Practical Hexaville(ja)

by Yuki Takei

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࣮ફHexaville Yuki Takei@Tokyo Server Side Swift Meetup #8 27 Jun, 2017 ʙ 5෼Ͱ࡞ΔαʔόʔϨεͳSwift੡SNSೝূαʔόʔ ʙ

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ࣗݾ঺հ

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• Hexavilleͷ঺հ • 5෼Ͱ࡞ΔSwift੡SNSೝূαʔόʔ • HexavilleͰwebαʔϏεΛ࡞Δ্Ͱͷϊ΢ϋ΢ • CIɺσϓϩΠͷࣗಈԽ • ࠓޙͷϩʔυϚοϓ ΞδΣϯμ

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Hexavilleͷ঺հ

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ࠓྲྀߦΓͷαʔόʔϨε αʔόʔϨείϯϐϡʔςΟϯάͱ͸ɺΫϥ΢ υϓϩόΠμʔ͕ΞϓϦέʔγϣϯʹඞཁͳϚ γϯϦιʔεͷׂΓ౰ͯΛಈతʹ؅ཧ͠ɺࣄલ ʹߪೖ͞Εͨ͜ͱʹجͮ͘੥ٻͰ͸ͳ͘ɺ֤Ξ ϓϦέʔγϣϯཁٻΛຬͨͨ͢Ίʹ࢖༻͞ΕΔ ݸʑͷϦιʔεྔʹج͍ͮͨ੥ٻΛߦ͏Α͏ͳ Ϋϥ΢υίϯϐϡʔςΟϯάϞσϧɻ wikipedia αʔόϨεɾίϯϐϡʔςΟϯά ΑΓ

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Hexavilleͱ͸ • Swift੡ͷαʔόʔϨε؀ڥΛߏங͢ΔϑϨʔϜϫʔΫͱͦͷ πʔϧ܈ (ݱࡏ͸AWS Lambda + API GatewayͷΈ) • ίʔυϕʔε͕SwiftͷͨΊɺiOSΞϓϦέʔγϣϯΛॻ͘Ԇ௕ ͰαʔόʔϓϩάϥϜΛهड़Ͱ͖Δɻ • ී௨ͷwebΞϓϦέʔγϣϯΛ࡞ͬͯσϓϩΠ͢Δ͚ͩ • ίϚϯυҰͭͰΫϥ΢υ্ʹσϓϩΠ͞Εɺαʔόʔӡ༻ͳ ͠ͰαʔϏεΛ։࢝Ͱ͖Δ • XcodeͰͷ։ൃ؀ڥΛఏڙɺInstrumentsɺLLDBΛ࢖ͬͨσ όοά΋Մೳ

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Πϯετʔϧ

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1ίϚϯυͰΠϯετʔϧՄೳ

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HexavilleͷϓϩδΣΫτΛ࡞੒͢Δ

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HexavilleͷϓϩδΣΫτΛ࡞੒͢Δ

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ઃఆϑΝΠϧ(Hexavilleﬁle.yml)

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HexavilleΛ࢖ͬͨWebΞϓϦέʔγϣϯͷهड़ํ๏

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HexavilleΛ࢖ͬͨWebΞϓϦέʔγϣϯͷهड़ํ๏ ϑϨʔϜϫʔΫͷΠϯελϯεΛ࡞੒

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HexavilleΛ࢖ͬͨWebΞϓϦέʔγϣϯͷهड़ํ๏ Middlewareͷొ࿥ʢඞਢͰ͸ͳ͍ʣ

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HexavilleΛ࢖ͬͨWebΞϓϦέʔγϣϯͷهड़ํ๏ RoutingͱͦͷURIͷϓϩάϥϜͷ࣮૷

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HexavilleΛ࢖ͬͨWebΞϓϦέʔγϣϯͷهड़ํ๏ ΞϓϦέʔγϣϯͷىಈ

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$ hexaville deploy Hello σϓϩΠ

