新規プロジェクトのリードエンジニアになるために

2019/12/14 平成Ruby会議#01 登壇資料

Transcript

1. ৽نϓϩδΣΫτͷ
   ϦʔυΤϯδχΞʹͳΔͨΊʹ ,BPSV
   )PUBUF
   !QVSVOLBPSV 
   ฏ੒3VCZձٞ 
   IFJTFJSVCZLBJHJ
   1
2. อཱ
   ֜
   ,BPSV
   )PUBUF
   5XJUUFS
   !QVSVOLBPSV
   ϝυϐΞͱ͍͏ձࣾͷ
   ΤϯδχΞͰ͢
   ฏ੒ݩ೥ੜ·ΕͰ͢ ࣗݾ঺հ 2
3. ৽نϓϩδΣΫτͷϦʔυΤϯδχΞͷ໾ׂ 3 اըཱҊ࢓༷࡞੒ αʔϏεاը
   ࢓༷࡞੒
   ΫϥΠΞϯτͱͷ΍ΓऔΓ ٕज़બఆ1+5্ཱ͛ ٕज़બఆ
   ݟੵ΋Γ
   
   SBJMT
   OFX
   ίʔυͷن໿࡞੒ ϓϩδΣΫτ؅ཧ ਐḿ֬ೝ
   ใࠂ
   վળҊͷཱҊ
   όά਺ͷ؅ཧ ϝϯόʔڭҭɾධՁ
   ϝϯόʔڭҭ
   ධՁ
   ৽ϝϯόʔͷΞαΠϯ
4. ࠓ೔࿩͢͜ͱ 4 SBJMT
   OFX
   ʙ
   ։ൃͷيಓʹ৐Δ·Ͱʹඞཁͳ͜ͱΛ࿩͠·͢
   ‣ ϓϩδΣΫτͷੑ࣭ʹΑΔࠩ෼͕গͳ͍ͷͰɺ
   ࣄલ४උΛద༻ͤ͞΍͍͢
   ‣ ͜ͷϑΣʔζͷ଎౓ɾਫ਼౓͕ɺޙʑେ͖͘Өڹ͕ग़Δ
5. 5 ʮͳΜͰϦϑΝΫλϦϯά޷͖ͳΜͩΖ͏ʁʯ
6. 6 ޷͖ͳՊ໨ ࢉ਺ɹಛʹ৔߹ͷ਺ ‣ ܾ·ͬͨղ͖ํɾߟ͑ํ͕͋Δʢύλʔϯʣ
   
   
   ‣ ύζϧײ֮Ͱɺʮ͋ͯ͸ΊΔʯʮ͘Έ͋ΘͤΔʯ
   
   ύλʔϯʹ͍࣋ͬͯͨ͘ΊʹʮͻΒΊ͖ʯʮ࣮ݧʯΛߦ͏
   ࣗ෼ͳΓͷύλʔϯɾࢦ਑Λߏங͢Δ
   ‣ ͨ͘͞Μͷ໰୊Λղ͍ͯɺ
   ৽͍͠ύλʔϯΛֶͿɾ࢖͍ํΛशಘ͢Δ
   ࢖͍͜ͳͨ͠ύλʔϯͷྔɺ͍࣋ͬͯΔࢦ਑ͷਫ਼౓ͷߴ͕͞ɺ
   ૉૣ͘ਖ਼֬ͳճ౴Λಋ͘ ๻ͷੲ࿩͠·͢
7. ϦϑΝΫλϦϯά΋͍ۙͱ͜Ζ͕͋Δ 7 ‣ ͔֬Β͍͠ύλʔϯɾݪଇɾ੍໿΋͋Δ
   ྫ
   σβΠϯύλʔϯ
   
