Slide 1
Slide 1 text
1
golang.tokyo #15
Մೳੑʹ
GoΛαʔϏεೖͯ͠
1΄Ͳͷ్தܦա
May 30, 2018
Yoshihiro Takahashi
Development Unit
Cluex Co.,Ltd.
Slide 2
Slide 2 text
$PQZSJHIU© $MVFY$P
-UE"MM3JHIUT3FTFSWFE 2
໊લ: ߴڮ Ղ (Takahashi Yoshihiro)
Github: @yoshi42662
Twitter: @yoshi_xxxxxiiii
# ॴଐ
גࣜձࣾCluex (Ϋϧʔ)
ࣗݾհ
# TODO
Go͖ͳͷʹ࠷ۙ৮Ε͍ͯͳ͍ʂ
# FIXME
ࣾͰ͋͝ͻ͛ۚͱݺΕΔ
Slide 3
Slide 3 text
$PQZSJHIU© $MVFY$P
-UE"MM3JHIUT3FTFSWFE 3
ࣗݾհ
Slide 4
Slide 4 text
ࢠҭͯʹΉϚϚୡͷҝͷʮࢠҭͯ૯߹ϝσΟΞʯ
ࢠҭͯʹؔ͢ΔΑ͋͘ΔΈ͔Βͪΐͬͱ໘ന͍ࢠҭͯΤϐιʔυɺ
·ͨ࢈්ਓՊݕࡧ·ͰΛൃ৴ɻ
ใΛൃ৴͢Δ͚ͩͰͳ͘ɺ࢈්ਓՊখࣇՊΫνίϛɺ
·͓ͨࢠ༷࿈ΕͰར༻͍͓͢͠ళͷใͳͲɺ
ͨͩͷϝσΟΞʹཹ·Βͳ͍ɺϚϚ͞Μ͕ʮຊʹཉ͍͠ใʯΛ
ൃ৴͢Δࢠҭͯ૯߹ϝσΟΞͰ͢ɻ
https://mamanoko.jp
4
Slide 5
Slide 5 text
ϚϚͷજࡏతͳΈΛղܾ͢ΔʮࢠҭͯΞϓϦʯ
· · ͷ ͯ
5
Slide 6
Slide 6 text
$PQZSJHIU© $MVFY$P
-UE"MM3JHIUT3FTFSWFE 6
Application
Ruby on Rails 5.1.4
React / Redux / Webpack
Infrastructure
AWS
Docker on ECS
ٕज़ελοΫ
· · ͷ ͯ
ࢠҭͯʹΉϚϚୡͷҝͷʮࢠҭͯ૯߹ϝσΟΞʯ ϚϚͷજࡏతͳΈΛղܾ͢ΔʮࢠҭͯΞϓϦʯ
iOS
Swift
Clean Architecture
Android
Kotlin
Clean Architecture
Architecture Components
API
Go / echo / GORM
Slide 7
Slide 7 text
7
ࣾʹ͓͚ΔGoݴޠͷಋೖࣄྫ 1
ωΠςΟϒΞϓϦ༻API
Slide 8
Slide 8 text
$PQZSJHIU© $MVFY$P
-UE"MM3JHIUT3FTFSWFE 8
ࣾʹGopher͍ͳ͍
Goྺ1िؒఔͰ࣮։࢝
3ϲ݄΄ͲͰॳϦϦʔε
GoͷϥΠϒϥϦબͼ͍͠
ࣾʹ͓͚Δ(Pݴޠͷಋೖࣄྫ
ωΠςΟϒΞϓϦ༻ APIΛϑϧεΫϥον
Go / echo / gorm
MVCΞʔΩςΫνϟ
firebase / Postgres / Elasticsearch
AWS ECS / Blue-Green Deployment
ߏ
Slide 9
Slide 9 text
$PQZSJHIU© $MVFY$P
-UE"MM3JHIUT3FTFSWFE 9
