソフトウェア開発を考える(2025/07版) / Agentic Software Engineering Findy 2025-07 Edition
twada
PRO
60
17k
なんとなくわかった気になるブロックテーマ入門/contents.nagoya 2025 6.28
chiilog
1
260
Discover Metal 4
rei315
2
120
A2A プロトコルを試してみる
azukiazusa1
2
1.3k
設計やレビューに悩んでいるPHPerに贈る、クリーンなオブジェクト設計の指針たち
panda_program
6
1.9k
Result型で“失敗”を型にするPHPコードの書き方
kajitack
5
590
Featured
See All Featured
Large-scale JavaScript Application Architecture
addyosmani
512
110k
Creating an realtime collaboration tool: Agile Flush - .NET Oxford
marcduiker
30
2.1k
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
31
1.3k
KATA
mclloyd
30
14k
What's in a price? How to price your products and services
michaelherold
246
12k
Thoughts on Productivity
jonyablonski
69
4.7k
ReactJS: Keep Simple. Everything can be a component!
pedronauck
667
120k
Practical Orchestrator
shlominoach
188
11k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
marktimemedia
31
2.4k
Improving Core Web Vitals using Speculation Rules API
sergeychernyshev
17
950
Building a Modern Day E-commerce SEO Strategy
aleyda
42
7.4k
The Myth of the Modular Monolith - Day 2 Keynote - Rails World 2024
eileencodes
26
2.9k
Transcript
Go ͰֶͿClean Architecture ͓·͚: GoΛֶͿͨΊͷ͓͢͢ΊυΩϡϝϯτ
झࢫ(࠷ॳͷఆ) Go 㲗 CA GoΛ௨ͯ͠CAͷཧղΛਂΊΔ CAΛ௨ͯ͠GoͷཧղΛਂΊΔ
झࢫ(ࢿྉ࡞ͬͨ݁Ռ) Go → CA GoΛ௨ͯ͠CAͷཧղΛਂΊΔ CAΛ௨ͯ͠GoͷཧղΛਂΊΔ ޙΖʹ͓·͚Λ͚ͭ·ͨ͠
ΞδΣϯμ • Clean Architectureͱʁ • SOLIDݪଇ • CAͷϨΠϠʔߏ • ϨΠϠʔͷڥքɺӽڥ
