railsdm2019

Transcript

1. αʔϏεΛ੒௕ͤ͞ΔԾઆݕূจԽͷ࡞Γํ @takatoshi-maeda Rails Developers Meetup 2019 2019/03/22

2. Agenda 1. ࣗݾ঺հ / τΫόΠͷ঺հ 2. ΠϯτϩμΫγϣϯ 3. ྑ͍Ծઆݕূͬͯʁ 4.

   νʔϜͰͷऔΓ૊Έํ 5. ·ͱΊ

3. ର৅ͱͯ͠ߟ͑ͨํ 1. αʔϏεɾϓϩμΫτͷ࢓༷Λߟ͑ͳ͕Β࢓ࣄΛ͍ͯ͠Δํ • ࣗ෼ͷ࢓ࣄͷ݁Ռ͕ɺ࢖ͬͯ͘Ε͍ͯΔਓʹͱͬͯͲΕ͚ͩخ͍͔͠஌Γ ͍ͨํ 2. ϓϩμΫτνʔϜ΍ϓϩμΫτͦͷ΋ͷΛϦʔυɾϚωδϝϯτ͍ͯ͠Δํ • ଌΓํ΍ߟ͑ํͷώϯτʹͳΔ(͔΋͠Εͳ͍)

4. ࣗݾ঺հ • લా ୎ढ़(@takatoshi-maeda) • גࣜձࣾτΫόΠɹ औక໾CTO • RailsΞϓϦ։ൃ /

   Πϯϑϥߏஙɺӡ༻ / ϓϩμΫτϚωʔδϝϯτ etc… • Railsྺ͸7೥ • ॳΊͯ৮ͬͨόʔδϣϯ͸3.2 • ޷͖ͳπʔϧ͸stackprof

5. ࣗݾ঺հ - τΫόΠʹ͍ͭͯ • ಛച৘ใɺνϥγ৘ใΛ஍Ҭͷੜ׆ऀ ʹ഑৴͢ΔαʔϏε • খചళฮ༷͔Βݟͨͱ͖ʹ͸ϚʔέςΟ ϯάαʔϏε •

   େ໨ඪ͸͓ళͷࠓ೔͍͍ͱ͜ΖΛ୔ࢁ ͷਓʹݟͯ΋Β͏͜ͱ

6. ࠓ೔͓࿩͢Δ͜ͱ

7. • ΠϯλʔωοταʔϏεͷ։ൃʹؔΘΔԾઆݕূɺվળʹ͍ͭͯͷ͓࿩ • ๻ͨͪ͸ৗʹΰʔϧʹରͯ͠Ұ௚ઢʹ޲͔͍͍ͨ

8. • ͔͠͠ݱ࣮͸؁͘ͳ͍ • ਅ͙ͬ͢ਐΜͰΔͭ΋ΓͰ΋ࢥͬͨҎ্ʹӈԟࠨԟͯ͠ΊͪΌΊͪΌʹͳΔ

9. • ਖ਼͍͠ϧʔτ͸੺͍ํ • ෺ཧͰݟ͑Δొࢁͷਖ਼͍͠ϧʔτ Ͱ͢Β೉͍͠ • ๻ͨͪ͸ৗʹΰʔϧʹରͯ͠Ұ௚ ઢʹ޲͔͍͍ͨ

10. • Ͱ͸ɺண࣮ʹ͍͍ۙͮͯͨ͘Ίʹ͸Ͳ͏͢Δ͔ʁ • ࠓ೔͸ͦͷͨΊͷ࿩Λ͠·͢

11. BUILD LEARN MEASURE IDEA PRODUCT DATA 1. ͍͍Ծઆݕূͬͯʁ 2. νʔϜͰͷऔΓ૊Έํ

    Ծઆݕূ จԽ

