睡眠サービスの開発で苦労した話

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1. ਭ຾αʔϏεͷ։ൃͰۤ࿑ͨ͠࿩
   ਭ຾ x IoT χϡʔϩεϖʔε&ϢχϑΝ Engineer Meetup
   גࣜձࣾχϡʔϩεϖʔε
   ߴాޛ࢙
   

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2. ࣗݾ঺հ
   • ߴాޛ࢙ʢ@satoshipʣ
   • 2008ʙ2018 ΫοΫύουגࣜձࣾ
   • Πϯϑϥ/৽نࣄۀ/ձһࣄۀ
   • 2018ʙ גࣜձࣾχϡʔϩεϖʔε
   • Ոి੍ޚʢϓϩτλΠϓʣ
   • AWS্ʹΠϯϑϥߏங
   • RailsΞϓϦέʔγϣϯ։ൃ
   

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4. ਭ຾श׳σβΠϯϓϩάϥϜͱ͸
   • 3͔݄Ͱਭ຾श׳Λ਎ʹ͚ͭΔϓϩάϥϜ
   • ैۀһ޲͚
   • ʮू߹ܗࣜͷݚमʯͱʮΞϓϦʯ
   • ཧ૝తͳਭ຾վળϓϩηεΛαϙʔτ͢ΔαʔϏε
   • 2019೥6݄ϦϦʔε
   

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5. ਭ຾श׳σβΠϯϓϩάϥϜ
   • EarlySenseࣾͷσόΠεΛར༻
   • ମಈɾݺٵ਺ɾ৺ഥ਺Λجʹਭ຾৘ใΛ෼ੳ
   • ҩྍ༻ͷਭ຾ܭଌػثͱͷਭ຾/֮੧ͷҰக཰92%
   

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6. • EarlySenseࣾͷσόΠεΛར༻
   • ମಈɾݺٵ਺ɾ৺ഥ਺Λجʹਭ຾৘ใΛ෼ੳ
   • ҩྍ༻ͷਭ຾ܭଌػثͱͷਭ຾/֮੧ͷҰக཰92%
   ਭ຾श׳σβΠϯϓϩάϥϜ
   

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7. ਭ຾श׳σβΠϯϓϩάϥϜ
   &BSMZ4FOTFࣾ χϡʔϩεϖʔε
   ਎ମσʔλΛղੳ͠
   ਭ຾σʔλ΁ม׵ ਭ຾σʔλΛղੳ
   ମಈɾݺٵ਺ɾ৺ഥ਺ΛૹΔ
   ղੳ݁ՌΛऔಘ͢Δ
   BLE
   ΞϓϦέʔγϣϯσʔλΛऔಘ͢Δ
   

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8. ਭ຾श׳σβΠϯϓϩάϥϜ
   1)ਭ຾ΛՄࢹԽ 2)ߦಈΛ͓͢͢Ί 3)ຖिϨϙʔτ
   

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9. ࠓ೔͸ͳ͢͜ͱ
   • ਭ຾αʔϏεͷ։ൃͰͲΜͳ໰୊ʹૺ۰͔ͨ͠ɺͲ͏
   ରԠ͍͔ͯͬͨ͠
   

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10. ࠓ೔ͷਭ຾ͱ͸໰୊
    

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11. ࠓ೔ͷਭ຾ͱ͸໰୊
    • αʔϏεͷੑ্࣭͢΂ͯͷجຊ
    • ࠓ೔9/25ͷਭ຾͸ʁ
    • 9/24໷ͷਭ຾ʁ9/25໷ͷਭ຾ʁ
    • γϑτۈ຿ऀʹͱͬͯࠓ೔ͱ͸ʁ
    9/24 9/25 9/26
    00:00 12:00 00:00 12:00 00:00
    

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12. ࠓ೔ͷਭ຾ͱ͸໰୊
    ೔தۈ຿ऀʹݶఆͯ͠ఆٛͨ͠
    • ສਓʹ౰ͯ͸·ΔఆٛΛ͢Δͷ͸೉͍͠
    • ຊαʔϏε͸͓΋ʹ೔தۈ຿ऀ޲͚
    • ͍͍ͩͨ20ʙ4࣌͜Ζʹ͸৸ͯ4ʙ11࣌͜Ζʹ͸ى͖Δ
    ͱͨ͠
    • ۩ମతʹ͸X೔ͷ8࣌ʙX+1೔ͷ8࣌ʹܭଌ։࢝ͨ͠ਭ຾
    ΛX೔ͷਭ຾ͱఆٛͨ͠
    

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13. ன৸͸ਭ຾ʹೖΔͷ͔
    

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14. ன৸͸ਭ຾ʹೖΔͷ͔
    • ன৸ʢԾ຾ʣ͸ύϑΥʔϚϯε޲্͕ظ଴Ͱ͖Δ
    • ன৸ΛͲ͏ѻ͏͔
    

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15. ன৸͸ਭ຾ʹೖΔͷ͔
    Ұ൪௕͍ਭ຾ͷΈΛର৅ʹͨ͠
    • ன৸ʢԾ຾ʣ͸ॏཁͳਭ຾
    • ਭ຾ෆ଍Λิ͏͜ͱ͕Ͱ͖Δ
    • ਭ຾͕࣌ؒॆ෼͔൑அ͢Δ͜ͱ͕Ͱ͖Δ
    • ͔͠͠ຊαʔϏε͸نଇਖ਼͘͠ॆ෼ͳਭ຾࣌ؒΛ֬อ
    ͍ͯ͠Δঢ়ଶ
    • Ұ೔ͰҰ൪௕͍ਭ຾Λຊਭ຾ͱఆٛͯ͠ຊਭ຾ͷΈΛ
    ධՁ͢Δ
    