• GoͰCA࠾༻͢ΔͱͲ͏ʁ • GoΛษڧ͢ΔͳΒ͜ΕಡΜͲ͚
αϯϓϧΞϓϦέʔγϣϯ TODOΞϓϦΛఆ UserใͱTaskใΛฦ͢APIαʔό ϦϙδτϦ: https://github.com/applepine1125/learning- cleanarchitecture-in-go ઈࢍվળத 13डத
෮श ΞʔΩςΫνϟͱʁ
ΞʔΩςΫνϟͷత ॏཁͳํʹྗ͠ɺৄࡉͷܾఆΛΒͤΔ →มߋʹॊೈͳΞϓϦέʔγϣϯΛ࡞Δ ϏδωεϩδοΫ ํ ϑϨʔϜϫʔΫɺυϥΠό ৄࡉ ॏཁ େখ ଐਓੑ
େখ
෮श Clean Architectureͱʁ
ͳΜ͔͜Μͳਤͷͭ
CAͷతɺಛੑ • ϑϨʔϜϫʔΫඇґଘ • ςετՄೳ • UIඇґଘ • σʔλϕʔεඇґଘ •
֎෦ΤʔδΣϯτඇґଘ →ͭ·ΓৄࡉͱํΛΓ͍͢͠
CAΛߏ͢Δཁૉ • Ϟδϡʔϧείʔϓʹ͓͚Δ5ݪଇ • ίϯϙʔωϯτείʔϓʹ͓͚Δ6ݪଇ • ϨΠϠʔ • ֤ϨΠϠʔͷҙຯɺ •
ϨΠϠʔͷڥքͷҾ͖͔ͨɺӽڥͷ͔ͨ͠
CAΛߏ͢Δݪଇ • Ϟδϡʔϧείʔϓ (SOLIDݪଇ) • ୯Ұͷݪଇ (SRP) • ΦʔϓϯɾΫϩʔζυͷݪଇ (OCP)
• Ϧείϑͷஔݪଇ (LSP) • ΠϯλʔϑΣʔεͷݪଇ (ISP) • ґଘؔٯసͷݪଇ (DIP) ← Ұ൪ॏཁ
CAΛߏ͢Δݪଇ • ίϯϙʔωϯτείʔϓ (ڽूੑ) • ࠶ར༻ɾϦϦʔεՁͷݪଇ (REP) • ดੑڞ௨ͷݪଇ (CCP)
• શ࠶ར༻ͷݪଇ (CRP)
CAΛߏ͢Δݪଇ • ίϯϙʔωϯτείʔϓ (ؔ࿈ੑ) • ඇ॥ґଘؔͷݪଇ (ADP) • ҆ఆґଘͷݪଇ (SDP)
• ҆ఆɾநՁͷݪଇ (SAP)
CAΛߏ͢Δݪଇ • Ϟδϡʔϧείʔϓ • DIP ←Ұ൪ॏཁ • Ϟδϡʔϧείʔϓ • SRP,
OCP, LSP, ISP • ίϯϙʔωϯτείʔϓ(ڽूੑ) • REP, CCP, CRP • ίϯϙʔωϯτείʔϓ(ؔੑ) • ADP, SDP, SAP આ໌͠·͢ ࣗश
SOLIDݪଇ
୯Ұͷݪଇ “ϞδϡʔϧͨͬͨҰͭͷΞΫλʔʹରͯ͠ Λෛ͏͖Ͱ͋Δ”
୯Ұͷݪଇ ϙΠϯτ • มߋ͢Δཧ༝͕ඞͣڞ௨Ͱ͋Εɺ ڞ௨Ϟδϡʔϧͱͯ͠Γग़ͯ͠ྑ͍ ٯʹݴ͏ͱͲ͏ͳΔʁ
ΦʔϓϯɾΫϩʔζυͷݪଇ “ߏཁૉ֦ுʹରͯ͠։͍͍ͯͯɺमਖ਼ʹ ରͯ͠ด͍ͯ͡ͳ͚ΕͳΒͳ͍”
ΦʔϓϯɾΫϩʔζυͷݪଇ ϙΠϯτ • interfaceʹΑͬͯ৽͍͠ػೳΛ؆୯ʹ औΓೖΕΔ͜ͱ͕Ͱ͖Δ • ͋ΔϞδϡʔϧͷมߋͷӨڹ͕ଞͷ ϞδϡʔϧӨڹ͠ͳ͍
Ϧείϑͷஔݪଇ “SܕͷΦϒδΣΫτͷo1ͷ֤ʑʹɺରԠ͢ΔTܕͷΦϒδΣΫτo2͕̍ͭ ଘࡏ͠ɺTΛͬͯఆٛ͞ΕͨϓϩάϥϜPʹରͯ͠o2ͷΘΓʹo1Λ ͬͯPͷৼΔ͍͕มΘΒͳ͍߹STͷੜܕͰ͋Δͱݴ͑Δ”
Ϧείϑͷஔݪଇ ϙΠϯτ • ϞδϡʔϧΛஔՄೳͳঢ়ଶʹ͢Δ ΦʔϓϯɾΫϩʔζυͷݪଇͷ֦ுੑͷ༰ͱҰॹ
ΠϯλʔϑΣʔεͷݪଇ ϙΠϯτ • ຊདྷඞཁͱ͠ͳ͍ͷʹ·Ͱґଘ͠ͳ͍Α͏ ʹɺΠϯλʔϑΣʔεΛڬΜͰૄ݁߹ʹ͢Δ