12. ͍͍Ծઆݕূͷ৚݅ ɹ1. ໰୊ͷ໌֬͞ɺظ଴ޮՌͷେ͖͞ ɹ2. ఺ͱઢΛ༻͍ͨݕূ ɹ3. ϓϩμΫτʹด͡ͳ͍ࢹ໺

13. 1. ໰୊ͷ໌֬͞ɺظ଴ޮՌͷେ͖͞ ɹ1. ໰୊ͷ໌֬͞ɺظ଴ޮՌͷେ͖͞ ɹ2. ఺ͱઢΛ༻͍ͨݕূ ɹ3. ϓϩμΫτʹด͡ͳ͍ࢹ໺

14. 1. ໰୊ͷ໌֬͞ɺظ଴ޮՌͷେ͖͞ ஍Ҭ͓ళ·ͱΊϖʔδ ϝʔϧϚΨδϯ ݕࡧΤϯδϯ ϒοΫϚʔΫ τοϓϖʔδ ͜͜Λվળ͢Δͱ ૿͑Δ͸ͣͩʂ GOAL:

    ͓ళϖʔδϔ๚ΕΔਓΛ૿΍͍ͨ͠ʂ

15. 1. ໰୊ͷ໌֬͞ɺظ଴ޮՌͷେ͖͞ ஍Ҭ͓ళ·ͱΊϖʔδ ϝʔϧϚΨδϯ ݕࡧΤϯδϯ ϒοΫϚʔΫ τοϓϖʔδ GOAL: ͓ళϖʔδϔ๚ΕΔਓΛ૿΍͍ͨ͠ʂ 10

    1 5 4 2 1 1. ࠷΋ࠩ෼͕େ͖͍ͱ͜Ζʹ஫໨͢Δ

16. 1. ໰୊ͷ໌֬͞ɺظ଴ޮՌͷେ͖͞ 1. ͱ͋Δ஍Ҭʹ͋Δ͓ళͱ͍҆΋ͷΛ஌Γͨ ͍͕ 2. ͓ళ͕132ళฮ΋͋ͬͯɺ஍ҬΛ͜ΕҎ্ ࡉ͔͘ߜΓࠐΊͳ͍ͷͰɺ஌Γ͍ͨ৚݅Ͱ͓ ళΛ஌Γ͍ͨϢʔβʔ͸໎͍ͬͯΔ 3.ߜΓࠐΈػೳΛ࣮૷͢Δ͜ͱͰɺࣗ෼͕ؾ

    ʹͳΔϖʔδΛ஌͓ͬͯళϖʔδʹߦͬͯ͘ ΕΔ͸ͣͩʂ

17. 1. ໰୊ͷ໌֬͞ɺظ଴ޮՌͷେ͖͞ ஍Ҭ͓ళ·ͱΊϖʔδ ϝʔϧϚΨδϯ ݕࡧΤϯδϯ ϒοΫϚʔΫ τοϓϖʔδ ͜͜Λվળ͢Δͱ ૿͑Δ͸ͣͩʂ GOAL:

    ͓ళϖʔδϔ๚ΕΔਓΛ૿΍͍ͨ͠ʂ 1. ԿނվળͰ͖Δ͔ͷγφϦΦ͕໌֬ 2. ظ଴ޮՌྔ͕େ͖͍ͱ͜Ζʹ஫ྗ

18. ͍͍Ծઆݕূͷ৚݅ ɹ1. ໰୊ͷ໌֬͞ɺظ଴ޮՌͷେ͖͞ ɹ2. ఺ͱઢΛ༻͍ͨݕূ ɹ3. ϓϩμΫτʹด͡ͳ͍ࢹ໺

19. 2. ʮ఺ʯͱʮઢʯΛ༻͍ͨݕূ ݕࡧΤϯδϯ ஍Ҭ͓ళ·ͱΊϖʔδ ϒοΫϚʔΫ τοϓϖʔδ ϝʔϧϚΨδϯ ʁʁʁʁʁ ʁʁʁʁʁ

20. 2. ʮ఺ʯͱʮઢʯΛ༻͍ͨݕূ ݕࡧΤϯδϯ ஍Ҭ͓ళ·ͱΊϖʔδ ϒοΫϚʔΫ τοϓϖʔδ ϝʔϧϚΨδϯ 1. ߜΓࠐΈ͕ٻΊΒΕ͍ͯΔ͔͸ߜΓࠐΈࣗମͷΫϦοΫ཰ͰܭଌՄೳ 2.

