現場Rails活用ガイド-読んで書いて終わりじゃない！-/genba_rails_guide

「現場で使える Ruby on Rails 5速習実践ガイド」増刷記念 著者交流会の発表資料です

Transcript

1. %*7&*/50$0%&

   ʮݱ৔Ͱ࢖͑Δ3VCZPO3BJMT଎श࣮ફΨΠυʯ૿࡮ه೦ஶऀަྲྀձ
   !UBUTVPTBLVSBJ
   ݱ৔3BJMT
   ݱ৔3BJMT

   ׆༻ΨΠυ
   ᴷಡΜͰॻ͍ͯऴΘΓ͡Όͳ͍ʂᴷ
   

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2. ࣗݾ঺հ
   ᓎҪୡੜ!UBUTVP4BLVSBJ
   ສ༿3BJMTΤϯδχΞྺ೥ ສ༿औక໾
   <ݱ৔Ͱ࢖͑Δ3VCZPO3BJMT଎श࣮ફΨΠυ>
   ͷஶऀͷҰਓ
   ϖΞϓϩ͕޷͖
   

   ࠷ۙ%*$͞ΜͰ΋ϖΞϓϩͤͯ͞΋Β͍ͬͯ·͢
   
   %*$ଔۀੜ!VDIJOPLPUͱͷϖΞϓϩࢿྉ

   <ݱ৔Ͱ࢖͑ΔΏΔ͍ϖΞϓϩ>

   IUUQTTQFBLFSEFDLDPNUBUTVPTBLVSBJMJHIUQFBSQSPHSBNNJOH
   

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3. ΞδΣϯμ
   ݱ৔3BJMTʹ͍ͭͯ
   ݱ৔3BJMTͷഎܠ
   ݱ৔3BJMTΛಡΜͩޙʹ
   

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4. ݱ৔3BJMT
   ݱ৔Ͱ࢖͑Δ3VCZPO3BJMT଎श࣮ફΨΠυ
   

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5. ݱ৔3BJMT
   ݱ৔Ͱ࢖͑Δ3VCZPO3BJMT଎श࣮ફΨΠυ
   ͓͔͛͞·Ͱ૿࡮ʂ
   ࡮Λॕͯ͠ϚΠφϏϒοΫε͞ΜͰ

   ಛయ1%'ͷҰ෦Λެ։
   IUUQTCPPLNZOBWJKQQDCPPLCMPHEFUBJMJE
   
   
   
   

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6. ࠓ೔དྷͯΔஶऀ
   େ৔ೡࢠ দຊ୓໵ খࣳඒ༝ل ᓎҪୡੜ
   

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7. ݱ৔3BJMT͕ॻ͔ΕͨܦҢ
   ϚΠφϏग़൛ͷҏࠤ͞Μ͔Βϝʔϧ
   ʢ ೥݄ʣ
   3BJMTΛֶͼ͍ͨਓ͕૿͖͑ͯͯΔ
   Θ͔Γ΍͘͢ஸೡͳຊ͕ཉ͍͠
   དྷ೥य़͘Β͍ʹग़൛Ͱ͖Ε͹ʜ
   

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8. https://everyleaf.com/
   ݱ৔3BJMTͷഎܠ
   

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9. ݱ৔3BJMTͷഎܠ
   גࣜձࣾສ༿3BJMTϓϩϑΣογϣφϧ
   ͍ΖΜͳݱ৔ͷ͓ख఻͍Λͯ͠೥Ҏ্
   3VCZ΍3BJMT΍։ൃνʔϜͰֶΜͩจԽ
   ͳΔ΂͘Θ͔Γ΍͘͢఻͍͖͍͑ͯͨ
   

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10. ݱ৔3BJMTͷഎܠ
    3BJMTͷຊ͸ͨ͘͞Μ͋Δ
    ࠓ·Ͱ͋·Γॻ͔Ε͍ͯͳ͍

    ։ൃݱ৔ͷ࿩Λॻ͖͍ͨ
    ͦͯ͠ݱ৔Ͱ࢖͍͍ͨʂ
    

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11. ࣥච༻TMBDLνϟϯωϧ։ઃ
    ϚΠφϏग़൛͞Μͱॳ.5(
    ʜࣥචظؒ໿೥ʜ
    ਖ਼ࣜʹߍྃ
    ߪೖಛయߍྃ
    ൃച
    ॏ൛ܾఆ
    ୈ࡮ൃߦ
    ݱ৔3BJMTλΠϜϥΠϯ
    

