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railsdm2019

 railsdm2019

Takatoshi Maeda

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

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  2. Agenda
    1. ࣗݾ঺հ / τΫόΠͷ঺հ

    2. ΠϯτϩμΫγϣϯ

    3. ྑ͍Ծઆݕূͬͯʁ

    4. νʔϜͰͷऔΓ૊Έํ

    5. ·ͱΊ

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  3. ର৅ͱͯ͠ߟ͑ͨํ
    1. αʔϏεɾϓϩμΫτͷ࢓༷Λߟ͑ͳ͕Β࢓ࣄΛ͍ͯ͠Δํ

    • ࣗ෼ͷ࢓ࣄͷ݁Ռ͕ɺ࢖ͬͯ͘Ε͍ͯΔਓʹͱͬͯͲΕ͚ͩخ͍͔͠஌Γ
    ͍ͨํ

    2. ϓϩμΫτνʔϜ΍ϓϩμΫτͦͷ΋ͷΛϦʔυɾϚωδϝϯτ͍ͯ͠Δํ

    • ଌΓํ΍ߟ͑ํͷώϯτʹͳΔ(͔΋͠Εͳ͍)

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  4. ࣗݾ঺հ
    • લా ୎ढ़(@takatoshi-maeda)

    • גࣜձࣾτΫόΠɹ औక໾CTO

    • RailsΞϓϦ։ൃ / Πϯϑϥߏஙɺӡ༻ /
    ϓϩμΫτϚωʔδϝϯτ etc…

    • Railsྺ͸7೥

    • ॳΊͯ৮ͬͨόʔδϣϯ͸3.2

    • ޷͖ͳπʔϧ͸stackprof

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

    • খചళฮ༷͔Βݟͨͱ͖ʹ͸ϚʔέςΟ
    ϯάαʔϏε

    • େ໨ඪ͸͓ళͷࠓ೔͍͍ͱ͜ΖΛ୔ࢁ
    ͷਓʹݟͯ΋Β͏͜ͱ

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  6. ࠓ೔͓࿩͢Δ͜ͱ

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

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

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

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

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

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

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

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

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  15. 1. ໰୊ͷ໌֬͞ɺظ଴ޮՌͷେ͖͞
    ஍Ҭ͓ళ·ͱΊϖʔδ
    ϝʔϧϚΨδϯ
    ݕࡧΤϯδϯ
    ϒοΫϚʔΫ τοϓϖʔδ
    GOAL: ͓ళϖʔδϔ๚ΕΔਓΛ૿΍͍ͨ͠ʂ
    10
    1
    5 4
    2 1
    1. ࠷΋ࠩ෼͕େ͖͍ͱ͜Ζʹ஫໨͢Δ

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  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

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  17. 1. ໰୊ͷ໌֬͞ɺظ଴ޮՌͷେ͖͞
    ஍Ҭ͓ళ·ͱΊϖʔδ
    ϝʔϧϚΨδϯ
    ݕࡧΤϯδϯ
    ϒοΫϚʔΫ τοϓϖʔδ
    ͜͜Λվળ͢Δͱ
    ૿͑Δ͸ͣͩʂ
    GOAL: ͓ళϖʔδϔ๚ΕΔਓΛ૿΍͍ͨ͠ʂ
    1. ԿނվળͰ͖Δ͔ͷγφϦΦ͕໌֬
    2. ظ଴ޮՌྔ͕େ͖͍ͱ͜Ζʹ஫ྗ

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

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

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  20. 2. ʮ఺ʯͱʮઢʯΛ༻͍ͨݕূ
    ݕࡧΤϯδϯ
    ஍Ҭ͓ళ·ͱΊϖʔδ
    ϒοΫϚʔΫ τοϓϖʔδ
    ϝʔϧϚΨδϯ
    1. ߜΓࠐΈ͕ٻΊΒΕ͍ͯΔ͔͸ߜΓࠐΈࣗମͷΫϦοΫ཰ͰܭଌՄೳ
    2. 1఺ͷΈͰ׬݁͢ΔࢦඪͳͷͰʮ఺ʯͷࢦඪ
    3. ػೳ͕ٻΊΒΕͯΔ͔౳ΛଌΕΔ

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  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)

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  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

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

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

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  25. 3. ϓϩμΫτʹด͡ͳ͍ࢹ໺
    ݕࡧΤϯδϯ
    ஍Ҭ͓ళ·ͱΊϖʔδ

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

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

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

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

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

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

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  32. Photo by Olga Guryanova on Unsplash

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  33. 1. Agility
    • νʔϜͰऔΓ૊Ήͱ͖ʹεϐʔυɺࢼ͢ճ਺͸ॏཁ

    • ࡉཻ͔͍౓Ͱ࣮ߦ͢Ε͹ɺࣦഊʹର͢Δ৺ཧతোน͸Լ
    ͕Δ

    • େ͖࣮͘ߦ͢ΔͱαϯΫίετόΠΞε͕ॏ͘ͷ͔͔ͬ͠
    ͯ͠·͏

    • ϦζϜΑ͘։ൃ͢Δͷ͸େࣄ

    • ৼΓฦΓͷཻ౓ͱස౓Λߟྀͯ͠2िؒͷεϓϦϯτϕʔε

    • 1िؒͩͱৼΓฦΓͷͨΊͷਐḿ͕࡞Γʹ͍͘

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

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  35. 2. ௕ظɾதظɾ୹ظͰৼΓฦΔ
    4݄ 7݄ 10݄ 1݄ 4݄

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  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

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

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  38. View Slide

  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


    •ఆྔతͳ΋ͷ͚ͩͰ͸ͳ͘ɺϢʔβʔΠϯλϏϡʔ΍ߦಈௐࠪͳͲ΋૊Έ߹ΘͤΔ

    •ࢦඪʹݱΕͳ͍ՕॴͰॏཁͳ͜ͱ͸ͨ͘͞Μ͋Δ

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

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

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

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  43. PR

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

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

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

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