Rails 4.2→5.2アップデート

Rails 4.2を5.2にアップデートした時の流れをまとめました。

Transcript

1. Rails 4.2→5.2ʹ
 Ξοϓσʔτͨ͠ ງ઒ʢ@CASIXx1ʣגࣜձࣾπΫϧό
2. • ීஈ͸ʮcowcamoʯͱ͍͏ΞϓϦΛ։ൃͯ͠ ·͢ • αʔόαΠυ͸ɺRailsΛ࢖ͬͯ·͢
3. ࣮͸ͦΜͳʮcowcamoʯ ਺ϲ݄લ·Ͱ...
4. Rails 4.2!!!
5. Ruby 2.3!!!
6. ্͛ͳ͖Όʢ࢖໋ײʣ
7. gemͷΞοϓσʔτ
 ͔ͨ͜͠͠ͱͳ͍Μ͕ͩ...
8. ʙ४උฤʙ
9. ·ͣɺRubyΛ2.5ʹ্͛Α͏
 ʢ౰࣌ɺ2018೥11݄ࠒʣ
10. ্͛ͨ
 Τϥʔ͸ग़ͳ͔ͬͨ
11. ্͛Δ࣌ʹɺ
 ͍ͭͰʹRailsΞοϓσʔτ
 Ͱ΋࢖͑Δ΋ͷΛ༻ҙͨ͠
12. ಈ࡞֬ೝ߲໨ॻΛ࡞͓͍ͬͯͨ • ಈ࡞֬ೝͷγφϦΦΛ࡞Γ • ސ٬ͷಈ࡞Λ࠷௿ݶ୲อ͍ͨ͠ϥΠϯ • ۀ຿্ΫϦςΟΧϧͳՕॴ͸୲อ͍ͨ͠ͳ ͲΛఆٛ • ͦΕΛݩʹ߲໨ॻΛ࡞੒
13. ͱ͸͍͑ɺ
 ͜Ε͚ͩͰ͸৺΋ͱͳ͍...
14. ϦάϨογϣϯςετ΋
 ڧԽͤͶ͹
15. ϢχοτςετͷΧόϨοδΛ 80% ͙Β͍·Ͱ্͛ͨ
16. Issueࣄલ༻ҙ͠ͳ͖Ό
17. ͝ஸೡʹΞοϓάϨʔυΨΠυ͕
 ༻ҙ͞ΕͯΔͧʂ
18. ྔগͳw
20. ...ϦϦʔεϊʔτΛݟΑ͏
21. Issue༻ҙ • 5.0, 5.1, 5.2 ͷϦϦʔεϊʔτͱʮcowcamoʯͷ ίʔυΛൺֱͯ͠ɺରԠ͢΂͖issueΛ੾ͬͨ • ࠓճɺେྔʹissue͕ग़ͦ͏ͳͷͰɺ֤όʔδϣϯ ͱ༏ઌ౓ͰϥϕϧΛ࡞͓͍ͬͯͨʢ͜Ε͸ྑ͔ͬ ͨͰ͢ʂʣ • Rails5.0:MUST, Rails5.0:SHOULDΈ͍ͨͳ...
22. Αʔ͠ɺ্͛Δ͔ʔ
23. Rails 5.0
24. खॱ • Rails 5.0ʹ্͛Δ 1. ϦάϨογϣϯςετͰΤϥʔग़Δ 2. Issueʹ͢Δ 3. मਖ਼͢Δͷϧʔϓ • ࣄલ༻ҙͨ͠Issue΋ফԽ͍ͯ͘͠
25. ͜͜Ͱ෼͔ͬͨ͜ͱ...
26. ϦϦʔεϊʔτʹࡌͬͯͳ͍ มߋͰͨ͘͞ΜΤϥʔ͕ग़ͨ
27. ΍ͬͱফԽͨ͠ʂ
 ͱࢥ͍͖΍
28. ௚લͰ໰୊ൃੜ
29. Rails 4.2Ͱ࡞੒ͨ͠
 δϣϒΛ࢖͑ͳ͍
30. σγϦΞϥΠζͰ͖ͳ͍໰୊ • Rails 4.2ͷ࣌ʹδϣϒΛ
 ϚʔγϟϧγϦΞϥΠζ͍ͯͨ͠ • Rails 4.2ʹ͸͋ͬͯɺ5.0ʹ͸ͳ͍ΫϥεΛؚΊͯγϦ ΞϥΠζ͍ͯͨ͠ͷͰɺσγϦΞϥΠζ͢Δࡍʹɺ
 ఆ਺Τϥʔ͕ൃੜ • ActiveRecord::ConnectionAdapters::AbstractMysql Adapter::MysqlDateTimeͱ͔...
31. ղܾࡦ • δϣϒ • Rails 4.2ʹ͋ͬͯɺRails 5.0ʹ͸ͳ͍Ϋϥε ͸ɺμϛʔͰఆٛͨ͠ • 4.2ͷδϣϒΛফԽͨ͠Βɺ࡟আ
32. Rails 4.2͔Βෳ੡
33. ͍ͭʹϦϦʔεʂʂ
34. ੒ޭʂ ͔͠΋ϊʔΤϥʔͩͱ...!?
35. ଓ͍ͯ5.1ʂ
36. Rails 5.1
37. 5.1Ͱগۤ͠࿑ͨ͠Օॴ
38. uniq→distinctมߋ • ActiveRecordͱ
 ActiveRecord::ActiveRecord_Relationͷ
 uniqϝιου͕distinctϝιουʹมߋ͞Εͨ
39. uniq→distinctมߋ • ActiveRecord::ActiveRecord_Relation ͸Array ͷuniqϝιουΛҕৡ͍ͯ͠ΔͷͰɺ
 uniq→distinctʹ௚͠๨Εͯ΋ɺ
 NoMethodError͕ग़ͳ͍... • ·ͨɺArrayͰ͸Ҿ͖ଓ͖ɺuniqΛ࢖͏ͷͰɺ
 શͯdistinctʹ௚ͤ͹͍͍Θ͚Ͱ͸ͳ͍
40. Rails 5.2
41. image_tagͷมߋ͕...
42. image_tag໰୊ • CarrierWaveͷUploaderͬͯ͋Δ͡Όͳ͍Ͱ ͔͢
43. image_tag໰୊ • ࠓ·Ͱ͸ɺ
 image_tag(@image_uploader_object)Έ͍ͨ ʹ
 ΠϝʔδΞοϓϩʔυΦϒδΣΫτΛೖΕͯ΋ ͳΜ΍͔Μ΍ͯ͘͠Ε͕ͨɺͯ͘͠Εͳ͘ͳͬ ͨ
44. image_tag໰୊ • ۩ମతʹ͸ɺ • Can't resolve image into URL: undefined method `to_model' for #<MyUploader:xxxxxxxxxx>
 Did you mean? to_xml • ͳΔΤϥʔ͕ग़·͢
45. image_tagղܾࡦ • ୈҰҾ਺ʹɺURLͷจࣈྻΛ௚઀౉ͤͱͷ͜ ͱͩͬͨͷͰ • image_tag(@image_uploader_object)
 ↓
 image_tag(@image_uploader_object.url) • ʹॻ͖׵͑ͨ
46. ͪͳΈʹ • mount_uploader :url, MyUploaderΈ͍ͨʹॻ ͍͍ͯΔͱ... • image_tag(@profile_image.url.url) Έ͍ͨʹ ͳΓ·͢
 
