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2018 cookpad summer internship - プロトタイピングをしよう
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Ship Features Fearlessly
Turn features on and off without deploys. Used by thousands of Ruby developers.
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Ikue Hanawa
August 28, 2018
Design
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2018 cookpad summer internship - プロトタイピングをしよう
2018 summer internship - 10 Day Tech for service engineers
2日目(サービス開発入門)の講義資料
Ikue Hanawa
August 28, 2018
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Transcript
ϓϩτλΠϐϯάΛ͠Α͏ ΠϯλʔϯγοϓɹαʔϏε։ൃ 6*69σβΠφʔɹͳΘɹ͍͑͘
⁞ϓϩτλΠϐϯάΛΔ ͘͡ ϓϩτλΠϐϯάͷํ๏ ͘Β͍ͰऴΘΔΑ ͋ͬͯ͞ΈΑ͏ʢڥઃఆʣ
⁞ϓϩτλΠϐϯάΛΔ
˞#.*ϧʔϓͷৄࡉલͷαʔϏε։ൃߨٛεϥΠυࢀর ϓϩτλΠϐϯά#.*ϧʔϓͷʜ 1SPEVDU
։ൃɾ࣮͢Δલʹ ؆қతʹಈ͘ͷΛ࡞ͬͯࢼ͢͜ͱ ϓϩτλΠϐϯάͱʜ
ΞϓϦͷϓϩτλΠϓͷํ๏৭ʑ ίʔυΛॻ͍ͯ ؆қ࣮ͨ͠Γ ࢴͱϖϯͰ खॻ͖Ͱ࡞ͬͨΓ ϓϩτλΠϓઐ༻ͷ πʔϧΛͬͨΓ ύϫϙ,FZOPUF ΛͬͨΓ
