ScalaとPerlでMicroservices in production / Building microservices with Perl and Scala in production

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ScalaͱPerlͰ  Microservices in production id:aereal  @ Cookpad Tech Kitchen #11 feat. ͸ͯͳ

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ࣗݾ঺հ • id:aereal • גࣜձࣾ͸ͯͳ (2012ʙ) • ͸ͯͳϒοΫϚʔΫ • ͸ͯͳϒϩά (ςοΫϦʔυ) • Perl, Ruby, Scala, Shell Script

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͸ͯͳʹ͓͚ΔςοΫϦʔυɺ  ͦͯ͠αʔϏεϓϥοτϑΥʔϜνʔϜͷ ςοΫϦʔυʹ͍ͭͯ http://developer.hatenastaﬀ.com/entry/2017/09/28/110000

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ΞδΣϯμ • Microserviceͱͯ͠࡞ͬͨ৽αʔϏεʹ͍ͭͯ • ຊ൪౤ೖͯ͠ͷ࠾఺ • Ψόφϯε • ڍ͍͛ͯͨ՝୊͸ղܾ͞Ε͔ͨ

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৽αʔϏεʹ͍ͭͯ

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http://hatenablog.com/

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“͸ͯͳϒϩάΛ΋ͬͱຊ֨తʹ࢖͍͍ͨํͷͨ Ίʹɺ༗ྉϓϥϯʮ͸ͯͳϒϩάProʯΛ༻ҙ͠ ͓ͯΓ·͢ɻ޿ࠂͷඇදࣔ΍ಠࣗυϝΠϯػೳ ͳͲɺ͸ͯͳϒϩάΛΑΓศརʹ͓࢖͍͍ͨͩ ͚·͢ɻ” http://hatenablog.com/guide/pro

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͸ͯͳϙΠϯτ ΫϨδοτΧʔυ ίϯϏχৼࠐ ۜߦৼࠐ ࢖༻ https://www.hatena.ne.jp/shop/point/list

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http://hatena.g.hatena.ne.jp/hatena/20150529/1432869070

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վम or ࡞Γ௚͠ • چγεςϜ͸ϞϊϦγοΫ • ܾࡁͯ͠͸ͯͳϙΠϯτΛνϟʔδ͢Δ • ͸ͯͳϙΠϯτΛ࢖ͬͯߪೖ͢Δ • ࢓༷Λ੔ཧ͢Δ͍͍ػձͰ΋͋Δ

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ܾࡁ୅ߦαʔϏε  (֎෦) ͸ͯͳͷαʔϏε (ϒοΫϚʔΫͳͲ) ݱߦܾࡁγεςϜ ϙΠϯτ؅ཧ ڞ༗Ϟδϡʔϧ ༗ྉϓϥϯ؅ཧ ґଘ ͸ͯͳͷαʔϏε ґଘ ͸ͯͳͷαʔϏε ґଘ etc. ΞΧ΢ϯτ چܾࡁγεςϜͷߏ੒

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چܾࡁγεςϜͷߏ੒ • ܾࡁγεςϜ: WebΞϓϦέʔγϣϯ • API͸ͳ͘HTMLͷϑΥʔϜ͕͋ΔͷΈ • ڞ༗Ϟδϡʔϧ: ܾࡁ୅ߦαʔϏεͱ௨৴͢Δ࣮૷ • ͨ͘͞ΜͷϦϙδτϦ͔Βґଘ͞Ε͍ͯΔ • ڞ༗DBΛૢ࡞͢Δ

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چܾࡁγεςϜͷվम? • ΄ͱΜͲݱ࣮తͰ͸ͳ͍ • ޓ׵ੑʹؔ͢ΔεΩʔϜ͕ͳ͍ • ׬શޙํޓ׵ or die • ෳ਺ͷυϝΠϯ͕ೖΓཚΕ͍ͯΔ • ݱࡏͷ࢓༷ʹӨڹΛڧ͘ड͚Δ • վળ͕·ΘΒͳ͍

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ϑϧεΫϥον

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৽ܾࡁγεςϜ • ܾࡁ୅ߦαʔϏεͷήʔτ΢ΣΠͱͯ͠ಇ͘ • ͸ͯͳϒϩάProͷ෇༩ͳͲ͸֤αʔϏεʹҠৡ • JSON over HTTPͳAPIͷΈΛఏڙ͢Δ • ର৅͸SSKDs (= small set of known developers)

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৽ܾࡁγεςϜ  ߏ੒ਤ ܾࡁ୅ߦαʔϏε  (֎෦) ͸ͯͳͷαʔϏε ༗ྉϓϥϯͷ ঢ়ଶ؅ཧ ৽ܾࡁγεςϜ UI API

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http://staﬀ.hatenablog.com/entry/2017/07/10/160000

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ຊ൪౤ೖͯ͠ͷ࠾఺

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ͦͷલʹৼΓฦΓ

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ϚΠΫϩαʔϏεͰ࡞Δ͔ • 1ʙ3ষʹ͔͚ͯϝϦοτ΍ ʮ༏ΕͨαʔϏεʯʹ͍ͭͯ ड़΂ΒΕ͍ͯΔ • ϚΠΫϩαʔϏεʹΑͬͯ  αʔϏε͸ΑΓΑ͘ͳΔͷ͔ • ΨόφϯεͳͲɺ  ίετ͸෷͑ΔͩΖ͏͔ https://www.oreilly.co.jp/books/9784873117607/

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ૄ݁߹ͱߴڽूੑ 1. ϞϊϦγοΫͰखΛೖΕͮΒ͍ (ີ݁߹) 2. ৽ͨʹ༗ྉϓϥϯΛಋೖ͍ͨ͠αʔϏε͸࠶࣮૷ 3. υϝΠϯ஌͕ࣝྲྀग़ (௿ڽूੑ) 4.