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12. ͔͜͜Β

    ͋ͳͨͷϨʔϧΛ

    ৳͹ͯ͠΋Β͑Δ

    ͖͔͚ͬͱͳΕͨΒ

    ͏Ε͍͠Ͱ͢
    
    ݱ৔3BJMT

    3BJMTΛ࢖ͬͨ8FCΞϓϦέʔγϣϯ։ൃͷ࠷ॳͷϨʔϧ
    

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13. ݱ৔3BJMTΛಡΜͩޙʹ
    3BJMTΛֶͼ࢝Ίͨํ͔ΒΑ͘ड͚Δ࣭໰
    l3BJMTҎ֎ʹͳʹΛ
    ֶͿͱ͍͍Ͱ͔͢ʁz
    

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14. ઙ͘޿͘͸ඇޮ཰
    ʜͳʹΛ͍͔ͨ͠ɺͲ͏ͳΓ͍͔ͨʹ΋ΑΓ·͕͢ʜ
    3VCZ΍3BJMTΛͪΌΜͱ࢖
    ͑ΔΑ͏ʹͳ͔ͬͯΒͷํ͕
    ଞͷݴޠΛֶͿͱ͖΋ޮ཰త
    

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15. 3BJMT͕࢖͑Δͱ͸ʁ
    $36%͕Ͱ͖ͨʁ
    ΞϓϦ͕࡞Εͨʁ
    ΧϦΩϡϥϜ͕ऴΘͬͨʁ
    

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16. $36%͕Ͱ͖ͨʁ
    ΞϓϦ͕࡞Εͨʁ
    ΧϦΩϡϥϜ͕ऴΘͬͨʁ
    3BJMT͕࢖͑Δͱ͸ʁ
    

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17. ݱ࣮ͷ໰୊Λղܾ͢Δ
    ຊ΍ϦϑΝϨϯε͚ͩͰ͸ݱ࣮ͷ໰୊͸ղܾͰ͖ͳ͍ʂ
    جຊΛ૊Έ߹ΘͤͨΓɺԠ༻ͨ͠Γʜ
    

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18. 3BJMTͰݱ࣮ͷ໰୊Λղܾ
    ࡞Γ͍ͨ΋ͷɺղܾ͍ͨ͠՝୊Λߟ͑Δ
    ઃܭ͢Δ
    ࣮૷͢Δ
    ӡ༻͢Δ
    վળ͢Δ
    

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19. ͙͢ʹ͸্ख͘Ͱ͖ͳ͍
    ΍Δͱ׳ΕΔ
    ஌Βͳ͍ˠ஌ͬͯΔ
    ஌ͬͯΔˠΘ͔Δ
    Θ͔Δˠ࣮ફͰ͖Δ
    ܇࿅͕ॏཁʂ
    

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20. 3BJMTΛखʹೃછ·ͤΔ
    ཪଆɾ࢓૊ΈΛ஌Δ
    3VCZ 3BJMT HFN 8FC )551 )5.- %# 001 3&45 FUD
    
    ߟ͑ΔɺखΛಈ͔͢
    ͦΕΒΛͨͷ͠Ή
    

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21. ͍͢͝ਓୡ͔ΒڭΘͬͨ͜ͱ
    ͍͢͝ਓୡ͸ɺ

    ͨ͘͘͢͝͞ΜͷίʔυΛಡΜͰ͍Δ
    ͨ͘͘͢͝͞ΜͷίʔυΛॻ͍͍ͯΔ
    ͨ͘͘͢͝͞ΜͷࣦഊΛ͍ͯ͠Δ
    ͨ͘͘͢͝͞ΜͷࠔΔ৔໘Λܦݧ͍ͯ͠Δ
    ͨ͘͘͢͝͞Μͷ޻෉ΛੵΈॏͶ͍ͯΔ
    

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22. ͍͢͝ਓୡ͔ΒڭΘͬͨ͜ͱ
    ΋ͬͱ

    ΍Γ͗ͯ͢

    ͍͍Μͩʂ
    

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23. ΋ͬͱʂ
    ΋ͬͱίʔυΛಡΉ
    ΋ͬͱίʔυΛॻ͘
    ΋ͬͱͨ͘͞Μࣦഊ͢Δ
    ΋ͬͱࠔΔ৔໘Λܦݧ͢Δ
    ΋ͬͱͨ͘͞Μ޻෉Λ͢Δ
    

