技術顧問という働き方

by Shinichi Maeshima

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ٕज़ސ໰ͱ͍͏ಇ ͖ํ @willnet

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ࣗݾ঺հ • લౡਅҰ aka @willnet or @netwillnet • ginza.rb ͔Βདྷ·ͨ͠ • https://github.com/willnet • https://twitter.com/netwillnet • https://blog.willnet.in

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ϑϦʔϥϯεRails ٕज़ސ໰Λͭͭ͠ɺ ۭ͍ͨ࣌ؒͰ savanna.ioͳͲΛ ։ൃ͍ͯ͠·͢

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ࠓ೔ͷςʔϚ 2೥൒΄Ͳٕज़ސ໰Λͨ͜͠ͱͰؾ͍ͮͨ͜ͱͱ ՝୊ʹ͍ͭͯ࿩͠·͢

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ٕज़తͳ࿩͸·ͨ ࣍ճͷRailsDMͰ

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ͱ͜ΖͰɺٕज़ސ ໰ͬͯͦ΋ͦ΋ͳΜ ͳΜͰ͠ΐ͏Ͷ

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ٕज़ސ໰ͷ3ଐੑ ͓͓·͔ʹ3ͭʹ෼ྨͰ͖ͦ͏ • ૊৫ͮ͘Γଐੑ • ϓϩμΫτ඼࣭޲্ଐੑ • ༗໊ଐੑ

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૊৫ͮ͘Γଐੑ • ૊৫ͱنଇΛͲ͏΍ͬͯ࡞͍͔ͬͯ͘ʁ • ͩΕΛͲ͏΍ͬͯ࠾༻͢Δ͔ʁ • ΤϯδχΞΛͲ͏΍ͬͯධՁ͢Δ͔ʁ ͳͲʹ͍ͭͯɺ͜Ε·Ͱͷܦݧ͔ΒΞυόΠε͢ ΔɻCTOܦݧऀͳͲʹଟ͍

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ϓϩμΫτ඼࣭޲্ଐੑ • ઃܭ΍ٕज़બఆͲ͏͢Δ͔ • ίʔυͷ඼࣭ΛͲ͏΍ͬͯ͋͛Δͷ͔ • ࣾ಺ڭҭΛͲ͏͢Δ͔ ٕज़ྗΛධՁ͞Ε͍ͯΔਓʹଟ͍

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༗໊ଐੑ • ○͞Μ͕ٕज़ސ໰Ͱ͋Δɺͱ͍͏ࣄ࣮͚ͩͰࣾ ֎ʹΞϐʔϧͰ͖Δ • ○͞Μͱ࿩ͤΔͱ͍͏෱རްੜ

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͜ΕΒ3ͭͷ͏ͪ1ͭ΋͘͠͸ ෳ਺ͷଐੑΛ࣋ͭͷ͕ٕज़ސ ໰(ͷ͸ͣ) • ૊৫ͮ͘Γଐੑ • ϓϩμΫτ඼࣭޲্ଐੑ • ༗໊ଐੑ

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@willnet ͷ৔߹ ϓϩμΫτ඼࣭޲্ଐੑ͕ϝΠϯ

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ͲΜͳͱ͜ΖͰ΍ͬͯΔͷ • ݱࡏ4͓ࣾख఻͍͍ͯ͠·͢ • ࣾһΤϯδχΞ1໊ͷͱ͜Ζ͔Β2,30ਓ͘Β͍ ͷͱ͜Ζ·Ͱ • ෛ࠴ΛݮΒ͍ͨ͠ͱ͔ෛ࠴ΛͨΊͨ͘ͳ͍ձࣾ ͕ଟ͍ • ͍͍ͩͨͷձࣾͰि1͘Β͍ग़ࣾ͢ΔΑ͏ʹ͠ ͍ͯ·͢

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૝ఆ͞ΕΔ࣭໰ • Q. ίϯςΩετεΠονͭΒ͘ͳ͍Ͱ͔͢ʁ • A. ͭΒ͍Ͱ͢ • Q. Ͱ͸ͳͥ4ࣾ΋΍ͬͯΔΜͰ͔͢ʁ • A. Ϗδωε্ͷཧ༝Ͱ͢ɻ͋ͱҰԠϝϦοτ ΋͋ΔΜͰ͢Α

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ෳ਺ࣾΛ͓ख఻͍͢Δ͜ͱͰ ͷྑ͞ • ੒ޭମݧΛԣల։Ͱ͖Δ • ෯޿͍෼໺ͷ೉͍͠՝୊ʹ৮ΕΔ͜ͱ͕Ͱ͖Δ

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ग़ࣾͯ͠ͳʹ΍ͬͯΔͷ • ઃܭͷ૬ஊʹͷΔ • ίʔυϨϏϡʔ͢Δ • ίʔυ΋ॻ͘ • ϖΞϓϩ͢Δ • ࣾ಺ษڧձओ࠵͢Δ • ొஃ΍ϒϩάدߘ͢Δ