ґଘؔٯసͷݪଇ • interfaceΛ༻͍ͯґଘؔΛٯసͤ͞Δ 6TFDBTF 3FQPTJUPSZ 42-)BOEMFS %*1ద༻લ %*1ద༻ޙ 6TFDBTF 3FQPTJUPSZ
42-)BOEMFS 3FQPTJUPSZ *OUFSGBDF 42-)BOEMFS *OUFSGBDF
ґଘؔٯసͷݪଇ ϙΠϯτ • มԽ͍͢͠ϞδϡʔϧΛࢀরɺܧঝɺ ΦʔόʔϥΠυɺ໊ࢦ͠Ͱࢀর͠ͳ͍ →CAͰϨΠϠʔΛ·͍ͨͰϞδϡʔϧΛ ࢀর͢Δͱ͖ʹॏཁʂ
CAͷతɺಛੑ • ϑϨʔϜϫʔΫඇґଘ • ςετՄೳ • UIඇґଘ • σʔλϕʔεඇґଘ •
֎෦ΤʔδΣϯτඇґଘ →ݪଇΛར༻͢Ε࣮ݱͰ͖ͦ͏ʁ վΊͯɾɾɾ
CAͷϨΠϠʔߏ
CAͷ֤ϨΠϠʔ • ΤϯςΟςΟ • Ϣʔεέʔε • ΠϯλʔϑΣʔεΞμϓλ • ϑϨʔϜϫʔΫɺυϥΠό
• ΤϯςΟςΟ • Ϣʔεέʔε • ΠϯλʔϑΣʔεΞμϓλ • ϑϨʔϜϫʔΫɺυϥΠό ϙΠϯτ ୯ํґଘͰ͋Δ
CAͷ֤ϨΠϠʔ ґଘ͞Ε͍ͯΔ ԁͷத ԁͷ֎ ґଘ͍ͯ͠Δ
ΤϯςΟςΟ • Ϗδωεࣗମͷ࠷ॏཁϧʔϧΛ·ͱΊͨͷ • γεςϜ͕webΞϓϦέʔγϣϯͱ͍͏ܗଶ Ͱͳ͔ͬͨͱͯ͠ଘࡏ͢Δใ
ΤϯςΟςΟ w ۀʹඞཁͳใ͕ೖͬͨߏମ w ඞཁͳใΛੜ͢ΔͨΊͷϝιου ྫTSDQLHEPNBJOVTFSHP
Ϣʔεέʔε • ΞϓϦέʔγϣϯݻ༗ͷϏδωεϧʔϧ ΛؚΉ • ΤϯςΟςΟͷϏδωεϩδοΫΛΈ߹Θ ͤͯ༻ɺ੍ޚ͢Δ
Ϣʔεέʔε ྫTSDQLHVTFDBTFUBTLJOUFSBDUPSHP w σʔλͷऔಘ SFQPTJUPSZ JOUFSGBDFΛૠ͢ w ӬଓԽ͢ΔͨΊʹUBTLͷใΛͬͯΞϓϦέʔγϣϯݻ༗ͷ σʔλͷܗʹม
ΠϯλʔϑΣʔεΞμϓλ • ϢʔεέʔεɺΤϯςΟςΟ͔ΒDBϑϨʔ ϜϫʔΫͳͲ͕͏ϑΥʔϚοτσʔλΛ ม͢Δ(ͦͷٯવΓ) • ೖྗɺग़ྗɺӬଓԽʹؔ͢ΔϞδϡʔϧ͕ॴ ଐ͢Δ
ΠϯλʔϑΣʔεΞμϓλ ྫTSDQLHJOUFSGBDFUBTLSFQPTJUPSZHP w ӬଓԽͷͨΊʹΫΤϦΛൃߦ͍ͯ͠Δ
ϑϨʔϜϫʔΫɺυϥΠό • ϑϨʔϜϫʔΫπʔϧͳͲͷίʔυͰ ߏ͞Ε͍ͯΔ • WebͷUIͳͲ͜͜
ϑϨʔϜϫʔΫɺυϥΠό ྫTSDQLHJOGSBTRMIBOEMFSHP w EBUBCBTFTRMϥΠϒϥϦΛ༻ w ԼҐͱଓ͍͢͠Α͏ʹXSBQ͢Δ
ϨΠϠʔͷڥքɺӽڥ
ϨΠϠʔͷڥքɺӽڥ ڥքͷҾ͖͔ͨ • γεςϜΛίϯϙʔωϯτʹׂ͢Δ • ݪଇɺϧʔϧΛݩʹ֤ϨΠϠʔʹྨ͢Δ • ґଘؔͷઢΛҾ͍ͯΈΔ
ϨΠϠʔͷڥքɺӽڥ ӽڥͷ͔ͨ͠ • DIPΛͬͯґଘͷ͖Λίϯτϩʔϧ͢Δ 3FQPTJUPSZ 6TFDBTF 6TFDBTF 3FQPTJUPSZ JOUFSGBDF 3FQPTJUPSZ
*OUFSGBDF"EBQUFS 6TFDBTF %*1ద༻લ %*1ద༻ޙ