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24. ΋ͬͱʂ
    ΋ͬͱಡΈ΍͍͢ίʔυʁ
    ΋ͬͱ଎͍ίʔυʁ
    ΋ͬͱૣ͘࡞Δʹ͸ʁ
    ΋ͬͱͨͷ͘͠։ൃ͢Δʹ͸ʁ
    ΋ͬͱ͍͍΋ͷΛ࡞Δʹ͸ʁ
    

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25. %*7&
    */50
    $0%&
    ΋ͬͱʂ
    

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26. ίʔυʹજΔίπ
    ʓ4QFDJBMɹ5JQT
    ɹɾCZFCVHͰσόοά
    ɹɾ#VOEMFSͰHFNͷத਎Λௐ΂Δ
    ɹɾ.FUIPETPVSDF@MPDBUJPOͰϝιουͷ࣮૷ՕॴΛ୳͢
    ɹɾ"DUJWF3FDPSE3FMBUJPOUP@TRMͰ42-Λ֬ೝ͠Α͏
    ʓ4QFDJBMɹ͓໾ཱͪϦϯΫू
    ɹɾ3VCZͷϦϯΫू
    ɹɾ3BJMTͷϦϯΫू
    ɹɾHFNͷϦϯΫू
    ɹɾ34QFDͷϦϯΫू
    

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27. ݱ৔3BJMT
    ݱ৔Ͱ࢖͑Δ3VCZPO3BJMT଎श࣮ફΨΠυ
    ͓͔͛͞·Ͱ૿࡮ʂ
    ࡮Λॕͯ͠ϚΠφϏϒοΫε͞ΜͰ

    ಛయ1%'ͷҰ෦Λެ։
    IUUQTCPPLNZOBWJKQQDCPPLCMPHEFUBJMJE
    
    
    
    

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28. ͱΓ͋͑ͣͲΜͳ͜ͱ͔Βʁ
    Α͘࢖͏΋ͷ͸֮͑Δ
    ศརͳಓ۩Λ஌Δ
    ࢖͏ස౓ͷߴ͍΋ͷ͸ɺεοͱ࢖͑ΔΑ͏ʹͯ͠
    ͓͘ͱ࢖͏ճ਺෼͓ಘ
    ύλʔϯΛ஌ͬͯ࢖͑ΔΑ͏ʹ͓ͯ͘͠ͱޮ཰త
    جૅΛ͔ͬ͠ΓݻΊΔʢԠ༻͸جૅͷ্ʣ
    

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29. جૅΛݻΊΔɾ۷ΓԼ͛Δ
    ຊͷ௨Γʹॻ͍ͯΈͯಈ͍ͨ
    ͪΐͬͱม͑ͯΈΔͱͲ͏ͳΔʁ
    ༧૝Ͳ͓ΓʁҧͬͨʁͳΜͰͩΖ͏ʁʁʁ
    3BJMTͷϝιου͸ͲΜͳ࣮૷ʹͳͬͯΔʁ
    ຊ΍ϦϑΝϨϯεʹॻ͍ͯ͋Δ͔Βಈ͘Θ͚͡Όͳ͍ɻ࣮૷͞Εͨ௨Γʹಈ͘

    3BJMT͸3VCZͰॻ͔Ε͍ͯΔͷͰɺ3VCZ͕Θ͔Δͱ3BJMTͷίʔυ͕ԿΛ͍ͯ͠Δͷ͔Θ͔ͬͯศརʂ
    

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30. ཪଆʹࢥ͍Λ஘ͤΔ
    ॻ͍ͯಈ͍ͨʂ··ʹ͍ͯ͠·ͤΜ͔ʁ