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$ hexaville deploy Hello Start to build swift... Building application.... Generating Routing Manifest file.... Sending build context to Docker daemon 176 MB Step 1/11 : FROM ubuntu:14.04 ---> 132b7427a3b4 Step 2/11 : RUN apt-get update -y ---> Using cache ---> fd9a040329d6 Step 3/11 : RUN apt-get install -y clang libicu-dev libbsd-dev uuid-dev git libxml2-dev libxslt1-dev python-dev libcurl4-openssl-dev wget ---> Using cache ---> c4890f13de61 Step 4/11 : ENV SWIFT_DOWNLOAD_URL https://swift.org/builds/swift-3.1-release/ ubuntu1404/swift-3.1-RELEASE/swift-3.1-RELEASE-ubuntu14.04.tar.gz ---> Using cache ---> a5ac353284e3 Step 5/11 : ENV SWIFTFILE swift-3.1-RELEASE-ubuntu14.04 ---> Using cache Ϗϧυ։࢝ σϓϩΠ

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σϓϩΠͷ׬ྃ Deploying to staging ###################################################### Information ApplicationName: AuthService Endpoint: https://bma4gjwu36.execute-api.ap-northeast-1.amazonaws.com/staging Stage: staging ###################################################### All Done.

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Routingͷ֬ೝ $ hexaville routes

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Routingͷ֬ೝ $ hexaville routes Endpoint: https://bma4gjwu36.execute-api.ap-northeast-1.amazonaws.com/staging Routes: GET /auth/twitter/callback GET /auth/twitter GET / GET /auth/facebook GET /auth/facebook/callback

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XcodeΛ࢖ͬͨɺMac্Ͱͷ։ൃͱDebugαʔόʔͷىಈ https://youtu.be/Lj7Jg_XlmIU σϞ

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5෼Ͱ࡞ΔSwift੡SNSೝূαʔόʔ

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webαʔϏεΛ࡞Δ্ͰɺSNSΞΧ΢ϯτΛ࢖ͬͨ ϩάΠϯػೳ͸ࠓ΍ແͯ͘͸ͳΒͳ͍΋ͷʹ…

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ͨͩɺຖ౓ຖ౓࡞Δͷ͸໘౗

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֤αʔϏε͕SNSೝূػೳΛ͍࣋ͬͯΔέʔε Service 1 Service 2 DB DB

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Service3, Service4ͱ૿͍͑ͯͬͨΒͲ͏ͳͬͪΌ͏ʁ

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ͦΜͳͱ͖͸ɺαʔόʔϨεͷग़൪

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HexavilleΛ࢖ͬͯೝূαʔϏεΛαʔόʔϨεԽ DB Hexaville Auth Service Service 2 DB Service 1

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DB Hexaville Auth Service Service 2 DB Service 1 ֤αʔϏε͕ೝূϓϩάϥϜΛ࣋ͨͳ͍͍ͯ͘ HexavilleΛ࢖ͬͯೝূαʔϏεΛαʔόʔϨεԽ

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DB Hexaville Auth Service Service 2 DB Service 1 ೝূαʔϏε͕Ұͭʹ·ͱ·Δ্ɺӡ༻ෆཁʹʂ HexavilleΛ࢖ͬͯೝূαʔϏεΛαʔόʔϨεԽ

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ೝূϓϩάϥϜΛ֤αʔϏεʹ࣮૷͢Δ࣌୅͸ɺ ΋͏ऴΘΓͭͭ͋Δ

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Ͱ͸ૣ଎ɺ5෼Ͱαʔόʔӡ༻͕ෆཁͳೝূαʔϏεΛ ࡞ͬͯΈ·͠ΐ͏

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• Hexavilleʹ༷ʑͳೝূػೳΛఏڙ͢ΔϓϥάΠϯ • OAuth1, OAuth2ΫϥΠΞϯτΛఏڙ • FacebookɺGithubɺGoogle, TwitterͷOAuthΛσϑΥϧτͰ ఏڙ • HexavilleͷRouterͱͯ͠ಈ࡞͢Δ • ηογϣϯΛར༻Մೳ(Memory, Redis, Dynamodb(࣮૷த)) • ಠࣗͷOAuthΫϥΠΞϯτΛϓϩτίϧʹԊͬͯ؆୯ʹ࡞੒ Մೳ HexavilleAuth

