家族のためにエンジニアとしてやってみたこと(what i did for my family as an...
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家族のためにエンジニアとしてやってみたこと
Kazuya NUMATA / 沼田 一哉 @kaznum#ldd13is
What I did for my Family as an Engineer
http://www.flickr.com/photos/aigle_dore/6826909042/
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こんにちは
•ぬまた かずや( @kaznum )My name is Kazuya Numata.
•株式会社エストコスモで
プログラマしています。I work for ESTCOSMO Co., Ltd as a programmer.
•妻と息子(1歳5ヶ月)の3人暮らしI have a wife and a baby (17 months old).
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家計簿 さな太郎Web Household Account Book - SANATARO -
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Kakeibo SANATARO
•source code: github.com/kaznum/sanataro
•demo:http://sanataro.herokuapp.com
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作ったきっかけ- motives
•結婚当初、米国CA在住のインフラエンジニア 兼 プログラマ
• 家計管理が必須(海外で餓死とか)
•約1年間、妻と「小槌」を使用•当時、ちょっと問題が・・・
We lived in Southern California, U.S. when getting married, where I had worked as an infrastructure engineer and programmer.
At that time, I had kept the household account book with KOZUCHI, but there were several problems around it....
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Dec 2007
「 俺が作ってやる!」(キリッ
“Don’t worry! I will make it for you!” ;-)
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Then...
•終業後に家で少しずつ作業し、1ヶ月で最低限の機能を作成
I implemented them, and deployed them directly each time.
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Jan 2008
妻「すごいね!超ステキ! あなた、こんなの作れるのね♥♥♥♥」
Wife: “Cool! It’s exciting that you can make such a thing!”
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僕(ドヤッ
Jan 2008
Me: (a smug face)
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妻に褒められた♥瞬間
I won praise from her.
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自分の職業スキルで家庭内の問題を一つ
解決した瞬間
It was the moment when my practical skill resolved a problem of our family.
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家族に自分の仕事を
知ってもらえた瞬間
※ 妻の職業は別業種
It was the moment when she knew about my occupation.(*She works for the different field.)
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What happened
•妻(ユーザー)がそばにいるので、フィードバックが速い。(Quick feedback)
•自分と妻が欲しい機能を優先して実装。(What we wanted got Higher priority)
•ニーズの変化に応じてスケジュールや優先順位を変える。(Flexible priority and schedule)
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This is
Agile や!!Saturday, January 26, 13
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今でも、機能追加・変更を続けています。
Sanataro has been improved, and hope so in the future.
Continuously,
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これ、重要This is SO IMPORTANT!
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流行りものを使うと
•Ruby on Railsは頻繁にバージョンアップする。
Ruby on Rails has been updated frequently.
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常に手を入れ続ける
•しばらく放置しておくとRailsの新機能や変更に追従できなくなる• Railsのセキュリティホールが報告されちゃったり(find_by_* のSQL Injectionとか)
We cannot keep track of the changes without continuous touch...Sometimes, the vulnerabilities are reported...
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How can we check the correctness for every migrations?
バージョンアップ時の
検証は・・・?
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Continuous Integration
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さな太郎でのCI
•Automatic Test: RSpecCucumberCapybara•CI environment:
Travis-CISaturday, January 26, 13
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さな太郎でのCI
•とにかく最初はTDD&テスト無双•simplecov、rcovでカバレッジチェックなど。
• Railsの新しいバージョン適用後に、手元でrspec、cucumberを実行• githubにpushすると同時に、Travis-CIで、同じテストを複数の環境で実行
Travis-CI supports lots of kinds of environment.
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さな太郎でのCI
同じテストを
複数の環境で実行
Travis-CI supports multiple environments.
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さな太郎でのCI
•Ruby 1.9.2•Ruby 1.9.3•JRuby 1.7
•SQLite3•PostgreSQL•MySQL
「JRuby & SQL Server 2008」でもRSpecがPASS
×
Ruby DB
手動テストで確認するのは、無理Saturday, January 26, 13
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さな太郎が動作する環境•Linuxサーバ(EC2、VPS)•Mac OS X•*BSD•heroku•Windows自宅でも、クラウドでも、
導入環境を選ばない→ 多くの人に使ってもらえる!
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さな太郎が動作する環境
新しい環境で動作させたい場合は、まず、その環境で
RSpecとCucumberを実行
すれば、簡単に動作検証ができる。
At first, execute rspec and cucumber to check whether new environment is supported or not.
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Gain (Conclusion)
That is,
つまり
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Gain (Conclusion)
You can use SANATARO anytime, anywhere!
おまえらが使える家計簿ソフト作ったから、
使えやSaturday, January 26, 13
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Anyway,
家族で使えるソフトウェアを
作るのを、オススメします!!!
いいこといっぱいあるよ!
Anyway, I surely recommend that you create apps for your family. There are lots of good effects.
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One more,•家計簿さな太郎•github kaznum/sanataro
•是非、使ってみてください!
•Issue、Pull Requestお待ちしております!
Try Sanataro. I’m always waiting for post issues and pull-requests!
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Thank you :)
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