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࣋ଓՄೳʹ࡞Γ (ͳ͓͠) ͍ͨ • είʔϓΛখ͘͞໌ྎʹอͭ • ૄ݁߹ (ʰϚΠΫϩαʔϏεΞʔΩςΫνϟʱ3.2.1) • ߴڽूੑ (ʰϚΠΫϩαʔϏεΞʔΩςΫνϟʱ3.2.2) • ෼ׂ౷࣏͢Δ • ٕज़ҟ࣭ੑ • σϓϩΠͷϥΠϑαΠΫϧΛૣΊΔ

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͏·͍ͬͨ͘? • Ψόφϯε͸͏·͍͔ͬͨ͘ • ૄ݁߹ʹͳ͔ͬͨ • ߴڽूʹͳ͔ͬͨ

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Ψόφϯε: ̋ • ͸ͯͳϒϩάͱ৽ܾࡁγεςϜΛ  ڠௐͤͯ͞มߋ͢Δඞཁ͕͋Δ • → νʔϜΛϞϊϦγοΫʹ͢Δ͜ͱͰ෼அΛ๷͛ͨ • ଞνʔϜͱͷ࿈ܞ΋͓͓ΉͶ໰୊͸ى͖ͳ͔ͬͨ • ৽ܾࡁγεςϜͷϏδϣϯΛڞ༗͍ͯͨ͠ • → ͍͖ͳΓγεςϜ͕ૠ͛ସΘΔ͜ͱ͸ͳ͔ͬͨ

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ϞϊϦγοΫͳνʔϜ • ͸ͯͳϒϩάଆͷ։ൃͱ৽ܾࡁγεςϜͷ։ൃϝϯόʔΛ Ұகͤͨ͞ • (౰ॳɺ͸ͯͳϒϩάଆΛଞͷϝϯόʔʹ͓ئ͍͢Δ͜ͱ ΋ݕ౼͍ͯͨ͠) • → ஌͕ࣝڽू͞Εɺຊ౰ʹඞཁͳ΋ͷΛద੾ʹ࡞Εͨ

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ૄ݁߹: ̋ • UI૚ͱAPI૚ΛผͷݴޠͰ࣮૷͢Δ͜ͱͰ෼அ • UI૚ = Perl, API૚ = Scala • → چγεςϜͰ໰୊ͱͳͬͨڞ༗ΧʔωϧԽΛ๷͙ • ޓ׵͕ඞཁͳೝূΛUI૚ʹཹΊΒΕͨ • → ݁Ռͱͯ͠UI૚͕API૚ʹର͢Δ෗ഊ๷ࢭ૚ʹͳΔ

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ߴڽूੑ: ˚ • UI૚ͱAPI૚ͷσϓϩΠλΠϛϯάΛἧ͑Δඞཁ͕͋Δ • → ͚ͩ͜͜ݟΔͱ࣌ظঘૣͩͬͨײ͸͋Δ • ʮ࠷ॳͷ30೔ؒ͸ແྉͰར༻Ͱ͖Δʯͱ͍͏৘ใ͸ɺ  ͸ͯͳϒϩάʹด͍ͯ͡ΔͷͰച্ूܭ͕΍΍೉͍͠ • → ϞσϦϯά͸ద੾ͩͬͨͱࢥ͏ͷͰɺ  ूܭํ๏ͷվળͳͲͰΞϓϩʔν͍ͨ͠

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࠾఺: 70఺ • ͋ͱ͔ΒϦΧόʔͮ͠Β͍఺ (ྫ: Ψόφϯε) ͸  ઌʹखΛଧͯͨ • Ұํɺٕज़తͳΞϓϩʔν (ྫ: σϓϩΠɺ౷߹ςετ) ͸ ·ͩ·ͩ΍ΕΔ͜ͱ͕͋Δ

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·ͱΊ

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MicroservicesԽ͸ΞϦ͔ • ৽ܾࡁγεςϜͰ࠾༻ͨ͠ͷ͸ਖ਼ղͩͬͨ • Microservices͸ܥΛ࡞ΔͨΊͷσβΠϯ • = νʔϜ (ਓɺ૊৫) ·ͰϚΠΫϩʹ෼ׂ͢Δඞཁ͸ͳ͍ • ͦͷ୅ΘΓ͖ͪΜͱ๧ࢠΛඃΓ௚ͤͳ͍ͱ͍͚ͳ͍