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Facebook(OAuth2)ͷྫ

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HexavilleAuthͷΠϯελϯε࡞੒ Facebook(OAuth2)ͷྫ

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FacebookAuthorizationProviderͷΠϯελϯε࡞੒ Facebook(OAuth2)ͷྫ

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PATHɿೝূURL(͜͜ʹདྷͨΒfacebookʹϦμΠϨΫτ) Facebook(OAuth2)ͷྫ

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consumerKey, SecretɿFBΞϓϦ༻ͷΫϨσϯγϟϧ Facebook(OAuth2)ͷྫ

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callbackURL: OAuth੒ޭޙͷભҠઌ Facebook(OAuth2)ͷྫ

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scope: OAuth2ͷείʔϓ Facebook(OAuth2)ͷྫ

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OAuth2ͷೝՄ͕௨ͬͨ৔߹ͷcallbackɻ credential(access-token)ɺೝՄuserͳͲͷ৘ใ ͕औಘͰ͖Δ Facebook(OAuth2)ͷྫ

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HexavilleAuthͷΠϯελϯεʹ facebookProviderΛ௥Ճ Facebook(OAuth2)ͷྫ

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Facebook(OAuth2)ͷྫ HexavilleAuthͷΠϯελϯεΛrouting͢Δ

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͋ͱ͸hexaville deployίϚϯυͰɺ σϓϩΠ͢Δ͚ͩʂ

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https://youtu.be/Uv-vma234UQ σϞ

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5෼ͰೝূαʔϏε͕࡞Εͯ͠·͍·ͨ͠ ͔͠΋SwiftͰʂ

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https://github.com/Hexaville/HexavilleAuth/blob/master/ Sources/HexavilleAuthExample/main.swift ͦͷଞɺTwitter΍GoogleͳͲͷαϯϓϧ͸ͪ͜Β͔Β

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• device tokenͳͲͷొ࿥αʔόʔ • CRUDͷAPI΍JSON-RPCαʔόʔ • HTML഑৴αʔόʔ • ը૾ϦαΠζαʔόʔ(SwiftͱCϥΠϒϥϦͱͷ ਌࿨ੑͷߴ͞΋˓) ͦͷଞʹHexaville͕޲͍͍ͯΔαʔϏε

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αʔόʔϨε͸ར఺Λ্͛Ε͹ΩϦ͕ͳ͍Ͱ͕͢ɺ൓໘ɺ ໰୊఺΋͍͔ͭ͘ଘࡏ͠·͢ɻ

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HexavilleͰαʔόʔϨεΞϓϦέʔγϣϯΛ࡞Δࡍʹɺ ؾΛ͚ͭΔ఺΍ͦͷଞͷϊ΢ϋ΢Λ͝঺հ͠·͢ɻ

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HexavilleͰwebαʔϏεΛ࡞Δ্Ͱͷϊ΢ϋ΢

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Server ैདྷͷwebΞϓϦέʔγϣϯͷ࣮ߦϞσϧ DB connection pool

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Lambda Function Lambda Function Lambda Function Lambda Function Lambda Function αʔόʔϨε ίϯϐϡʔςΟϯάͷ࣮ߦϞσϧ

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DB Lambda Function Lambda Function Lambda Function Lambda Function Lambda Function αʔόʔϨε ίϯϐϡʔςΟϯάͷ࣮ߦϞσϧ(DB઀ଓ༗Γ)

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αʔόʔϨε ίϯϐϡʔςΟϯάͷ࣮ߦϞσϧ(DB઀ଓ༗Γ) DB Lambda Function Lambda Function Lambda Function Lambda Function Lambda Function ΫϥΠΞϯτͷίωΫγϣϯ਺ || DBͷίωΫγϣϯ઀ଓ਺