ࠓ͜ͷதͰҰ൪؆୯ͳํ๏Λ͍·͢ ίʔυΛॻ͍ͯ ؆қ࣮ͨ͠Γ ࢴͱϖϯͰ खॻ͖Ͱ࡞ͬͨΓ ϓϩτλΠϓઐ༻ͷ πʔϧΛͬͨΓ ύϫϙ,FZOPUF ΛͬͨΓ ϖʔύʔϓϩτλΠϐϯά
ͬͪͪ͜ΐͬͱ͚͍ͩ·͢
ϓϩτλΠϐϯάͷํ๏
खॱ ⁞ϖϧιφΛܾΊΔ ՁԾઆɾετʔϦʔΛߟ͑Δ ΞΠσΟΞΛεέον͢Δ ϓϩτλΠϓʹΈཱͯΔ Ō
࣌ؒ҆ʢNJOͷ߹ʣ ⁞ϖϧιφΛܾΊΔʢϖϧιφཧղʣ ՁԾઆɾετʔϦʔΛߟ͑Δ ΞΠσΟΞΛεέον͢Δ ϓϩτλΠϓʹΈཱͯΔ
ͲͷΑ͏ʹ࡞͍ͬͯ͘ͷ͔ ࣮ྫͱরΒ͠߹Θͤͯઆ໌͍͖ͯ͠·͢
⁞ϖϧιφΛܾΊΔ
⁞ϖϧιφΛܾΊΔ ࠓճΈͳ͞Μʹ ࣄલʹ༻ҙͨ͠ͷΛ͓͠͠·͢
⁞ϖϧιφΛܾΊΔ w ͞ΏΓ͞ΜɹࡀɹӋࡏॅ w ͓ྉཧ͕େ͖Ͱɺ৭Μͳྉཧʹ ઓָͯ͠͠ΜͰ͍Δ w ࠷ۙଟࠃ੶ྉཧʹϋϚͬͯΔ w ͜ͷྉཧΛ࡞Γ͍ͨʂͱࢥͬͯɺ
εʔύʔͰखʹೖΒͳ͍৯ࡐଟ ͘ɺച͍ͬͯͯஈόϥόϥͳ ͷͰɺͲ͜ʹߦ͚ങ͑ͯɺͲ͜Ͱ ങ͑Ұ൪҆͘ࡁΉͷ͔ɺ࠷ۙΑ͘ ΜͰ͍Δ ࠓճ͜͜Λղܾ͠Α͏ͱࢥ͍·͢ʂ 4".1-&
ՁԾઆɾετʔϦʔΛߟ͑Δ
ՁԾઆɾετʔϦʔΛߟ͑Δ நˠ۩ମతͳετʔϦʔ ⁞ՁԾઆʢநʣɹՁղܾࡦ ετʔϦʔ ந ߦಈײͷྲྀΕ ετʔϦʔ ۩ମ ػೳૢ࡞ͷྲྀΕ ˞ৄࡉલͷߨٛࢿྉࢀর
ՁԾઆɾετʔϦʔΛߟ͑Δʢ̍ʣ ՁԾઆ ʙങ͑Δॴ͕ݟ͔ͭΔʙɹΔΜΔΜόεέοτ ͋ΒΏΔछྨͷ৯ࡐΛɺۙͰ҆͘ೖख ͋ΒΏΔछྨͷ৯ࡐͰྉཧΛ࡞Γ͍ͨϢʔβʔ Ͳ͜Ͱ͍͘ΒͰച͍ͬͯΔͷ͔͕Θ͔Βͳ͍ ച͍ͬͯΔॴͱஈΛ؆୯ʹௐΒΕΔ 4".1-&
ՁԾઆɾετʔϦʔΛߟ͑Δʢ̎ʣ ετʔϦʔʢநʣ ͞ΏΓɺྉཧ͢Δࡍͷ৯ࡐΛूΊΔࡍʹɺ͜ͷΞϓϦΛར ༻ͯ͠ɺ৯ࡐ͕ങ͑ΔॴΛΔ͜ͱ͕Ͱ͖Δɻ ‑ ʮࠓδΣϊϕʔθιʔεΛ࡞Γ͍ͨʂʯͱࢥͬͨ͞ΏΓ ɺʢδΣϊϕʔθιʔεʹେྔͷόδϧ͕ඞཁͳͷͰʣɺ ͜ͷΞϓϦͰόδϧͷใΛݟΕɺͲ͜Ͱόδϧ͕҆͘େ ྔʹച͍ͬͯΔ͔ΛΔ͜ͱ͕Ͱ͖Δɻ 4".1-&