    1఺ͷΈͰ׬݁͢ΔࢦඪͳͷͰʮ఺ʯͷࢦඪ 3. ػೳ͕ٻΊΒΕͯΔ͔౳ΛଌΕΔ

21. 2. ʮ఺ʯͱʮઢʯΛ༻͍ͨݕূ ݕࡧΤϯδϯ ஍Ҭ͓ళ·ͱΊϖʔδ ϒοΫϚʔΫ τοϓϖʔδ ϝʔϧϚΨδϯ 1. ͓ళϦϯΫͷΫϦοΫ਺ͷઈରྔͰଌΔʁ 2.

    ͓ళϦϯΫͷΫϦοΫ཰ͰଌΔʁ ಋೖͨ͠UI͕ػೳͯ͠Δ͔Ͳ͏͔͸Θ͔Δ͕ɺ͓ళΛ୳ͤͯΔ͔Ͳ͏͔͸Ͳ͏ଌΔʁ -> PV͕૿͚͑ͨͩͷՄೳੑ͕͋Δ -> ୔ࢁߜΓࠐΜͰ͓ళΛݟ͚ͭͨ৔߹ɺ ΫϦοΫ཰͸Լ͕Δ(੒ޭ͍ͯ͠Δ͕ࢦඪ ͸Լ͕Δ)

22. 2. ʮ఺ʯͱʮઢʯΛ༻͍ͨݕূ ʢ͜ͷϧʔτͷʣ੒ޭηογϣϯͷׂ߹ ݕࡧΤϯδϯ ஍Ҭ͓ళ·ͱΊϖʔδ ϒοΫϚʔΫ τοϓϖʔδ ϝʔϧϚΨδϯ 1. ઢͷࢦඪ͸ετʔϦʔΛද͢ࢦඪ

    2. ཧ૝ͷετʔϦʔΛͨͲͬͨϢʔβʔ͔͠੒ޭϢʔβʔ ʹΧ΢ϯτ͞Εͳ͍ͨΊϊΠζʹڧ͍ 3. ͨͩ͠ɺͲͷϦϯΫΛΫϦοΫ͔ͨ͠ͳͲͷɺߦಈ಺༰ ͷৄࡉ͸Θ͔Βͳ͍

23. 2. ʮ఺ʯͱʮઢʯΛ༻͍ͨݕূ 1. ಋೖͨ͠΋ͷ͕ҙਤ௨Γػೳ͢Δ͔͸ʮ఺ʯ ͷࢦඪͰݟΔ 2. Ұ࿈ͷϢʔβʔମݧ͕޲্͍ͯ͠Δ͔ɺᆝଛ͠ ͍ͯΔ͔͸ʮઢʯͷࢦඪͰݟΔ

24. ͍͍Ծઆݕূͷ৚݅ ɹ1. ໰୊ͷ໌֬͞ɺظ଴ޮՌͷେ͖͞ ɹ2. ఺ͱઢΛ༻͍ͨݕূ ɹ3. ϓϩμΫτʹด͡ͳ͍ࢹ໺

25. 3. ϓϩμΫτʹด͡ͳ͍ࢹ໺ ݕࡧΤϯδϯ ஍Ҭ͓ళ·ͱΊϖʔδ

26. 3. ϓϩμΫτʹด͡ͳ͍ࢹ໺ ݕࡧΤϯδϯ ஍Ҭ͓ళ·ͱΊϖʔδ •͍ͭ΋ͷങ͍෺Ͱ୳͍ͯ͠ΔϢʔβʔ •Ҿӽͨ͠͹͔ΓͰ͓ళΛ୳͍ͯ͠ΔϢʔβʔ •͓ग़͔͚ؼΓʹ͓ళΛ୳͍ͯ͠ΔϢʔβʔ ϢʔβʔϞνϕʔγϣϯ͸༷ʑ