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αʔόʔϨε ίϯϐϡʔςΟϯάͷ࣮ߦϞσϧ(DB઀ଓ༗Γ) DB Lambda Function Lambda Function Lambda Function Lambda Function Lambda Function DB͸1connection = 1threadͰ ड͚෇͚Δ࣮૷͕ଟ͍

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αʔόʔϨε ίϯϐϡʔςΟϯάͷ࣮ߦϞσϧ(DB઀ଓ༗Γ) DB Lambda Function Lambda Function Lambda Function Lambda Function Lambda Function ॏ͍ΫΤϦΛ౤͍͛ͯͳͯ͘΋ɺ େͨ͠਺ͷΫΤϦΛ౤͍͛ͯͳͯ͘΋ɺ ͋ͳͨͷDB͸൵໐Λ্͛Δ͜ͱʹͳΓ·͢ɻ

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αʔόʔϨε ίϯϐϡʔςΟϯάͷ࣮ߦϞσϧ(DB઀ଓ༗Γ) DB Lambda Function Lambda Function Lambda Function Lambda Function Lambda Function RedisͳͲͷϊϯϒϩοΩϯάͳNoSQLσʔλ ϕʔε΋ྫ֎ʹ΋ΕͣɺίωΫγϣϯ਺΍ಉ࣮࣌ ߦ਺͕૿͑Ε͹ͦͷ෼DB΁ͷෛՙ΋্͕Δɻ ·ͨɺ઀ଓՄೳͳΫϥΠΞϯτ਺͸Ϛγϯεϖο Ϋʹґଘ͢ΔͨΊɺແବʹNode͕૿͑ΔՄೳੑ ΋ɻ

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• ͦ΋ͦ΋ͦͷσʔλ͸ͦͷDBʹอଘ͢Δඞཁ͸͋Δͷ͔ʁ • DynamodbΛར༻͢Δ(ΩϟύγςΟʔϢχοτ͕Φʔτε έʔϧରԠ͠ɺίωΫγϣϯ਺Λجຊతʹؾʹ͢Δඞཁ͕ ແ͘ͳͬͨ) • DBίωΫγϣϯϓʔϧ༻ͷαʔόʔΫϥελʔΛ࡞Γɺ lambda͔Β͸ͦͷΫϥελʔʹ઀ଓ͠ɺΫϥελʔ಺ͷΠ ϯελϯε͕DB΁ͷ௨৴Λ୅ߦ͢Δɻ • SQSΛ࢖ͬͨδϣϒΩϡʔ+ϫʔΧʔύλʔϯͰඇಉظʹ DBΠϯαʔτ(SQSͷฒྻ࣮ޮੑೳະݕূ) ΫϥΠΞϯτͷίωΫγϣϯ਺ = DB઀ଓ਺ͷղܾҊ

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ίʔϧυελʔτ໰୊ ॳճىಈ࣌΍ɺ͠͹Β͘ΞΫηε͕ແ͍৔߹ɺlambda͸ίʔ ϧυঢ়ଶʹҠߦ͢Δɻ ࣍ͷϦΫΤετͰίʔϧυঢ়ଶ͔Β෮ؼ͢Δ·ͰͷΞΠυϧ࣌ ͕ؒ͜ͷίʔϧυελʔτ໰୊Ͱ͋Δɻ(ίϯςφ΍ωοτ ϫʔΫΠϯλʔϑΣʔεͷηοτΞοϓʹ͕͔͔࣌ؒΔ) ࠷େͷ໰୊͸ɺϦΫΤετ͕λΠϜΞ΢τ͢Δ͔΋ͱ͍͏఺ (10ඵ)

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ίʔϧυελʔτ໰୊ͷղܾҊ • ͦ΋ͦ΋ਓʹΑͬͯ͸໰୊ʹͳΒͳ͍έʔε΋ • τϥϑΟοΫ͕ৗ࣌͋Δ৔߹͸΄ͱΜͲൃੜ͠ ͳ͍ͱͷ͜ͱʢAWSެࣜεϥΠυΑΓʣ • lambdaͷεέδϡʔϦϯάػೳ(cronʹ૬౰)Λ ࢖ͬͯɺఆظతʹΤϯυϙΠϯτʹϦΫΤετ Λ౤͛Δ͜ͱͰɺ΢ΥʔϜঢ়ଶΛอͭ

