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
Rails on Docker
Search
Daiki Hirakata
May 10, 2018
Technology
2
560
Rails on Docker
2018/5/10の表参道.rbで発表した資料です。
#omotesandorb
Daiki Hirakata
May 10, 2018
Tweet
Share
More Decks by Daiki Hirakata
See All by Daiki Hirakata
Firestoreコスト圧縮の旅
bigplants
0
40
Road to k8s
bigplants
0
270
Next Level Git
bigplants
0
630
AWSを使っているならOpsWorksでDevOpsしよう!
bigplants
1
1.7k
Other Decks in Technology
See All in Technology
〜『世界中の家族のこころのインフラ』を目指して”次の10年”へ〜 SREが導いたグローバルサービスの信頼性向上戦略とその舞台裏 / Towards the Next Decade: Enhancing Global Service Reliability
kohbis
2
1k
shake-upを科学する
rsakata
7
920
オフィスビルを監視しよう:フィジカル×デジタルにまたがるSLI/SLO設計と運用の難しさ / Monitoring Office Buildings: The Challenge of Physical-Digital SLI/SLO Design & Operation
bitkey
1
340
ABEMAの本番環境負荷試験への挑戦
mk2taiga
5
770
20250707-AI活用の個人差を埋めるチームづくり
shnjtk
6
4.1k
OpenTelemetryセマンティック規約の恩恵とMackerel APMにおける活用例 / SRE NEXT 2025
mackerelio
2
1.6k
【あのMCPって、どんな処理してるの?】 AWS CDKでの開発で便利なAWS MCP Servers特集
yoshimi0227
6
710
ビジネス職が分析も担う事業部制組織でのデータ活用の仕組みづくり / Enabling Data Analytics in Business-Led Divisional Organizations
zaimy
1
310
Delegating the chores of authenticating users to Keycloak
ahus1
0
180
Delta airlines®️ USA Contact Numbers: Complete 2025 Support Guide
airtravelguide
0
350
DatabricksにOLTPデータベース『Lakebase』がやってきた!
inoutk
0
150
AWS CDKの仕組み / how-aws-cdk-works
gotok365
10
860
Featured
See All Featured
Product Roadmaps are Hard
iamctodd
PRO
54
11k
Dealing with People You Can't Stand - Big Design 2015
cassininazir
367
26k
XXLCSS - How to scale CSS and keep your sanity
sugarenia
248
1.3M
Building Flexible Design Systems
yeseniaperezcruz
328
39k
Thoughts on Productivity
jonyablonski
69
4.7k
Improving Core Web Vitals using Speculation Rules API
sergeychernyshev
18
980
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
smashingmag
251
21k
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
194
16k
Building an army of robots
kneath
306
45k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
53
2.9k
A Modern Web Designer's Workflow
chriscoyier
695
190k
Faster Mobile Websites
deanohume
307
31k
Transcript
Rails on Docker @bigplants May 10th 2018 @Omotesando.rb
Who am I ? • Daiki Hirakata (36) • Software
Engineer • Main Programing Languages: PHP, Ruby • Primary interests: DevOps, Docker, Kubernetes, Microservice Architecture, GCP @bigplants
࠷ۙϥϯχϯά͡Ί·ͨ͠
ͪΐͬͱ͚ͩએ
ઈࢍ։ൃऀืूதʂ • ϓϩμΫτ໊: ALL-IN • اۀ׆ಈͰඞཁͳશͯͷ πʔϧ͕ೖ͍ͬͯΔ • Rails, Angular,
AWS • גࣜձࣾϏδωεόϯΫ άϧʔϓ
ݱࡏɺεςʔδϯάڥΛ ઈࢍKubernetesҠߦதͰ͢ɻ
ϩʔυϚοϓ • ։ൃ༻ίϯςφ४උ • ެ։༻ίϯςφ४උ • GKEʹσϓϩΠ <- ΠϚίί •
CI/CDύΠϓϥΠϯͷඋ ͍ͭͰ୭Ͱ͓खܰʹk8sΫϥελʹڥߏங&σ ϓϩΠͰ͖ΔΑ͏ʹ͢Δ
ࢦͤʂ ແݶεςʔδϯάͷ࣮ݱʂ
ࠓެ։ڥ༻ͷ Rails on Docker ͳΛ͠·͢ɻ × ΄΅dockerͷͰ͢ɻɻ
Rails appΛ docker build͢Δͱ͖
݁ߏΔ͜ͱ͋Δ • bundle install • npm install • rake bower:install
• rake bower:resolve • rake assets:precompile • And more tasks…
ނʹɺdocker buildʹ ͔͔࣌ؒΔ Լख͢Δͱover 10min
ߋʹΠϝʔδαΠζͷංେԽ Լख͢Δͱover 1.5GB
docker build1secͰૣ͍ ΄͏͕͍͍ git pushͷʹCIʹdocker build͍ͤͨ͞
docker image1MBͰܰ ͍΄͏͕͍͍ Google Container Registoryͷ ΞοϓϩʔυɺGKEͷσϓϩΠʹӨڹ͢Δ
docker build docker push git push kubectl apply get image
docker build docker push git push kubectl apply get image
Ϗϧυʹ͔͔࣌ؒΔͱ
docker build docker push git push kubectl apply get image
ΠϝʔδͷαΠζ͕σΧΠͱ
Ϗϧυͷ࣌ؒΛॖ͢Δʹʁ
ΩϟογϡΛ͏·͔ͭ͘͏
None
ΠϝʔδͷαΠζΛ͑Δʹ
·ͣඞཁͳͷΛશ෦ೖΕΔ
ཁΒͳ͍ͷΛআ ಉ͡Dockerfile
͏Ұίϐʔ ಉ͡Dockerfile
͜ΕͰΠϝʔδͷαΠζ͕ 1.5GB -> 500MB͘Β͍ʹʂ ※͋͘·ͰචऀͷڥͰͷͰ͢
Tips
docker buildͰڥมΛॻ ͖͑Δʹ
docker buildͰENVΛͤͳ ͍
--build-arg͕͑ͦ͏
ARGͰENVΛॻ͖͑Δ • docker build --build-arg RAILS_ENV=production --build-arg HOGE=fuga
ARGͷҐஔॏཁ
ARGͷҐஔॏཁ
RUNͰڥมΛૢ࡞͢Δ ͖Ͱͳ͍ • ͨͩͷshellͩͱ͍͏ࣄΛཧղ͢Δ
ϨΠϠ͕͔ΕΔͱͦΕͧΕ༰ྔΛ৯͏ɻͳΔ͘RUN·ͱΊΔ ͋ͱ͔Βআͯ͠Πϝʔδα ΠζมΘΒͳ͍
͘͠ɺ͖ͬ͞ग़͖ͯͨ Multi-stage buildͷςΫχο ΫͰ
docker history <image>ͰͲ ͜ͰαΠζ͕ΒΜͰΔ͔֬ೝ
σόοάͷͨΊʹ͍Βͳ͍ͷΛআ͢Δ લͷঢ়ଶͰ֬ೝͰ͖ΔΑ͏ʹεςʔδΛΘ ͚Δ • docker build --target <stage name> -t
<tag>
ࠓͷ·ͱΊ • ϏϧυߴԽͷҝʹΩϟογϡΛ͏·͓͘ ͏ • ΠϝʔδαΠζͷѹॖͷͨΊʹMulti-stage build͠Α͏