ՁԾઆɾετʔϦʔΛߟ͑Δʢ̏ʣ ετʔϦʔʢ۩ମʣ w ͞ΏΓɺྉཧ͢Δࡍͷ৯ࡐΛूΊΔࡍʹɺ͜ͷΞϓϦΛ։͘ɻ w ΞϓϦΛ։͘ͱɺݕࡧϘοΫε͕දࣔ͞ΕΔɻ w όδϧ͕ങ͑ΔॴΛΓ͍ͨ͞ΏΓɺ ݕࡧϘοΫεΛλοϓ͠ʮόδϧʯͱೖྗ͢Δɻ w
ݕࡧΞΠίϯʢݕࡧϘλϯʣΛԡ͢ɻ w όδϧ͕ച͍ͬͯΔ͓ళͷҰཡͱɺͦΕͧΕͷ͓ళͰച͍ͬͯΔόδϧ ͷ༰ʢྔʣͱྉ͕ۚදࣔ͞ΕΔɻ 4".1-& ˞۩ମετʔϦʔɺ৭ʑͳύλʔϯ͕͋ͬͯ0,ʂ
ΞΠσΟΞΛεέον͢Δ
ΞΠσΟΞΛεέονʹ͢Δʢ̍ʣ ϥϑεέον ϖϯͱࢴΛͬͯɺΞΠσΟΞΛॻ͖ग़ͯ͠ΈΑ͏ ࡶʹɺࢥ͍ͭ͘··ʹ৭ʑඳ͍ͯΈΑ͏ ʢը໘ߏɾը໘ભҠɾύλʔϯͳͲʣ 4".1-&
ը໘ભҠεέον ΞΠσΟΞΛεέονʹ͢Δʢ̎ʣ ͲΜͳૢ࡞ͰɺͲͷΑ͏ʹը໘͕มԽ͢Δͷ͔ ඞཁͳը໘Λશͯॻ͖ग़ͦ͏ʢೖྗϑΥʔϜͷҧ͍ͳͲ̍ύλʔϯʹʣ 4".1-&
εέονͷਗ਼ॻ ը໘ભҠͷεέονͰग़ͨը໘ͷ͚ͩ ॎͷᝦʹɺը໘Λॻ͖ग़͍ͯ͜͠͏ 4".1-& ΞΠσΟΞΛεέονʹ͢Δʢ̏ʣ
w ֆΛඳ͘ͱ͍͏ΑΓ ਤΛ͢ΔΠϝʔδͰʂ w ݟͯΘΔ͔ʁΛҙࣝ͠ͳ͕Β ஸೡʹඳ͜͏ w ৭ʹॏཁͳҙຯ͕͋Δ߹Λআ͍ͯ جຊతʹ̍৭Ͱඳ͜͏ ϖʔύʔϓϩτͷίπ⁞
ϖʔύʔϓϩτͷίπ w ଠ͍ϖϯɾࡉ͍ϖϯΛ͍͚Δʂ ʢڥքઢɾݟग़͠ɾཱ͍ͨͤͨॴͳͲΛଠϖϯͰʣ w ॎʹ͍ը໘ᝦΛͭͳ͛ͯ࡞Δ w ϙοϓΞοϓ௨ɺখ͍͞ᝦΛॏ ͶͯΈΑ͏ w
దٓϋαϛͱͷΓͰΓΓ͢Δͷ0,
ϓϩτλΠϓʹΈཱͯΔ
ૢ࡞ͯ͠ಈ͘Α͏ʹ͠·͢ ϓϩτλΠϓʹΈཱͯΔʢ̍ʣ ࠓճɺ1SPUUͱ͍͏ϓϩτλΠϐϯάπʔϧΛ͍·͢ ʢΈͳ͞Μʹɺઆ໌ͷޙͰొͯ͠Β͍·͢ʣ IUUQTQSPUUBQQDPN
εϚϗͰᝦΛࡱӨͯ͠ը૾ΛΠϯϙʔτ ϓϩτλΠϓʹΈཱͯΔʢ̎ʣ w εϚϗͰᝦΛࡱӨͯ͠1SPUUʹΠϯϙʔτ͢Δ w εϚϗˠ1$ˠ1SPUUʹΞοϓϩʔυͰ0,͕ͩ w 1SPUUͷNPCJMFBQQ͔ΒΠϯϙʔτͰ͖Δ Ě
1SPUUΛͬͯಈ͘Α͏ʹ͢Δ ϓϩτλΠϓʹΈཱͯΔʢ̏ʣ ϦϯΫΛ͚͍ͭͨॴΛυϥοάͯ͠ɺϦϯΫ͍ͨ͠ը໘ʹͭͳ͛Δ͚ͩʂ 4".1-&