27. 3. ϓϩμΫτʹด͡ͳ͍ࢹ໺ • Ϣʔβʔ͞Μ͕αʔϏεʹৼΕͯ͘ Ε͍ͯΔ࣌ؒ͸ੜ׆ͷதͰҰ෦෼Ͱ͠ ͔ແ͍ •αʔϏεʹ;ΕΔલޙͷจ຺΍ɺจ຺ ͷதͰͷײ৘ͷ༳Εಈ͖ʹେࣄͳώϯ τ͕ଘࡏ͢Δ͜ͱ͸ଟ͍ •௚઀໨ͰݟΔఆੑ৘ใΛ૿΍͍ͯ͘͠

    ߦಈ͕େࣄ

28. ͍͍Ծઆݕূͷ৚݅ ɹ1. ໰୊ͷ໌֬͞ɺظ଴ޮՌͷେ͖͞ ɹ2. ఺ͱઢΛ༻͍ͨݕূ ɹ3. ϓϩμΫτʹด͡ͳ͍ࢹ໺

29. BUILD LEARN MEASURE IDEA PRODUCT DATA 1. ͍͍Ծઆݕূͬͯʁ 2. νʔϜͰͷऔΓ૊Έํ

    Ծઆݕূ จԽ

30. ɹ1. Agility ɹ2. ௕ظɾதظɾ୹ظͰৼΓฦΔ ɹ3. ԾઆݕূͷͨΊͷಓ۩Λॆ࣮ͤ͞Δ

31. ɹ1. Agility ɹ2. ௕ظɾதظɾ୹ظͰৼΓฦΔ ɹ3. ԾઆݕূͷͨΊͷಓ۩Λॆ࣮ͤ͞Δ

32. Photo by Olga Guryanova on Unsplash

33. 1. Agility • νʔϜͰऔΓ૊Ήͱ͖ʹεϐʔυɺࢼ͢ճ਺͸ॏཁ • ࡉཻ͔͍౓Ͱ࣮ߦ͢Ε͹ɺࣦഊʹର͢Δ৺ཧతোน͸Լ ͕Δ • େ͖࣮͘ߦ͢ΔͱαϯΫίετόΠΞε͕ॏ͘ͷ͔͔ͬ͠ ͯ͠·͏

    • ϦζϜΑ͘։ൃ͢Δͷ͸େࣄ • ৼΓฦΓͷཻ౓ͱස౓Λߟྀͯ͠2िؒͷεϓϦϯτϕʔε • 1िؒͩͱৼΓฦΓͷͨΊͷਐḿ͕࡞Γʹ͍͘

34. ɹ1. Agility ɹ2. ௕ظɾதظɾ୹ظͰৼΓฦΔ ɹ3. ԾઆݕূͷͨΊͷಓ۩Λॆ࣮ͤ͞Δ

35. 2. ௕ظɾதظɾ୹ظͰৼΓฦΔ 4݄ 7݄ 10݄ 1݄ 4݄

36. 2. ௕ظɾதظɾ୹ظͰৼΓฦΔ • ৭Μͳཻ౓ͷظؒͰৼΓฦΔ͜ͱ͕ͱͯ΋ॏཁ • 2िؒͷৼΓฦΓͰಘΒΕΔ஌ݟ͸ࢪࡦʹݶఆͨ͠΋ͷʹͳΓ͕ͪ • 1ϲ݄΍਺ϲ݄ͷ୯ҐͰৼΓฦΔ͜ͱͰɺେ͖ͳԾઆʹରͯ͠ݕূ͢Δ ػձ͕ಘΒΕΔ •