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16. ਭ຾΁ͷޮՌ͕෼͔Δ·Ͱ
    ͕͔͔࣌ؒΔ
    

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17. ਭ຾΁ͷޮՌ͕෼͔Δ·Ͱ͕͔͔࣌ؒΔ
    • ຊ࣭తʹਭ຾վળΛ࣮ײ͢Δʹ͸਺ϲ݄͔͔Δ
    • ͓٬༷͕ޮՌΛ࣮ײ͢Δ·Ͱ͕͔͔࣌ؒΔ
    • ։ൃऀ͕ϓϩμΫτΛධՁ͢Δͷʹ͕͔͔࣌ؒΔ
    

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18. ਭ຾΁ͷޮՌ͕෼͔Δ·Ͱ͕͔͔࣌ؒΔ
    ୹ظతͳ࣮ײ͕Ͱ͖ΔΑ͏ઃܭͨ͠
    • ೔ʑͷश׳෇͚Ͱখ͞ͳมԽΛ࣮ײ
    • ೋ౓৸͢Δͱ͖͸໌Δ͘͢Δ͜ͱͰମ಺ϦζϜ͕ཚ
    Εͳ͍࣮ײ
    • ؼ୐࣌ͷిंͰ຾Βͳ͍͜ͱͰ৸͖ͭͷมԽΛ࣮ײ
    • 4ͭͷεςʔδʹ෼͚੒௕΁ͷมԽΛ࣮ײ
    • গͣͭ͠਎ʹ෇͚͍ͯΔײ֮
    

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19. ಈ࡞֬ೝʹ͕͔͔࣌ؒΔ
    

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20. ಈ࡞֬ೝʹ͕͔͔࣌ؒΔ
    • ͪΌΜͱܭଌͰ͖͍ͯΔ͔͸৸ͳ͍ͱ෼͔Βͳ͍
    • ։ൃ౰ॳ͸ܭଌͦͷ΋ͷ͕ෆ҆ఆͩͬͨ
    • େ͖Ίͷػೳ௥Ճ͕ܭଌʹӨڹΛ༩͍͑ͯͳ͍͔֬ೝ
    ͍ͨ͠
    

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21. ಈ࡞֬ೝʹ͕͔͔࣌ؒΔ
    ࣮ࡍʹԾ຾ࣨͰ৸ͯ΋Βͬͨ…
    • ʢϕουͷ্ʹ৐ͤͨΒܭଌͰ͖ΔσόΠε͕͋Δͱ͍
    ͍ͷ͚ͩͲʣ
    

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22. ىচ࣌ࠁΛਖ਼֬ʹ೺ѲͰ͖ͳ͍
    

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23. ىচ࣌ࠁΛਖ਼֬ʹ೺ѲͰ͖ͳ͍
    • ىচ࣌͸ਭ຾΁ͷҙ͕ࣝߴ͍
    • ىচ௚ޙʹϓογϡ௨஌ΛૹΔͳͲ͍ͨ͠
    • ֮੧ͯ͠গͨ͠͠λΠϛϯά
    • →຾Εͳ͍ͷ͔΋͠Εͳ͍
    • ཭চͨ͠λΠϛϯά
    • →τΠϨʹߦ͚͔ͬͨͩ΋͠Εͳ͍
    

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24. ىচ࣌ࠁΛਖ਼֬ʹ೺ѲͰ͖ͳ͍
    ઌिͷฏۉ֮੧࣌ࠁΛݩʹܭࢉͨ͠
    • աڈͷ࣮੷͔Βىচ௚ޙͰ͸ͳ͍͕஗͗͢ͳ͍λΠϛ
    ϯάʹϓογϡ௨஌ΛૹΔ
    • ࡢ൩ͷਭ຾͕ͳ͍৔߹͸ૹΒͳ͍
    

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25. αʔόଆͰ෼͔Βͳ͍͜ͱ͕ଟ͍
    

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26. αʔόଆͰ෼͔Βͳ͍͜ͱ͕ଟ͍
    • ΫϥΠΞϯτΞϓϦ͕௚઀EarlySenseࣾͱ௨৴͍ͯ͠Δ
    ͷͰͦͷؒͷ༷ࢠ͕෼͔Βͳ͍
    • ܭଌࣦഊ࣌ʹηϯαʔىҼͳͷ͔৸۩؀ڥͳͷ͔ιϑ
    τ΢ΣΞόάͳͷ͔੾Γ෼͚͕೉͍͠
    &BSMZ4FOTFࣾ χϡʔϩεϖʔε
    

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27. αʔόଆͰ෼͔Βͳ͍͜ͱ͕ଟ͍
    ͓٬༷ʹ͓ئ͍ͯ͠௨৴ϩάΛૹ͍͍ͬͯͨͩͨ
    • εϚʔτͰͳ͍ղܾࡦ
    • netfoxΛ࢖͍΍͘͢վ଄ͯ͠૊ΈࠐΜͰ͍Δ
    • ඞཁͳ௨৴ͷΈʹϑΟϧλϦϯά
    • աڈϩά΋࢒͢
    • ৸۩؀ڥ౳ʹ͍ͭͯ͸׬શͳϚχϡΞϧରԠ
    

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28. ·ͱΊ
    

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29. ·ͱΊ
    • ਭ຾Λѻ͏αʔϏε։ൃͰ͸࣌ؒʹؔ࿈͢Δۤ࿑͕ଟ
    ͔ͬͨ
    • ԿͷͨΊͷαʔϏε͔͔Βߟ͑ͯ࢓༷ΛܾΊ͍ͯͬͨ
    • ਓྗͰͳΜͱ͔͢Δ͜ͱ΋ͦͦ͋ͬͨ͜͜
    

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30. ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠
    

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