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
startupでもrails使うなら これだけはやっとけ的 tips集
Search
Kazuhiro Serizawa
September 27, 2016
Programming
19
10k
startupでもrails使うなら これだけはやっとけ的 tips集
第一回スタートアップRails勉強会でLTしたスライドです
Kazuhiro Serizawa
September 27, 2016
Tweet
Share
More Decks by Kazuhiro Serizawa
See All by Kazuhiro Serizawa
Accelerating Machine Learning I/O by Overlapping Data Staging and Mini-batch Generations
serihiro
1
310
hpc170_slide.pdf
serihiro
0
66
画像解像度別ImageNetの100 iterationの合計処理時間比較
serihiro
0
110
深層ニューラルネットワークにおける訓練高速化のための自動最適化
serihiro
0
63
Introduction to Parallel Computing 2.2
serihiro
0
62
My summer internship result at Treasure Data 2018 #td_intern
serihiro
0
2.1k
つらくないコードレビューの運用
serihiro
43
20k
5分で分かるかもしれないjava8 Stream API
serihiro
1
2.3k
Other Decks in Programming
See All in Programming
Cache Strategies with Redisson & Exposed
debop
0
120
Designing Your Organization's Test Pyramid ( #scrumniigata )
teyamagu
PRO
5
1.9k
JSAI2025 RecSysChallenge2024 優勝報告
unonao
1
210
External SecretsのさくらProvider初期実装を担当しています
logica0419
0
180
Doma で目指す ORM 最適解
nakamura_to
1
150
LRパーサーはいいぞ
ydah
7
1.5k
クラシルリワードにおける iOSアプリ開発の取り組み
funzin
1
710
技術的負債と戦略的に戦わざるを得ない場合のオブザーバビリティ活用術 / Leveraging Observability When Strategically Dealing with Technical Debt
yoshiyoshifujii
0
150
リアーキテクチャの現場で向き合う 既存サービスの読み解きと設計判断
ymiyamu
1
160
Boast Code Party / RubyKaigi 2025 After Event
lemonade_37
0
280
私のRubyKaigi 2025 Kaigi Effect / My RubyKaigi 2025 Kaigi Effect
chobishiba
1
200
CursorとDevinが仲間!?AI駆動で新規プロダクト開発に挑んだ3ヶ月を振り返る / A Story of New Product Development with Cursor and Devin
rkaga
5
1.7k
Featured
See All Featured
We Have a Design System, Now What?
morganepeng
52
7.6k
Raft: Consensus for Rubyists
vanstee
137
6.9k
Principles of Awesome APIs and How to Build Them.
keavy
126
17k
Facilitating Awesome Meetings
lara
54
6.4k
10 Git Anti Patterns You Should be Aware of
lemiorhan
PRO
656
60k
GraphQLとの向き合い方2022年版
quramy
46
14k
Speed Design
sergeychernyshev
30
960
Performance Is Good for Brains [We Love Speed 2024]
tammyeverts
10
820
VelocityConf: Rendering Performance Case Studies
addyosmani
329
24k
GraphQLの誤解/rethinking-graphql
sonatard
71
11k
How STYLIGHT went responsive
nonsquared
100
5.6k
Building Better People: How to give real-time feedback that sticks.