* ϑϧεΫϥονͰ։ൃ → αʔϏεೖͯ͠1ऑ
* ػೳՃͱϦϑΝΫλϦϯάΛͻͨ͢Β܁Γฦ͢
* ϓογϡ௨ͷόονʹΰϧʔνϯΛಋೖ
* ruby gemΛgoͰॻ͖͠
* ϧʔςΟϯάϨϕϧͰgo-cacheʹΑΔΩϟογϡ
ࣾʹ͓͚Δ(Pݴޠͷಋೖࣄྫ
͜Ε·Ͱʹओʹͬͨ͜ͱ
ΞϓϦAPIʹٻΊΒΕ͍ͯΔ͜ͱ
* jsonΛ͍͔ʹ͘ΫϥΠΞϯτฦ͔͢
Slide 10
Slide 10 text
$PQZSJHIU© $MVFY$P
-UE"MM3JHIUT3FTFSWFE 10
ػೳతཁ݅
* SQL4ճ → ࣌ؒܭࢉ → jsonม
→ σʔλྔ͕ଟ͘300~600ms / req. ͔͔Δ
* ͕มΘͬͨॠؒʹΩϟογϡΛexpire͢Δඞཁੑ
* ࠷খߏͰՄೳͳݶΓͷ্Λࢦ͢
ͬͨ͜ͱ
* go-cacheΛಋೖ (·ͩΩϟογϡαʔόʔཱͯͨ͘ͳ͍)
* routingϨϕϧͰͷΩϟογϡઃఆ͕Ͱ͖ΔΑ͏ʹͨ͠
* cacheΛอ࣋͢ΔࡍʹɺόΠφϦͰอଘ͢ΔΑ͏ʹมߋ
* ฏۉ 30ms / req. ·Ͱվળ
ࣾʹ͓͚Δ(Pݴޠͷಋೖࣄྫ
Slide 11
Slide 11 text
$PQZSJHIU© $MVFY$P
-UE"MM3JHIUT3FTFSWFE 11
݁Ռ
* ΫϥΠΞϯταΠυͷΤϯδχΞ͔Β͕ۤ͘Δ
→ LoadingදࣔΛ࣮ͨ͠ͷʹLoading͕ग़ͳ͍
ࠓޙ
* TickerΛͬͯࣄલʹϨεϙϯεΛΩϟογϡʹͤΔ
* singleflightͰಉ࣌ଟൃΞΫηεͷෛՙ؇
ࣾʹ͓͚Δ(Pݴޠͷಋೖࣄྫ
Slide 12
Slide 12 text
12
ࣾʹ͓͚ΔGoݴޠͷಋೖࣄྫ 2
Go on Rails
Slide 13
Slide 13 text
$PQZSJHIU© $MVFY$P
-UE"MM3JHIUT3FTFSWFE 13
Ruby on RailsͷΞϓϦέʔγϣϯͷߴෛՙϩδοΫ
→ ruby࣮ʹΑΔtextlint(ຊޠͷจࣈྻॲཧ)
→ ཁ্݅ɺΩϟογϡΛ༻Ͱ͖ͳ͍
→ appαʔόʔͷworker͕ॲཧதͣͬͱ༗͞ΕΔ
→ 60 sec. / req.
ࣾʹ͓͚Δ(Pݴޠͷಋೖࣄྫ
× ϒϥβଆͰॲཧͤ͞Δ
× αʔόʔϨε (AWS lambda etc.)
Slide 14
Slide 14 text
$PQZSJHIU© $MVFY$P
-UE"MM3JHIUT3FTFSWFE 14
→ ߴෛՙϩδοΫ෦ΛGo࣮ʹϦϓϨΠε
→ C༻όΠφϦʹมͯ͠Railsଆ͔Βffiܦ༝Ͱcall
→ 1sec. / req. ·Ͱվળ (60ഒͷ্)
ࣾʹ͓͚Δ(Pݴޠͷಋೖࣄྫ
Go࣮ + ffi (gem)
3VCZPO3BJMT
%#
#JOBSZ
(P࣮
⒏
⒏ ˞'PSFJHO'VODUJPO*OUFSGBDFͷུ
Slide 15
Slide 15 text
$PQZSJHIU© $MVFY$P
-UE"MM3JHIUT3FTFSWFE 15
8F`SFIJSJOH
͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