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ͭ·Γ࣌ؒ಺Ͱޮ Ռ͕͋Γͦ͏ͳ͜ ͱͳΒͳΜͰ΋΍Δ

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ϝΠϯ͸ʮRailsͱ γεςϜ։ൃͷ஌ݟ Λڞ༗͢Δʯ

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Ͳ͏͢Δͱ஌ݟΛ ޮ཰Α͘ڞ༗Ͱ͖ Δ͔ʁΛߟ͑ͯ·͢

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͍Ζ͍Ζࢼͯ͠Έͨ • ࣾ಺ಡॻձ • ϨϏϡʔ • طଘίʔυͷϦϑΝΫλϦϯά • ϖΞϓϩ

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ࣾ಺ಡॻձ • ྠಡܗࣜ • Ұਓ͕͋Δఔ౓Իಡ • ΩϦͷ͍͍ͱ͜ΖͰࢭΊͯ࿩͠߹͍ • ࿩͕ऴΘͬͨΒ࣍ͷਓ͕Իಡ͢Δ

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ྠಡͷϝϦοτʗσϝϦοτ • ༧श͕͍Βͳ͍ • (ि1։࠵ͳͷͰ)ຊʹΑͬͯ͸લճಡΜͩ಺༰ Λ๨Ε͍ͯΔ

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஌ݟΛ఻͑Δͱ͍͏؍఺Ͱ͸ Ͳ͏͔ • ଟ͘ͷਓʹॻ੶Λ௨ͯ͡஌ݟͷγΣΞ͕Ͱ͖Δ • ࢀՃऀͷϨϕϧײ͕·ͪ·ͪͳͷͰɺ୊ࡐʹ Αͬͯ͸ޮՌ͕ബ͍ਓ͕͍Δ • ୊ࡐબͿͷେม • ྠಡܗࣜͳͷ΋੍໿ʹͳΔͷ͚ͩͲ༧शલ ఏʹ͸ͮ͠Β͍

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ϨϏϡʔ • ;ͭ͏ʹPRΛΈͯϨϏϡʔ • ͢Ͱʹmasterʹ͋ΔίʔυΛΈͯϦϑΝΫλ Ϧϯάͷํ਑Λࣔ͢ɺΈ͍ͨͳͷ΋͋Δ

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ϨϏϡʔͷϝϦοτ • खܰʹ஌ݟΛ఻͑ΒΕΔ

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ϨϏϡʔͷσϝϦοτ • 1ճͰ͸ͳ͔ͳ͔఻ΘΒͳ͍ • 3ճಉ͡ࢦఠΛͯ͠΋಄ʹೖͬͯ͜ͳ͍ɺΈ ͍ͨͳͷ͕͋Δ • ! γνϡΤʔγϣϯ͕มΘΔͱμϝͳͷ͔ ΋ʁ

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ϨϏϡʔͷσϝϦοτ • ίʔυͷࠩ෼ʹରͯ͠ίϝϯτΛ͢Δ౎߹্ɺ ઃܭʹ͍ͭͯίϝϯτͮ͠Β͍ͷ͕೉఺ • tipsΛ఻͑ΔɺΈ͍ͨͳ͜ͱ͕ଟ͍ • ʮલఏ͔Βߟ͑௚ͨ͠΄͏͕ྑ͍ͷͰ͸ʯ ͱ͍͏PR͕͋ΔͱͭΒ͍

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ϦϑΝΫλϦϯά ·͍ͣίʔυΛಡΈ΍͘͢௚͢աఔΛڞ༗͢Δ͜ ͱͰɺ·͍ͣίʔυͷ࠶ੜ࢈Λ๷͙

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ϦϑΝΫλϦϯάͷྑ͠ѱ͠ • (બ୒ͨ͠୊ࡐ͕ྑ͘ͳ͔ͬͨՄೳੑ΋͋Δͷ ͚ͩͲ)ޮՌ͕͍·͍ͪͩͬͨͱײ͍ͯ͡Δ • ϦϑΝΫλϦϯάͷ಺༰Λݟͤͯ΋ɺ࣍ճద༻ ͢ΔλΠϛϯά͕Θ͔Βͳ͍ • ϨϏϡʔͷͱ͖ͱಉ͡

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ϨϏϡʔ΍ϦϑΝΫλϦϯά Λ΍ͬͯΈͯ • ! ఻͑ͨ஌ݟΛ뱌͢Δ༨༟͕ແ͍ͷͰ͸ʁ • λεΫͷظݶʹ௥ΘΕͯ༨༟͕ͳ͘ɺࣗ෼ͷ஌ ࣝΛ૿΍͢͜ͱʹ࿑ྗΛׂ͚ͳ͍ࣄ͕ଟ͍ • ۀ຿͕๩ͯ͘͠ษڧ͢Δ͕࣌ؒऔΕͳ͍݁Ռɺ ۀ຿͕๩͍͠·· • ΋ͪΖΜۀ຿ΛͪΌΜͱճ͢ͷ͸େࣄ