ϨΠϠʔͷڥքɺӽڥ ӽڥͷ͔ͨ͠ TSDQLHVTFDBTFVTFSJOUFSBDUPSHP TSDQLHJOUFSGBDFVTFSDPOUSPMMFSHP ܕVTFDBTF6TFS3FQPTJUPSZ ࣮ࡍʹೖΕͯΔͷEBUBCBTF6TFS3FQPTJUPSZ
GoͰCA࠾༻͢ΔͱͲ͏ʁ
GoͰCA࠾༻͢ΔͱͲ͏ʁ ϥΠϒϥϦʹґଘ͗͢͠ͳ͍ • αʔυύʔςΟͷϥΠϒϥϦ͍͗ͣ͢ɺ͋͘ ·Ͱwrapperͱͯ͠͏ఔʹཹΊΔจԽ͕ ͋Δ • infraҎԼͷ֎෦ίϯϙʔωϯτͷӨڹ͕ গͳ͍ →֎෦ίϯϙʔωϯτͷมߋʹͭΑ͍
GoͰCA࠾༻͢ΔͱͲ͏ʁ MockͭΒ͍ • CAΛ࠾༻͢Δͱinterface͍ͬͺ͍ੜ͑Δ • ࣗ࡞interfacegoMockͳͲͰMockੜ HPMBOHNPDL IUUQTHJUIVCDPNHPMBOHNPDL
GoͰCA࠾༻͢ΔͱͲ͏ʁ ඪ४ύοέʔδΛMock͢Δʹɾɾɾʁ • ςετ͍ͨ͠ϥΠϒϥϦͷinterface, ߏମͱ ϝιου͕Ұக͢ΔinterfaceΛखݩͰ࡞Γ goMockͰMockੜ ͩΔ͍
CAͷ·ͱΊ
CA·ͱΊ ”ਤͷԁɺ֓ཁΛࣔͨ͠ͷͰ͋Δɻ͕ͨͬͯ͠ɺ͜ͷ̐ͭ Ҏ֎ʹඞཁͳͷ͋ΔͩΖ͏ɻͨͩ͠ɺґଘੑͷϧʔϧ ৗʹద༻͞ΕΔ” ”νʔϜͷنϝϯόʔͷεΩϧιϦϡʔγϣϯͷෳࡶ ͞ɺͦͯ࣌ؒ͠ͱ༧ࢉͷ੍ͳͲΛߟྀ͠Α͏” 3PCFSU$.BSUJO
CA·ͱΊ • νʔϜͰ߹ҙ͕औΕ͍ͯΕਖ਼ͳΜͰ ͍͍ͱࢥ͍ͬͯΔ • ԿΛୡ͍͔ͨ͠Λݟਾ͑ɺઌਓ͕ͨ͠ ݪཧݪଇνʔϜͷܦݧɺγεςϜͷಛੑɺ υϝΠϯࣝͳͲΛϑϧʹ׆༻ͯ͠ৗʹద ͳߏʹͳΔΑ͏ྗ͢Δ
CA͓͢͢ΊυΩϡϝϯτ w $MFBO"SDIJUFDUVSFɹୡਓʹֶͿιϑτΣΞͷߏͱઃܭ IUUQTXXXBNB[PODPKQEQ#'4#)47SFGEQLJOEMFSFEJSFDU @FODPEJOH65'CULS w ࣮ફΫϦʔϯΞʔΩςΫνϟ IUUQTOSTMJCDPNDMFBOBSDIJUFDUVSF w $MFBO"SDIJUFDUVSFͰ"1*4FSWFSΛߏஙͯ͠ΈΔ
IUUQTRJJUBDPNIJSPUBLBOJUFNTDGBDDBF
GoΛษڧ͢ΔͳΒ͜ΕಡΜͲ͚
GoΛษڧ͢ΔͳΒ͜ΕಡΜͲ͚ • ॳ৺ऀ w "5PVSPG(P IUUQTHPUPVSKQBQQTQPUDPNXFMDPNF w 1SPHBUF IUUQTQSPHDPNMBOHVBHFTHP
GoΛษڧ͢ΔͳΒ͜ΕಡΜͲ͚ • ॳ৺ऀ~தڃऀ w (PݴޠʹΑΔ8FCΞϓϦέʔγϣϯ։ൃ w (PͰଞͷษڧΛ͢Δ (PͳΒΘ͔ΔγεςϜϓϩάϥϛϯά (PݴޠͰͭ͘ΔΠϯλϓϦλ 3FBM8PSME)551
8SJUJOHdJO(Pܥ
GoΛษڧ͢ΔͳΒ͜ΕಡΜͲ͚ • தڃऀ~্ڃऀ w (PݴޠʹΑΔฒߦॲཧ w ϓϩάϥϛϯάݴޠ(P w ΈΜͳͷ(PݴޠʲݱͰ͑Δ࣮ફςΫχοΫʳ w
&⒎FDUJWF(P ӳޠ൛ɿIUUQTHPMBOHPSHEPDF⒎FDUJWF@HPIUNM ຊޠ൛IUUQHPMBOHKQF⒎FDUJWF@HP
GoΛษڧ͢ΔͳΒ͜ΕಡΜͲ͚ GoDocಡΊ
͓ΘΓ