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Building frontend development environment and w...
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Hayato Koriyama
July 03, 2019
Programming
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Building frontend development environment and web performance monitoring
Hayato Koriyama
July 03, 2019
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Transcript
1 Building frontend development environment and web performance monitoring フロントエンド開発環境の構築とパフォーマンス監視
Mercari x Merpay Frontend Tech Talk vol.2
2 (Hayato Koriyama) Mercari JP Web Platform DevOps @nekobato
3 What is Mercari JP Web DevOps Agenda Why Web
DevOps? Building & Monitoring 02 03 01
4 What is Web DevOps? --
5 Mercari JP Web Re-architecture DevOps Members
6 Mercari JP Web Re-architecture Project Frontend + α (Backend
+ SET) Recent Mercari JP Web Team New technical stack
7 Mercari JP Web Re-architecture Project ViewDev (Frontend) + Backend
+ DevOps SSR Frontend GraphQL Server SSR Backend Server Session Server microservices Web Gateway New web team
8 ↓Frontend Engineer ↓UI Designer ↓BlockChain Engineer ↓Frontend Engineer Web
DevOps
9 Mercari JP Web Frontend Stack
10 Mercari JP Web DevOps Stack microservice platform
11 Why DevOps?
12 Developers working on... - Develop features - Make local
development environments - Configure error tracking - Configure logging system - Configure performance monitoring - Maintenance CircleCI jobs - Make deploy pipeline - …and so on
13 Why DevOps? To focus on development
14 Web Re-architecture DevOps
15 Web Re-architecture DevOps
16 Frontend DevOps Toolset E2E Performance Monitoring Frontend Error Tracking
Build Development Environment
17 In CircleCI, workflow add a comment to each Pull
Request DevTools
18 Storybook static files per Pull Request https://[ internal Website
]/[Repository name]/[Pull Request Number]/storybook AWS S3 Push Commit Build Storybook Upload Assets
19 Bundle Analyzer per Pull Request
20 Bundle Analyzer per Pull Request https://[ internal Website ]/[Repository
name]/[Pull Request Number]/analyze/server https://[ internal Website ]/[Repository name]/[Pull Request Number]/analyze/client AWS S3 Push Commit Build Storybook Upload Assets
21 Check Modules License
22 Check Vulnerability
23 Monitoring
24 Calibreapp
25 Calibreapp - First Meaningful Paint - Speed Index Alert
threshold: 20% slower than recent Mercari JP Web (measured at 2019-02-18) https://timkadlec.com/2014/01/fast-enough/ SLI/SLO
26 Alert from the outlier Calibreapp
27 Calibreapp - Caused from the new feature - Our
network incident - Issues on Calibreapp This alert is...
28 Calibreapp - Snapshot per hour - Extract median of
recent 14 snapshots - Alert if the median exceeds the threshold Extract median of recent 14 snapshots
29 Calibreapp Carousel...
30 Sentry Error tracking service
31 Sentry - Sentry ⇔ JIRA Issue Link - Slack
alert notification - An issue is first seen - An issue is seen more than N times in 1m
32 Sentry workflow 1. Sentry notification 2. On-call member create
a ticket 3. Assign a member to ticket
33 Support & Knowledge for after release - On-call training
for members - Describe Design Doc
34 Conclusion microservice platform