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ຊདྷ͸։ൃϑϩʔ ΛؚΊͨۀ຿ͷ͋ Γํ͔Βߟ͑௚͢ ඞཁ͕͋Δͷ͚ͩ Ͳ΋…

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ϖΞϓϩ • ΤϯδχΞ͕୲౰͍ͯ͠ΔλεΫΛϖΞϓϩͰ ਐΊ͍ͯΔ • (ϨϏϡʔͳͲͱൺ΂ͯ)஌ݟ఻ΘͬͯΔײ͕͡ ͋Δ • ͍·௚໘͍ͯ͠Δ໰୊ʹ௚઀ΞυόΠε͢Δͱ ڹ͘ͷͰ͸ • Ұ౓ʹͻͱΓ͔͠஌ݟΛ఻͑ΒΕͳ͍ͷ͸ܽ఺ ͚ͩͲɺݱঢ়͜ΕҎ্ͷํ๏͕ͳ͍

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͜͜·Ͱͷ·ͱΊ • ஌ݟΛ఻͑Δͱ͍͏ҙຯͰ͸ϖΞϓϩ͕Ұ൪ख Ԡ͕͑͋ͬͨ • ۀ຿ϑϩʔ͕มΘΔͱҰ൪ޮՌ͕ߴ͍ͷ͚ͩ Ͳɺͦ͜Λม͍͑ͯ͘ͷ͸೉͍͠ʼʻ

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ٕज़ސ໰ͱ͍͏৬ ۀʹ͍ͭͯͷॴײ

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ٕज़ސ໰ۀͷϝϦοτ • ݸਓͰͨͩίʔυΛॻ͘ΑΓ΋όϦϡʔΛग़ͤ ͍ͯΔײ͕͋͡Δ • !

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ٕज़ސ໰ۀͷσϝϦοτ • ௚઀ίʔυΛॻ͕࣌ؒ͘ݮΔ • ίϯςΩετεΠον͕͍ͨ΁Μ • ݶΒΕͨ࣌ؒͰόϦϡʔग़͞ͳ͍ͱ͍͚ͳ͍ϓ Ϩογϟʔ

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ٕज़ސ໰ͷधཁͱڙڅ • ӅΕͨधཁ͸ͨ͘͞Μ͋Δ(Α͏ʹײ͡Δ) • ஌ݟແ͠ͰϨʔϧΛ౿Έ֎͍ͯ͠ΔϓϩδΣΫ τ͸ଟ͍ • தͷਓࢹ఺Ͱ͸ͦΕ͕ී௨ • ॳظϕϯνϟʔʹҰਓސ໰͕͍Δͱɺ਺೥ޙʹ େ͖͕ࠩ͘ग़Δ͸ͣ

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ٕज़ސ໰ͷधཁͱ ڙڅ͕΋ͬͱ૿͑Δ ͱΈΜͳͨͷ͘͠ ։ൃͰ͖Δ͸ͣ

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धཁͱڙڅͷ՝୊ • ٕज़ސ໰ۀͷ಺༰ͷ஌໊౓ͷ௿͞ • ٕज़ސ໰Λඞཁͱ͍ͯ͠Δձࣾ΄Ͳɺٕज़ސ໰ ͱͷͭͳ͕Γ͕ͳ͍

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࣌ؒ༨ͬͨΒFAQ

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Q. Ͳ͏ͨ͠Βٕज़ސ໰ʹͳΕ ·͔͢ʁ A. ʮ͜Ε͔Βٕज़ސ໰ۀ΍Ζ͏ͱࢥͬͯ·͢ʔʯ ͱपΓʹએݴ͓ͯ͘͠ͱ঺հͯ͠΋Β͑Δ1 1 ͋͘·Ͱ@willnetͷ৔߹Ͱ͢

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Q. Ͳ͏ͨ͠Βٕज़ސ໰ʹͳΕ ·͔͢ʁ • ͜ͷ΍Γํͩͱʮ஌Γ߹͍ͷ਺ * ஌Γ߹͍͕ࣗ ෼Λސ໰ʹ޲͍͍ͯΔͱײ͍ͯ͡Δ౓߹͍ʯʹ ґଘ͢Δ • ίʔυॻ͍ͯൃද͍͖ͯ͠·͠ΐ͏

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(࠶ܝ)ٕज़ސ໰ͷध ཁͱڙڅ͕΋ͬͱ ૿͑ΔͱΈΜͳͨͷ ͘͠։ൃͰ͖Δ͸ ͣ

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ڵຯ͋Δਓ͸૬ஊ ͍ͩ͘͞