Scalaとサーバレス相性いいよ

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4DBMBͱαʔόϨε ૬ੑ͍͍Α 4BU !ZPTIJZPTIJGVKJJ

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͸͡Ί·ͯ͠ w:PTIJUBLB'VKJJ !ZPTIJZPTIJGVKJJ w4PGUXBSF&OHJOFFS w4DBMB1ZUIPO+BWB 5ZQFTDSJQU w4DBMBؔ੢4VNNJU4UB⒎ w4FSWFSMFTT.FFUVQ0TBLB 4UB⒎

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ձ৔εϙϯαʔ΍ͬͯ·͢ ʮ੢ͷ੟஍ʯ ͱݺ͹Εͯ·͢

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ି͠ग़͠Ͱ͖Δ෦԰ w ηϛφʔϗʔϧ ໊ w ձٞࣨ ໊͔Β໊ w ΧϑΣεϖʔε ໊ w ϏΞόογϡͳͲͷ࠙਌ձ΋։࠵ՄೳͰ͢ʂ

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೥݄೔ ౔ !ఱຬݚमηϯλʔ

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೥݄೔ ۚ ʙ !.05&9 IUUQTTFSWFSMFTTDPOOQBTTDPNFWFOU

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೥݄೔ ۚ ʙ !͘͞ΒΠϯλʔωοτ෱ԬΦϑΟε IUUQTTFSWFSMFTTDPOOQBTTDPNFWFOU

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ຊ୊

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4DBMBؔ੢4VNNJU $'1Λग़͠·ͨ͠

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෼ 4FSWFSMFTTͱ%%%ͱ 4DBMB͸૬ੑ͍͍ͧ

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མબʜʌ Ň✱Ň ů

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ͳͷͰࠓ೔͸ ෼Ͱ࿩͠·͢

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4DBMBͱαʔόϨε ͸૬ੑ͍͍Α

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4FSWFSMFTT"SDIJUFDUVSFΛߏங͢Δͳ Βɺ%%%Λ4DBMBͰ࣮૷͢Δͱ͍͍Α

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4FSWFSMFTTͱ %%%ͱ 4DBMB͸ ૬ੑ͍͍ͧ

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ઌʹ݁࿦ w%%%ͷϨΠϠʔԽΞʔΩςΫνϟʹج͍ͮͨϓϩδΣ Ϋτઃܭ wϕϯμʔϩοΫΠϯΛۃখԽ wςετ༰қͳ։ൃΛ࣮ݱ w4DBMBͱTCUͷϚϧνϓϩδΣΫτΛ׆༻͢Δͱɺͱͯ ΋૬ੑ͕͍͍

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ઌʹ݁࿦ w΋ͪΖΜશ෦͕શ෦߹͏Θ͚͡Όͳ͍ wҎԼͷέʔε͸ɺ1ZUIPOͳΓ/PEF+4͕ྑ͍ͱ ࢥ͍·͢ɻ wγϯϓϧͳ$36%ͷΈ w8FC"1*͕ݸ͙Β͍

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ࠓճͷείʔϓ w3&45GVMͳ8FC"1*γεςϜΛ૝ఆ wಉظɾඇಉظॲཧΛ࣮૷ wϏδωεϩδοΫ͕͋Δ wίΞυϝΠϯͰ͸ͳ͍

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4FSWFSMFTT"SDIJUFDUVSFͷಛ௃ w'BB4 'VODUJPOBTB4FSWJDF Λ  ׆༻ͨ͠γεςϜ wίετͷେ෯ͳ࡟ݮ wεέʔϥϏϦςΟ wΠϯϑϥͷӡ༻؅ཧ͕গͳ͍

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γεςϜߏ੒ਤ Amazon API Gateway client AWS Lambda Amazon S3 Amazon DynamoDB Amazon Kinesis AWS Lambda AWS Lambda Amazon Elasticsearch Service Context + Token Principal + Policy Policy is cached Denied 403 Allowed Auth function Consumers function

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ͦͦ͜͜૿͑Δͱ͖͍ͭ w"1*ͷ਺͕Λ௒͑ͯ͘Δͱ͍Ζ͍Ζ͠ΜͲ͍ %FQMPZͷखؒ wॲཧͷڞ௨Խ wϞδϡʔϧΛখ͘͞อͭ

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%%%

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ϨΠϠʔԽΞʔΩςΫνϟ wϨΠϠʔͷ੹຿Λ໌֬ ʹ͢Δ͜ͱ wԼҐϨΠϠʔ͚ͩʹґ ଘ͢Δ͜ͱ wυϝΠϯΛִ཭͢Δ͜ ͱ &WBOT &SJD%PNBJO%SJWFO%FTJHO5BDLMJOH$PNQMFYJUZJOUIF)FBSUPG4PGUXBSF ,JOEMFͷҐஔ/P 1FBSTPO&EVDBUJPO,JOEMF൛

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ࡾ૚υϝΠϯϞσϧ wϓϨθϯςʔγϣϯ૚͔Βͷґ པΛड͚Δ wద੾ͳυϝΠϯΦϒδΣΫτʹ ൑அՃ޻ܭࢉΛґཔ͢Δ wϓϨθϯςʔγϣϯ૚ʹ݁Ռ υϝΠϯΦϒδΣΫτ Λฦ͢ wσʔλιʔε૚ʹه࿥΍݁Ռͷ ೖग़ྗΛࢦࣔ͢Δ ਤ૿ాږݱ৔Ͱ໾ཱͭγεςϜઃܭͷݪଇʙมߋΛָͰ҆શʹ͢ΔΦϒδΣΫτࢦ޲ͷ࣮ફٕ๏ ,JOEMFͷҐஔ/P גࣜձٕࣾज़ධ࿦ࣾ,JOEMF൛

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υϝΠϯΛத৺ʹߟ͑Δ wϨΠϠʔͷґଘϞσϧ w4FSWFSMFTT"SDIJUFDUVSF ͸ɺWFOEPSMPDLJOલఏͷΞ ʔΩςΫνϟ w%%%ͱ૊Έ߹Θͤͯ࡞Δ͜ͱ ͕Ͱ͖Ε͹ɺίΞͳϏδωε ϩδοΫ͕ϩοΫΠϯ͞Εͳ ͍ "QQMJDBUJPO *OGSBTUSVDUVSF %PNBJO "1* WFOEPSMPDLJO

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CVJMETCU lazy val domain = (project in file("./modules/domain")). lazy val infraDynamo = (project in file("./modules/infrastructure/dynamodb")). dependsOn(domain). lazy val infraKinesis = (project in file("./modules/infrastructure/kinesis")). dependsOn(domain). lazy val appHello = (project in file("./modules/application/hello")). dependsOn(infraLambda, infraDynamo, infraKinesis).

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(JUFS wIUUQTHJUIVCDPNZPTIJZPTIJGVKJJTCUBXT TFSWFSMFTTEEEH wͪ͜Βʹαϯϓϧίʔυ͕͋Γ·͢

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