   40-*%ݪଇ
   
   -JOUFS
   ‣ ݪཧݪଇΛͦͷ··མͱ͠ࠐΊΔέʔε͸গͳ͍
   ʮͻΒΊ͖ʯʮ࣮ݧʯ͕ඞཁ
   ࣗ෼ͳΓͷύλʔϯɾࢦ਑Λߏங͢Δ
   ‣ ͨ͘͞ΜͷέʔεΛ௨ͯ͡ɺ
   ݪཧݪଇΛ࢖͍͜ͳ͍ͯ͘͠
   ࢖͍͜ͳͨ͠ύλʔϯͷྔɺ͍࣋ͬͯΔࢦ਑ͷਫ਼౓ͷߴ͕͞ɺ
   ૉૣ͘ਖ਼֬ͳίʔυΛಋ͘
8. ύλʔϯΛ࡞ΔϝϦοτ 8 ‣ εϐʔυΛ্͛Δ
   ‣ ࣭Λ্͛Δ
   ψέɾϞϨΛ๷͛Δ
   ୭͕΍ͬͯ΋ಉ͡Α͏ʹͳΔ ʮ৽نϓϩδΣΫτͷ্ཱ͛ʯʹ΋ɺ
   ύλʔϯԽΛద༻Ͱ͖ΔͷͰ͸ͳ͍͔
9. ৽نϓϩδΣΫτΛ
   يಓʹ৐ͤΔͨΊʹ४උ͢Δ͜ͱ 9
10. ϦʔυΤϯδχΞͷ͓࢓ࣄ 10 ‣ ॳظஈ֊ʢνʔϜϝϯόʔ͕ಈ͖ग़͢લʹ΍Δ͜ͱʣ
    ‣ SBJMT
    OFX
    ‣ ։ൃϧʔϧͷ࡞੒
    ‣ ίʔσΟϯάن໿
    ‣ ੩తղੳνΣοΫͷϧʔϧ
    ‣ ϥΠϒϥϦΞοϓσʔτͷස౓ νʔϜϝϯόʔ͕ಈ͖ग़͢લʹ͜͜·ͰऴΘΒͳ͍ͱɺ
    ͋ͱͰख໭Γ͕ൃੜ͢Δέʔε͕ଟ͍
    
    
    SBJMT
    UFNQMBUF
    
    ࣗ෼ͳΓͷ
    
    ίʔσΟϯάن໿
11. ϦʔυΤϯδχΞͷ͓࢓ࣄ 11 ‣ தظஈ֊ʢνʔϜϝϯόʔͱ։ൃதʹ΍Δ͜ͱʣ
    ‣ ઃܭɾػೳ։ൃ
    ‣ ෛ࠴ʹͳΓͮΒ͍ίʔυ΁
    ϨϏϡʔ΍ϦϑΝΫλϦϯά
    ‣ ͋ͱ͔Βࢀըͨ͠ਓʹ
    ఻ୡͰ͖Δ࢓૊Έͮ͘Γ
    