 ŘşũūŘ
47. ·ͱΊ
48. ྑ͔ͬͨͱ͜Ζ • ϢχοτςετͷΧόϨοδΛ80%ॻ͍ͨ • ઈରʹΤϥʔग़ͨ͘͠ͳ͍Օॴ͸ɺ
 ಈ࡞֬ೝ߲໨ॻΛ࡞੒ͯ͠ɺखಈͰͷ֬ೝΛͨ͜͠ͱ • ݹ͍؀ڥ(4.2)→৽͍͠؀ڥ(5.0ͳͲ)ͷ֬ೝΛͨ͜͠ ͱ • ηογϣϯɾδϣϒͷෆ۩߹Λݟ͚ͭΒΕΔ
49. ૝ఆ֎ͩͬͨՕॴ • ϦϦʔεϊʔτΛ֬ೝͨ͠Βɺे෼ͩͱࢥ͍ ࠐΜͰ͍͕ͨɺ
 ϦϦʔεϊʔτʹͳ͍มߋͳͲ΋Τϥʔ͕ग़ ͍ͯͨ(શମͷ30~40%͙Β͍) • ϦάϨογϣϯςετΛॻ͍ͯɺ্͛ͯɺΤ ϥʔΛ௵͍ͯ͘͠ํ͕ϝΠϯʹͳΓͦ͏
51. RailsΞοϓσʔτ͸
 ϊʔΤϥʔͰͨ͠ ☀