Sorah Fukumori (sorah)
Software Engineer
Also known as: sora_h, soraher, そらは, 福森空葉
Ruby committer and a Rubyist. Interested in web, distributed systems, and computer science.
Lives in Tokyo, Japan.
Identifications
Professional Experiences
Cookpad Inc.
Site Reliability Engineer
April 2012 - present
- Cookpad is the largest recipe sharing website in world.
-
Site Reliablity Engineering Team
May 2015 - Present- Site Reliablity Engineering Team (aka. Infrastructure Team) is responsible to site reliablity and aims to automate operations as much as possible, and keep the infrastructure up to date.
- I'm primarily working for our global platform as a SRE.
- I've achieved building the modern AWS infrastructure for the global platform.
Developer Productivity Team
April 2012 - April 2015- Developer Productivity Team (aka. development infrastructure, platform, 開発基盤) aims to improve developer experience (DX).
Building and maintaining internal tools, in-house platform, and dealing with technical debts...
- Starting 2015, we're migrating one big monolithic web application to microservices like architecture, many small applications.
- I developed Mamiya, Envchain at this team.
Works
ruboty-fastly
December 2017- Plugin for Ruboty a chat bot to chat-ops Fastly
clarion
December 2017- Web-based FIDO U2F helper for CLI operations (e.g. SSH logging in)
wifidiag
August 2017- Wi-Fi diagnostic page for debugging Wi-Fi on Cisco WLC
binpkgbot
December 2016- A tool to build Gentoo binpkg periodically, efficiently with systemd-nspawn
codily
June 2016- A tool to codificate a configuration of Fastly CDN in Ruby DSL.
acmesmith
February 2016- A simple, effective ACME client to use with many servers and a cloud.
- ACME Protocol is used at Let's encrypt for automating SSL certificate issuing. Acmesmith is the simplest client that works with several cloud providers for securing keys.
nginx_omniauth_adapter
September 2015- A Rack app to use Omniauth with nginx.
- nginx で omniauth を利用してアクセス制御を行う - クックパッド開発者ブログ
etcenv
April 2015- Tool to dump etcd keys as dotenv file or docker's env-file format.
etcvault
March 2015- Reverse proxy for etcd, but adding transparent encryption feature.
Mamiya
September 2014- Fast deployment tool using tarballs and serf. This is used for cookpad.com, a web application backed with 150+ app servers.
- Engineers in Cookpad can deploy within around 30 seconds for 150+ servers by this software.
- Scalable Deployments - How we deploy Rails app to 150+ hosts in a minute // Speaker Deck
Envchain
June 2014- Secure credentials in environment variable; set them from OS X's keychain.
- OS X キーチェーンから環境変数をセットするツールを作りました - クックパッド開発者ブログ
ec2nm
June 2014- DNS server that helps to resolve EC2 instance's IP address.
days
January 2013- Simple blog system built up with Sinatra, written in Ruby.
See more at my GitHub and my rubygems.org profile.
Talks
- Fastly in Cookpad, Fastly Yamagoya 2017 in Tokyo, on October 2017
- Keynote, Oedo RubyKaigi 06 in Tokyo at March 20th 2017
- Building infrastructure for our global service, Cookpad TechConf 2017 in Tokyo, at January 21st 2017
- acmesmith: An effective ACME client, http2study #8 in Tokyo, May 30th 2016
- Scalable Deployments - How we deploy Rails app to 150+ hosts in a minute, RubyConf 2014 in San Diego, on November 2014
- Scalable Deployments - How we deploy Rails app to 150+ hosts in a minute, RubyKaigi 2014 in Tokyo, on September 2014
- Parallel Testing World, RubyConf 2011 in New Orleans, on November 2011
Contributions
Ruby
Committer (developer)
February 2011 - present
- Contribute as a committer of Ruby programming language.
- Also participate as a member of official web site editorial team.
RubyKaigi 2017
Network staff (Wi-Fi)
September 2017
- Deployed a network and Wi-Fi for the conference called RubyKaigi 2017, held in September 2017 at Hiroshima, Japan.
- GitHub repo
- Blog post (Japanese)
ISUCON4
Organizer and problem writer
August 2014 - November 2014
- ISUCON is the famous performance tuning contest of Web applications in Japan. At 2014, ISUCON4 held and I, @mirakui, and @rosylilly were participated as organizer and problem writer.
- 4: ISUCON4 Postmortem - Admins Bar
Sinsai.info
Developer
March 2011 - December 2011
- Sinsai.info provided informations for victims of 3.11 Japan disaster.
- I re-built Twitter crawler to improve performance, and added location based search using GPS for mobile devices.
And more
- See more at my GitHub.
Skills, Expertises
- Programming Languages: Ruby, JavaScript and Go
- Frameworks: Ruby on Rails and Sinatra
- Databases: MySQL, Redis
- Markup Languages: Haml, Sass and HTML + CSS
- Systems: OS X, Debian, Ubuntu, CentOS, and Gentoo
- Networking: Cisco IOS, Juniper Junos, Ubiquiti Edgerouter; BIRd, strongSwan, iproute2; IP routing, IPv6, eBGP, OSPF ...
- Server Provisioning: Puppet, Itamae
- Platforms: Amazon Web Services
- Development Environment: Vim, git, GitHub
Honors and Awards
第 7 回 日本OSS奨励賞 (Japan OSS Contributors Award)
March 2012ISUCON5: 2nd place
September 2015 - November 2015- ISUCON is the famous performance tuning contest of Web applications in Japan.
- At ISUCON5 in 2015, our team 白金動物園 took 2nd place at the final round.
- http://diary.sorah.jp/2015/11/02/isucon5f
Affilications
Kyoto university Microcomputer Club (KMC)
Member, Sysadmin
August 2014 - present
- Participating for a project running AS (autonomous system) + eBGP in KMC network. (AS59128)
Education
Utsunomiya-shi Yohoku Junior High School '12
April 2009 - March 2012- 宇都宮市立陽北中学校
Appearances
WEB+DB PRESS Vol.69
An Interview
June 2012
- @ttmtmy interviewed me at WEB+DB PRESS Vol.69 "シューカツ女子ともよの会社訪問記 知りたい！あの人のはたらきかた"
Atmarkit
An Interview
April 2011
- Ruby開発の新メンバーは14歳の中学生！ (Japanese)