    
    ϦϑΝΫλϦϯά
    
    
    ύλʔϯͷ໌จԽ ෛ࠴ʹͳΓͮΒ͍ίʔυΛߏங͢ΔͨΊͷ࢓૊Έͮ͘Γ͕ඞཁ
12. ৽͍͠ϓϩδΣΫτΛ࡞Δલʹߦ͏ͭͷ͜ͱ 12 ‣ 
    SBJMT
    UFNQMBUF
    ‣ 
    ࣗ෼ͳΓͷίʔσΟϯάن໿
    ‣ 
    ϦϑΝΫλϦϯάύλʔϯͷ໌จԽ
13. 
    SBJMT
    UFNQMBUF 13 
    UFNQMBUFSC 3BJMT
    ΨΠυ
    IUUQTSBJMTHVJEFTKQSBJMT@BQQMJDBUJPO@UFNQMBUFTIUNM
    ࢀর generate(:scaffold, "person name:string") route "root to: 'people#index'" rails_command("db:migrate") after_bundle do git :init git add: "." git commit: %Q{ -m 'Initial commit' } end $ rails new project_name -m path/to/template.rb
14. 
    SBJMT
    UFNQMBUF 14 ๻ͷSBJMT
    UFNQMBUF
    ͷ঺հ
    IUUQTHJUIVCDPNIPUBUFLBPSVSBJMT@UFNQMBUF
    ‣ ෆཁͳϑΝΠϧͷ࡟আɾඞཁͳϑΝΠϧͷ௥Ճ
    ‣ ։ൃʹඞཁͳHFNΛɺ࠷ॳ͔Β(FNGJMFʹొ࿥͢Δ
    ‣ ߹ΘͤͯɺඞཁͳઃఆϑΝΠϧ΋σϑΥϧτͰ௥Ճ͢Δ
    ‣ ଘࡏ͢ΔDPOGJHϑΝΠϧʹɺ௥Ճ͍ͨ͠ઃఆΛͿͪ͜Ή
    ‣ ޙ͔Βઃఆ͕ඞཁͳ΋ͷ͸UPEPNEʹ·ͱΊΔ
15. 
    SBJMT
    UFNQMBUF 15 Rails.application.configure do (Ұ෦লུ) # N + 1͸໰౴ແ༻Ͱ500ը໘ʹભҠͤ͞Δ config.after_initialize do Bullet.enable = true Bullet.console = true Bullet.rails_logger = true Bullet.raise = true end end 
    DPOGJHFOWJSPONFOUTEFWFMPQNFOUSC # Install JavaScript dependencies system('bin/yarn') 
    CJOTFUVQSC
    / ͕͋ΔͱʹͳΔઃఆΛ௥Ճ
    SBJMT
    OFXͰࣗಈͰ࡞ΒΕΔ
    
    CJO഑ԼͷઃఆϑΝΠϧΛमਖ਼
    
16. 
    SBJMT
    UFNQMBUF 16 UFNQMBUFͷϝϦοτ
    ‣ ʮര଎ʯͰSBJMTͷ։ൃ؀ڥΛߏஙͰ͖Δ
    ‣ ࡞ۀͷൈ͚࿙Ε͕ͳ͘ͳΔ
    UFNQMBUFͷσϝϦοτ
    ‣ UFNQMBUFͷϝϯςίετ͕͔͔Δ
    ʢSVCZ΍SBJMTͷόʔδϣϯΞοϓ͝ͱʹඞཁʣ
17. 
    SBJMT
    UFNQMBUF 17 طଘͷϓϩδΣΫτΛίϐϖ͢Ε͹͍͍ͷͰ͸ʁ
    
    ‣ Կ͕ඞཁɾෆඞཁ͔൑ผ͢Δͷ͕೉͍͠
    ‣ ೥قͷܦͬͨϓϩδΣΫτͷϧʔϧΛ
    ৽͍͠ϓϩδΣΫτʹ࣋ͪࠐΉͷ͸ةݥ
    
18. 
    ࣗ෼ͳΓͷίʔσΟϯάن໿Λ࡞͓ͬͯ͘ 18 ίʔσΟϯάن໿Λ࡞ΔϝϦοτ
    ‣ ϨϏϡʔͰࢦఠ͢Δ಺༰ΛݮΒ͢
    ‣ ίʔυͷ࣭ΛߴΊΔ
    ‣ ϦϑΝΫλϦϯάʹ͔͔Δ࣌ؒΛݮΒ͢
19. 
    ࣗ෼ͳΓͷίʔσΟϯάن໿Λ࡞͓ͬͯ͘ 19 ωʔϜεϖʔεɾΫϥε໊Λ࠷ॳʹ౷Ұ͓͖͍ͯͨ͠
    ‣ 3BJMTϓϩδΣΫτ͸ɺͨ͘͞ΜͷΫϥε͕Ͱ͖΍͍͢
    ‣ ౷Ұ໋໊ͨ͠ϧʔϧ͕͋Δͱɺ
    ໊લ෇͚Λߟ͑Δίετ͕ݮΔɻ
    ·ͨɺྨࣅͷҙຯΛ࣋ͭΫϥεΛ୳͠΍͍͢
    ‣ Ϋϥε໊Λݟ͚ͨͩͰɺத਎Λ༧૝Ͱ͖Δ
    )PHF$SFBUPSΫϥε
    