wjessup
368
19k
Transcript
startupͰrails͏ͳΒ ͜Ε͚ͩͬͱ͚త tipsू Kazuhiro Serizawa @seri_k Toreta, Inc. қɿ͔ΜͨΜ Startup
Rails #1
About me • Kazuhiro Serizawa • github: :serihiro • work_at:
• work: :serverside engineer(rails) • like: %i(ruby java erlang c)
ࠓ͢͜ͱ • StartupͰਓ͕গͳͯ͘͜Ε͚ͩͬͱ͍ ͨํ͕͍͍ͱࢥ͏tipsΛ̎ͭ͠·͢ • ։ൃͱݴ͏͔ӡ༻ʹ͍ۙͰ͢
ͦͷ1 ModelͷValidation࠷ॳ͔ΒೖΕΔ • webΞϓϦ։ൃॳظ ʮ͜ͷϞσϧ༷ܾ·ͬͯͳ͍͔Β ɹ࠷ॳValidationແ͠ͰͱΓ͑͋ͣೖΕΑ͏ɻ ɹͪΖΜશΧϥϜNullڐՄͩΑͶˑʯ
class Reservation < ActiveRecord::Base end class CreateReservations < ActiveRecord::Migration def
change create_table :reservations do |t| t.integer :restaurant_id, null: true t.integer :number, null: true t.datetime :from, null: true t.datetime :to, null: true t.integer :status, null: true t.timestamps null: false end end end ͦͷ1 ModelͷValidation࠷ॳ͔ΒೖΕΔ
ͦͷ1 ModelͷValidation࠷ॳ͔ΒೖΕΔ • ͋Ε͔Β3͕ܦͬͨ… • ࠷ۙೖࣾͨ͠एऀᐌ͘ ʮͳΜͰ͜ͷϞσϧҰvalidation͍ͭͯͳ͍Μ͔͢ɻ TableʹNotNull੍ͳͯ͘Կ͢Δʹͯ͠nilνΣοΫ ඞਢ͡Όͳ͍͔͢ɻ ͢Ͱʹ9,000ສ݅Ϩίʔυ͋ͬͯࠓ͔Βmigration͢Δ
ͷΊͪΌͪ͘Όେม͡Όͳ͍͔͢ɻΞϗͰ͔͢ઌഐɻʯ
ͦͷ1 ModelͷValidation࠷ॳ͔ΒೖΕΔ • ҰෆదͳσʔλΛ࡞ΓࠐΜͰ͠·͏ͱޙ͔Β ͷमਖ਼͕ͬͬͭ͘͘͢͢͝͝Β͍ʂʂ • ͋ΔͷσϓϩΠޙɺ੍͕؇͔ͬͨ࣌ʹฆ Εͨมͳσʔλͷ͍ͤͰΤϥʔࡇΓʹͳͬͯ৭Μ ͳॴʹԼ࠲ͯ͠ճΔӋʹͳΔʢ࣮ʣ •
͔ͦ͠͏͍͏มͳσʔλ͕ೖ͍ͬͯΔͱ͍͏ࣄ ࣮࠷ॳ͔Β͍ͨਓؒʹ͔͔͠Βͳ͍ɻɻ
ͦͷ1 ModelͷValidation࠷ॳ͔ΒೖΕΔ • ͳͷͰ • Validationͷ༷͕ܾ·Βͳ͍΄Ͳཁ͕ܾ݅·Β ͳ͍͏ͪʹproductionʹೖ͠ͳ͍ • TableʹNot NullɺUnique੍Modelͷ
validationͱซͤͯͪΌΜͱઃఆ͢Δ ˞uniqueness: true͍ͱ؆୯ʹ͢Γൈ͚Δ
• productionͰΤϥʔग़ͯΔͷ์ஔ͢Δͱةͳ͍Α Ͷʔɺͱ͍͏ׂͱͨΓલͷ • ͔͠͠Τϥʔͷهɾཧ݁ߏΊΜͲ͍͘͞ • fluentdೖΕͯElasticSearchʹूΊͯkibanaͰݟ ΔʁESࣗୡͰӡ༻͢ΔʁͲ͏ͬͯΤϥʔ͕ ى͖ͨ͜ͱΛΔʁͲ͏ͬͯΤϥʔΛཧ͢Δʁ ͦͷ2
͓खܰʹΤϥʔΛݟ͑ΔԽ͢Δ
ͦͷ2 ͓खܰʹΤϥʔΛݟ͑ΔԽ͢Δ https://bugsnag.com
• railsͰൃੜͨ͠ྫ֎Λશ෦هͯ͘͠ΕΔ ͦͷ2 ͓खܰʹΤϥʔΛݟ͑ΔԽ͢Δ
• github,slackͱͷintegration͕Մೳ ͦͷ2 ͓खܰʹΤϥʔΛݟ͑ΔԽ͢Δ
• ηοτΞοϓgemೖΕͯgeneratorͰ initializerΛੜ͢Δ͚ͩ ͦͷ2 ͓खܰʹΤϥʔΛݟ͑ΔԽ͢Δ
·ͱΊ • validationޙ͔Β͖ͨएऀʹdisΒΕΔલʹ ೖΕ·͠ΐ͏ • bug؆୯ʹՄࢹԽͰ͖ΔͷͰ࠷ॳ͔ΒೖΕ ·͠ΐ͏
͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ • גࣜձࣾτϨλαʔόʔαΠυ(rails) ΤϯδχΞืूதͰ͢ʂ WantedlyͰʮτϨλʯͰݕࡧ