    ࣗ෼͕ॻ͍͍ͯΔίʔυɺ3BJMT͕ཪͰͳʹΛͯ͠
    ͘ΕͯΔ͔Θ͔Γ·͢ʁ
    ͲΜͳΫϥε͕࢖ΘΕͯΔ͔ҙࣝͰ͖ͯ·͢ʁ
    

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31. ݱ৔3BJMTͷ׆༻
    ຊʹॻ͍ͯ͋Δ͜ͱΛ͖͔͚ͬʹ
    ޷͖ͳͱ͜ΖɺؾʹͳΔͱ͜ΖΛ۷ΓԼ͍͛ͯ͘
    ͲΜͳΫϥεͷϝιουʁ
    ΫϥεϝιουʁΠϯελϯεϝιουʁ
    ۤखͳͱ͜Ζ͸ʁΑ͘࢖͏ͱ͜Ζ͸ʁԠ༻Ͱ͖Δʁ
    

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32. ݱ৔3BJMTͷ׆༻
    ݱ৔3BJMTʹॻ͍ͯ͋Δ͜ͱΛͨΊ͢
    ॻ͍ͯ͋Δ͜ͱΛͪΐͬͱม͑ͯಈ͔ͯ͠ΈΔ
    ཪଆͰͲΜͳ͜ͱ͕ى͖ͯΔ͔ௐ΂Δ
    3BJMTͷ࣮૷ΛΈΔ
    ݱ৔3BJMTΛಡΈฦ͢
    

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33. ݱ৔3BJMTͷಛయͷ׆༻
    3BJMTͷ࣮૷ΛΈͨΓɺཪଆͰͳʹ͕ىͬͯ͜Δ͔ௐ΂Δͷʹศར

    ɹɾCZFCVHͰσόοά
    ɹɾ#VOEMFSͰHFNͷத਎Λௐ΂Δ
    ɹɾ.FUIPETPVSDF@MPDBUJPOͰϝιουͷ࣮૷ՕॴΛ୳͢
    ɹɾ"DUJWF3FDPSE3FMBUJPOUP@TRMͰ42-Λ֬ೝ͠Α͏
    

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34. ਖ਼ղͷͳ͍ੈք
    ϓϩάϥϛϯάʹਖ਼ղ͸͋Γ·ͤΜ
    ਖ਼ղ͕͋ͬͯͦ͜ʹ޲͔͏ͱ͍͏΋ͷͰ͸ͳ͘
    ࣗ෼ୡͰਖ਼ղΛ࡞Γग़͍ͯ͘͠ϓϩηε
    

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35. ͔͜͜Β

    ͋ͳͨͷϨʔϧΛ

    ৳͹ͯ͠΋Β͑Δ

    ͖͔͚ͬͱͳΕͨΒ

    ͏Ε͍͠Ͱ͢
    
    ݱ৔3BJMT

    3BJMTΛ࢖ͬͨ8FCΞϓϦέʔγϣϯ։ൃͷ࠷ॳͷϨʔϧ
    

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36. ·ͱΊ
    

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37. ࣥච༻TMBDLνϟϯωϧ։ઃ
    ϚΠφϏग़൛͞Μͱॳ.5(
    ʜࣥචظؒ໿೥ʜ
    ਖ਼ࣜʹߍྃ
    ߪೖಛయߍྃ
    ൃച
    ॏ൛ܾఆ
    ୈ࡮ൃߦ
    ݱ৔3BJMTλΠϜϥΠϯ
    

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38. ݱ৔3BJMT
    ݱ৔Ͱ࢖͑Δ3VCZPO3BJMT଎श࣮ફΨΠυ
    ͓͔͛͞·Ͱ૿࡮ʂ
    ࡮Λॕͯ͠ϚΠφϏϒοΫε͞ΜͰ

    ಛయ1%'ͷҰ෦Λެ։
    IUUQTCPPLNZOBWJKQQDCPPLCMPHEFUBJMJE
    
    
    
    

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39. ͔͜͜Β

    ͋ͳͨͷϨʔϧΛ

    ৳͹ͯ͠΋Β͑Δ

    ͖͔͚ͬͱͳΕͨΒ

    ͏Ε͍͠Ͱ͢
    
    ݱ৔3BJMT

    3BJMTΛ࢖ͬͨ8FCΞϓϦέʔγϣϯ։ൃͷ࠷ॳͷϨʔϧ
    

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40. ࠓ೔དྷͯΔஶऀ
    େ৔ೡࢠ দຊ୓໵ খࣳඒ༝ل ᓎҪୡੜ
    

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41. େ৔ೡࢠ দຊ୓໵
    খࣳඒ༝ل ᓎҪୡੜ
    ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ

    ଓ͖͸ަྲྀձͰʂ
    

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