    %#ʹอଘ͢Δ
    )PHF'PSNΫϥε
    
    WBMJEBUJPO΍CVJME·ͰͰอଘ͸͠ͳ͍
    
    ࢀߟ
    IUUQTHJTUHJUIVCDPNIPUBUFLBPSVGBEEGFFBG ҎԼͷ0CKFDUͷϧʔϧΛهࡌͯ͠·͢
    7JFX
    0CKFDU
    $PMMFDUPS
    0CKFDU
    
    2VFSZ
    0CKFDU
    4FSWJDF
    0CKFDU
    $SFBUPS
    
    6QEBUFS
    0CKFDU
    'PSN
    0CKFDU
    7BMJEBUF
    0CKFDU
    
    7BMVF
    0CKFDU
    1PMJDZ
    0CKFDU
20. 
    ϦϑΝΫλϦϯάύλʔϯͷ໌จԽ 20 ϦϑΝΫλϦϯάύλʔϯΛ໌จԽ͢ΔϝϦοτ
    ‣ ࠷ॳ͔ΒϦϑΝΫλϦϯά͕ෆཁͳίʔυΛ࣮૷͢Δ
    ‣ ϦϑΝΫλϦϯάʹ͔͔Δ࣌ؒΛݮΒ͢ ϦϑΝΫλϦϯά͕ಘҙʹͳΔͱɺʢதུʣѱ͍ίʔυΛॻ͘ͷΛ΍Ίɺ
    ѱ͍׳शʹै͏ͷΛ΍ΊɺϓϨϑΝΫλϦϯάΛ࢝ΊΔͷͩɻʢதུʣ
    ίʔυͷϦϑΝΫλϦϯά͸ɺίʔυΛॻ͘ͱ͖ʹͯ͠͸͍͚ͳ͍͜ͱɺ
    ୅ΘΓʹ͢΂͖͜ͱΛֶͿ্Ͱ࠷଎ͷํ๏ͷͭͳͷͩɻ %BWJE
    4DPUU
    #FSOTUFJO
    ஶʮϨΨγʔίʔυ͔Βͷ୤٫ʯΑΓ
21. 
    ϦϑΝΫλϦϯάύλʔϯͷ໌จԽ 21 ϦϑΝΫλϦϯάύλʔϯͷྫ
    ‣ DPODFSOͷ࢖͍ॴͱআڈ͢Δํ๏
    !XJMMOFU͞Μʮ$PODFSOT
    BCPVU
    $PODFSOTʯ
    IUUQTTQFBLFSEFDLDPNXJMMOFUDPODFSOTBCPVUDPODFSOT
    ‣ 'PSN
    0CKFDUΛ࢖͏ํ๏
    ϝυϐΞ։ൃϒϩάʮGPSN
    PCKFDUΛ࢖ͬͯΈΑ͏ʯ
    IUUQTUFDINFEQFFSDPKQFOUSZ
    ‣ 'BU
    .PEFMΛ୤٫͢Δํ๏
    ʮ'BU
    .PEFMʹରॲ͢ΔͭͷϦϑΝΫλϦϯάύλʔϯʯ
    IUUQTTQFBLFSEFDLDPNIPUBUFLBPSVGBUNPEFMOJEVJDIVTVSVUVGBMTFSJIVBLVUBSJOHVQBUBO
22. ৽نϓϩδΣΫτͷϦʔυΤϯδχΞʹͳΔͨΊʹ
    ‣ 
    SBJMT
    UFNQMBUF
    SBJMT
    OFXͷ͋ͱɺʮര଎ʯͰʮϞϨͳ͘ʯඞཁͳઃఆ͕Ͱ͖Δ
    ‣ 
    ࣗ෼ͳΓͷίʔσΟϯάن໿
    ‣ 
    ϦϑΝΫλϦϯάύλʔϯͷ໌จԽ
    ϨϏϡʔʹॻ͚Δ࣌ؒΛݮΒ͠ɺίʔυͷ࣭Λ্͛Δ ·ͱΊ 22
23. ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ 23