    େཻ͖͍౓ͷৼΓฦΓ͸ɺ૊৫Ͱ͸Ϛωʔδϟʔͷ੹຿Ͱ͋Δ͜ͱ͸ଟ͍ • ͨͩ͠ɺνʔϜͰҰॹʹৼΓฦΔ΂͖ • νʔϜͷڞ௨ݴޠΛ૿΍͠ɺԾઆϨϕϧΛ্͛Δ͜ͱ͕Ͱ͖Δ • ৼΓฦΓͷதͰɺϢʔβʔʹؔ͢Δٞ࿦ʹ࣌ؒΛׂ͘͜ͱ͕ॏཁ • ৼΓฦΓͰձ࿩͞ΕΔ಺༰͕จԽʹ௚݁͢Δ

37. ɹ1. Agility ɹ2. ௕ظɾதظɾ୹ظͰৼΓฦΔ ɹ3. ԾઆݕূͷͨΊͷಓ۩Λॆ࣮ͤ͞Δ

38. None

39. 3. ԾઆݕূͷͨΊͷಓ۩Λॆ࣮ͤ͞Δ •ʮ෼ੳख๏ͷڞ༗ʯ΍ʮ෼ੳϋʔυϧΛԼ͛ΔͨΊͷج൫੔උʯ౳ɺݕূͷεϐʔ υΛ্͛ΔͨΊͷಓ۩Λ૿΍͢͜ͱΛॏࢹ͍ͯ͠·͢ •SQLͰ෼ੳ͢Δ৔߹ɺϋʔυϧΛԼ͛ΔͨΊʹதؒσʔλ΍ViewΛੜ੒͢Δ౳ •ϩάσʔλͦͷ··ͩͱΫΤϦͰѻ͍ͮΒ͍έʔε͕ଟ͍ •෼ੳख๏Λslackνϟϯωϧ΍ࣾ಺wikiͰͷڞ༗ •෼ੳษڧձΛ։͍ͯνʔϜͰύλʔϯԽ͢ΔͱɺΈΜͳͷಓ۩͕૿͑ͯͱͯ΋ศ ར •ఆྔతͳ΋ͷ͚ͩͰ͸ͳ͘ɺϢʔβʔΠϯλϏϡʔ΍ߦಈௐࠪͳͲ΋૊Έ߹ΘͤΔ

    •ࢦඪʹݱΕͳ͍ՕॴͰॏཁͳ͜ͱ͸ͨ͘͞Μ͋Δ

40. ɹ1. Agility ɹ2. ௕ظɾதظɾ୹ظͰৼΓฦΔ ɹ3. ಓ۩Λॆ࣮ͤ͞Δ

41. BUILD LEARN MEASURE IDEA PRODUCT DATA 1. ͍͍Ծઆݕূͬͯʁ 2. νʔϜͰͷऔΓ૊Έํ

    Ծઆݕূ จԽ

42. αʔϏεΛ੒௕ͤ͞ΔԾઆݕূจԽͷܗ੒ ྑ͍ৼΓฦΓΛ୔ࢁੵΈॏͶΔ ໰୊ΛݟΔ؟ͷղ૾౓Λߴ͘͢ΔͨΊʹ

43. PR

44. ڞʹಇ͘஥ؒΛืू͍ͯ͠·͢ʂ https://corp.tokubai.co.jp/recruitments/recruit.html

45. ࠓ೔ͷ࠙਌ձʹεΠʔπεϙϯαʔͱͯ͠ڠࢍ͍ͯ͠·͢ τΫόΠϝϯόʔ͓͢͢ΊεΠʔπΛἧ͖͑ͯ·ͨ͠ʂͥͻ৯΂ʹདྷ͍ͯͩ͘͞ʂ

46. Thankyou! https://railsdm.herokuapp.com/issues/124