1SPUUͷجຊతͳ͍ํ ⁞ϩάΠϯ ৽نϓϩδΣΫτΛ࡞ ᝦը૾ΛΠϯϙʔτ ը૾Λܨ͛Δ γΣΞ23ίʔυΛΞϓϦͰಡࠐΜͰ֬ೝ ʢϦϯΫʹ͍ͨ͠ը૾ՕॴΛυϥοάͯ͠ܨ͍͛ͨը૾ʹͭͳ͛Δʣ ӈ্ͷ͜ͷΞΠίϯ͔Β ࠇ͍ํͷΞϓϦͷ23ϦʔμʔͰಡΈࠐΉ
Ō 1SPUUΞϓϦͰ֬ೝͯ͠ΈΑ͏ʂ 4".1-&
εϜʔζͳ࡞ۀͷͨΊʹ w ਗ਼ॻΛ͢ΔਓɺࡱӨΛͯ͠σʔλΛऔΓࠐΉਓɺσʔλ Λܨ͛ͯϓϩτʹ͢ΔਓɺͳͲׂ୲Λ͢ΔͱεϜʔ ζʹ࡞Ε·͢ʂ w ਗ਼ॻΛ͢Δਓ͚ͩͰɺઢΛඳ͘ਓɾจࣈΛॻ͘ਓɾΞ ΠίϯΛඳ͘ਓɺͳͲࡉׂ͔͘୲ͯ͠0,
ͦͷଞඋߟ w J1IPOF9ͩͱᝦͱαΠζ͕߹Θͳ͍ͷͰɺͰ͖Δ͚ͩ J1IPOF9Ҏ֎ͷͰ࡞ΔΑ͏ʹ͍ͯͩ͘͠͞ɻʢνʔϜ શһJ1IPOF9Ϣʔβʔͷ߹ɺը૾Λେ͖ΊʹτϦϛϯά͢ΔͳͲͯ͠ ͍ͯͩ͘͠͞ʣ w J1IPOFϢʔβʔͰը૾ͷ֦ுࢠઃఆ͕)&*'ʹͳͬͯ ͍Δ߹ɺKQHͰࡱӨͰ͖ΔΑ͏ʹมߋ͍ͯͩ͘͠͞ɻ )&*'ઃఆͰऔΓࠐΈ͕Ͱ͖·ͤΜ
ʢઃఆํ๏ɿ<ઃఆ>ˠ<Χϝϥ>ˠ<ϑΥʔϚοτ>ˠޓੑ༏ઌʣ
͋ͬͯ͞ΈΑ͏ 1SPUUͷΞΧϯτొͱ"QQ%-
Δ͜ͱ ࡞ͨ͠ϓϩτλΠϓΛɺϞόΠϧͰ֬ೝ͢ ΔͨΊʹઐ༻ͷΞϓϦΛ%-͠·͢ɻ IUUQTQSPUUBQQDPN ˞ࣗͷϝʔϧΞυϨεͰొ͍ͯͩ͘͠͞ ⁞1SPUUͷΞΧϯτొʢνʔϜͰ̍ਓʣ 1SPUUͷεϚϗΞϓϦ%-ʢશһʣ
1SPUUͷΞΧϯτొʢແྉʣ w νʔϜͷ୭͔̍ਓ͕ొ͢Ε0,Ͱ͢ʂ w ࣗݸਓͷϝʔϧΞυϨεͰొ͍ͯͩ͘͠͞ w ӈ্ͷʮແྉͰ͡ΊΔʯϦϯΫ͔ΒొͰ͖·͢ w ొछผʮݸਓར༻ʯΛબ͍ͯͩ͘͠͞ w
ొ࣌ͷ࣭ʮతʁʯʮतۀʯΛબ͍ͯͩ͘͠͞ w ొޙɺϝʔϧೝূ·Ͱ͍ྃͯͩ͘͠͞ IUUQTQSPUUBQQDPN Ͱݕࡧ 1SPUU
1SPUUͷϞόΠϧ"QQΠϯετʔϧ Ͱݕࡧ 1SPUU ‑ͬͪ͜Λ%- ‑ΞΧϯτొऀ͕ͬͪ͜%-͢Δ ͱɺը૾ͷΞοϓϩʔυ͕؆୯ʹͳΓ·͢
આ໌͓͠·͍ ϥϯνޙʹ࣮ફͯ͠Β͍·͢ʂ ʢ࣭͕͋ΕదٓͲ͏ͧʣ