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• Hexaville͸όΠφϦίϯςϯπͷϨεϙϯε͕Մೳɻ= SwiftProtobufͱNSURLSessionͰ؆୯ɺ҆શʹ௨৴ग़དྷΔ • SPM੡ͷϥΠϒϥϦ͕ͦͷ··࢖͑Δ • ΫϥΠΞϯτϥΠϒϥϦ΋ͦͷ··࢖͑Δέʔε΋ (SwiftyJSONɺSwiftProtoBuf etc..) • VPC΍ΧελϜυϝΠϯ͕࢖͑Δ • Session͕࢖͑Δ • Linux͔Β΋deployͰ͖Δ ͦͷଞHexavilleͰग़དྷΔ͜ͱʢൈਮʣ

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ͱ͍͏͜ͱ͸…!

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CIɺσϓϩΠͷࣗಈԽ

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ݱࡏCI؀ڥ͸ܶతʹ޲্͠ɺ ແྉαʔϏε͕୆಄͠·͍ͬͯ͘·͢Ͷɻ

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Hexaville͸ϝδϟʔͳCIαʔϏεͰಈ࡞͢Δ

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Hexaville͸Linux͔Β΋σϓϩΠՄೳͳͷͰɺ ແྉͰCI؀ڥΛ࡞Δ͜ͱ͕ग़དྷ·͢ɻ

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Travis͔ΒࣗಈσϓϩΠ͢Δྫ

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Hexaville͸ϩʔΧϧͰ΋αʔόʔΛىಈͰ͖ΔͷͰɺ APIͷςετίʔυ΋؆୯ʹॻ͚·͢

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αʔόʔϨεͰ΋؆୯ʹCIΛಋೖՄೳʂ

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ࠓޙͷϩʔυϚοϓ

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• Dynamodb΁ͷ؆қΞΫηεAPI • MysqlɺRedisͷίωΫγϣϯϓʔϦϯάαʔόʔΛECSαʔϏεͱ ͯ͠ఏڙ • ϩάू໿ϓϥάΠϯͷ։ൃ • Dockerίϯςφ಺Ͱςετίʔυ࣮ߦͷαϙʔτ(CI؀ڥʹSwiftࣗ ମͷΠϯετʔϧΛ͠ͳͯ͘ࡁΉΑ͏ʹ) • grpcͷΑ͏ͳܗͰΫϥΠΞϯτ <-> αʔόʔؒͷαʔϏεͷΠλʔ ϑΣʔεΛఆٛͰ͖ΔΑ͏ʹʢTLS+http1.1ʣ • SwiftެࣜHTTP APIͱͷ౷߹ ࠓޙͷϩʔυϚοϓ

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HexavilleΛ࢖ͬͯɺ Server SideͰ΋ΨϯΨϯSwiftॻ͖·͠ΐ͏ʂ

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ڵຯͷ͋Δํ͸ɺ͓ؾܰʹ։ൃʹ͝ࢀՃԼ͍͞ʂ

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͓஌Βͤ

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builderscon 2017Ͱ࿩͠·͢ʂ 8݄5೔ PM3:50ʙ

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ઌఔͷϩʔυϚοϓΛؚΊ࣮ͨફతͳ Hexaville։ൃ/ӡ༻ͷ࿩ͷ΄͔ɺHTTP APIͱͷ౷߹΍ Swiftαʔόʔ։ൃͷ࠷લઢʹ͍ͭͯൃද͠·͢ɻ

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νέοτͷൢച͸ऴྃͯ͠͠·ͬͨ໛༷Ͱ͕͢ɺ ௥Ճൢച΋༧ఆ͍ͯ͠ΔʁΈ͍ͨͳͷͰνέοτ ແ͍͚Ͳ౰೔ࢀՃ͍ͨ͠ͱ͍͏ํ͸ɺ #buidersconΛ͚ͭͯTweetͯ͠ΈͯԼ͍͞ʂ

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͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