Microservicesにおけるサーバレスの使いどころ

by yoshiyoshifujii

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.JDSPTFSWJDFTʹ͓͚Δ αʔόϨεͷ࢖͍Ͳ͜Ζ 'SJ !ZPTIJZPTIJGVKJJ

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͜Μʹͪ͸ w:PTIJUBLB'VKJJ !ZPTIJZPTIJGVKJJ w4PGUXBSF&OHJOFFS w4DBMB+BWB1ZUIPO 5ZQFTDSJQU w4DBMBؔ੢4VNNJU4UB⒎ w4FSWFSMFTT0TBLB4UB⒎

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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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"84SF*/7&/5 /07%&$c-"47&("4 /7

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ࠓ೔͓࿩͢Δ಺༰ w.JDSPTFSWJDFTΛ͓͞Β͍ w4FSWFSMFTTͷద༻ॴ w࣮ࡍͷߏ੒

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ࠓ೔͓࿩͢Δ಺༰ w.JDSPTFSWJDFTΛ͓͞Β͍ w4FSWFSMFTTͷద༻ॴ w࣮ࡍͷߏ੒

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.JDSPTFSWJDFTΛ ͓͞Β͍͓͖ͯ͠·͠ΐ͏

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.JDSPTFSWJDFTͭͷಛ௃ αʔϏεΛ௨ͨ͡ίϯϙʔωϯ τԽ Ϗδωε਱ߦೳྗʹؔΘΓ૊ ৫͕੔ཧ͞ΕΔ͜ͱ ϓϩδΣΫτͰ͸ͳ͘ϓϩμΫ τ ݡ͍ TNBSU ΤϯυϙΠϯτͱ ౔؅ ෼ࢄ౷࣏ ෼ࢄσʔλ؅ཧ ΠϯϑϥࣗಈԽ ো֐ͷͨΊͷઃܭ ਐԽతͳઃܭ ླ໦༤հ$MPVE'JSTU"SDIJUFDUVSFઃܭΨΠυʢ೔ܦ#1/FYU*$5બॻʣ ,JOEMFͷҐஔ/P ೔ܦ#1,JOEMF൛

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ෳ਺αʔϏεͰߏ੒ w ͭͷΞϓϦέʔγϣϯΛΑΓখ͞ ͳ୯ҐͷʮαʔϏεʯͷ૊Έ߹Θ ͤͰߏ੒͢Δख๏ w ͦΕͧΕͷαʔϏε͸ݸผͷϓϩ ηεͰಈ࡞ w "1*Λ௨ͯ͡)551ͳͲͷඪ४తͳ ϓϩτίϧͰ࿈ܞ ླ໦༤հ$MPVE'JSTU"SDIJUFDUVSFઃܭΨΠυʢ೔ܦ#1/FYU*$5બॻʣ ,JOEMFͷҐஔਤ ೔ܦ#1,JOEMF൛

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αʔϏε͝ͱͷϥΠϑαΠΫϧ wϞϊϦγοΫ Ұຕؠ ͩͱӨڹ ௐࠪʹ͕͔͔࣌ؒΔ wӨڹൣғ͸αʔϏε಺෦ʹด͡ Δ w࣮ࡍ͸ɺͦΜͳ୯७Ͱ͸ͳ͍ wαʔϏεͷ෼ׂ͕ॏཁͰɺ͍͔ ʹӨڹൣғΛαʔϏε಺෦ʹཹ ΊΔ͔ ླ໦༤հ$MPVE'JSTU"SDIJUFDUVSFઃܭΨΠυʢ೔ܦ#1/FYU*$5બॻʣ ,JOEMFͷҐஔਤ ೔ܦ#1,JOEMF൛

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ૄ݁߹ͳαʔϏε࿈ܞ wૄ݁߹ͷ୅ද͸ʮΩϡʔʯΛ ༻͍ͨ࿈ܞ wαʔϏεಉ͕࢜௚઀࿈ܞͤͣ ʹࡁΉ wαʔϏεͷμ΢ϯλΠϜ౳Λ ؾʹ͠ͳͯ͘ྑ͍ w࿈ܞઌαʔϏεͷੑೳྼԽ ླ໦༤հ$MPVE'JSTU"SDIJUFDUVSFઃܭΨΠυʢ೔ܦ#1/FYU*$5બॻʣ ,JOEMFͷҐஔਤ ೔ܦ#1,JOEMF൛

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σʔλϕʔε͸αʔϏε͝ͱʹ wैདྷγεςϜ͸ɺͭͷΞ ϓϦʹͭͷσʔλϕʔε wσʔλϕʔεڞ༗͸ੑೳ ͕໰୊ʹ w෼ࢄσʔλϕʔε͸੔߹ ੑ͕໰୊ʹ ླ໦༤հ$MPVE'JSTU"SDIJUFDUVSFઃܭΨΠυʢ೔ܦ#1/FYU*$5બॻʣ ,JOEMFͷҐஔਤ ೔ܦ#1,JOEMF൛

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αʔϏεߏ੒؅ཧ wαʔόʔߏஙखଓ͖Λ ίʔυԽ w%PDLFS wΫϥ΢υಛ༗ͷ೉͠͞ ླ໦༤հ$MPVE'JSTU"SDIJUFDUVSFઃܭΨΠυʢ೔ܦ#1/FYU*$5બॻʣ ,JOEMFͷҐஔਤ ೔ܦ#1,JOEMF൛

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ࠓ೔͓࿩͢Δ಺༰ w.JDSPTFSWJDFTΛ͓͞Β͍ w4FSWFSMFTTͷద༻ॴ w࣮ࡍͷߏ੒

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υϝΠϯۦಈઃܭ wୈ෦ઓུతઃܭ  ୈষϞσϧͷ੔߹ੑ Λҡ࣋͢Δ wڥք͚ͮΒΕͨίϯςΩ ετΛ೺Ѳ͢Δ wγεςϜ͕ѻ͏υϝΠϯ Λཧղ͠ద੾ʹڥքΛઃ ܭ͢Δ &SJD&WBOTυϝΠϯۦಈઃܭʢᠳӭࣾʣ 1ਤ ᠳӭࣾ

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ίϯςΩετϚοϓ wαʔϏεͷ੾Γޱ͸ɺίϯςΩετϚοϓʹै͏ wίϯςΩεταʔϏε w4FSWFSMFTT"SDIJUFDUVSF͕ద༻Ͱ͖Δ͔ wίϯςΩετͷಛੑ͔Β൑அ͢Δ

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ίϯςΩετͷಛੑ w$"1ఆཧ wίΞυϝΠϯ wυϝΠϯ஌ࣝͷཧղ౓

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$"1ఆཧ w੔߹ੑ$POTJTUFODZ wՄ༻ੑ"WBJMBCJMJUZ w෼அ଱ੑ1BSUJUJPOUPMFSBODF

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"1PS$1 w੔߹ੑΛ٘ਜ਼ʹ͢Δ"14FSWFSMFTT wՄ༻ੑΛ٘ਜ਼ʹ͢Δ$1ैདྷܕ wσʔλϕʔεΛαʔϏε͝ͱʹબ୒Ͱ͖Δ wίϯςΩετͷಛੑ͔Βݟग़͢

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ίΞυϝΠϯ wैདྷܕ wଞͷαʔϏεͱ࿈ܞ͕ଟ͍ w4FSWFSMFTT͸੍໿͕ଟ͘ɺͦͷ੍໿ʹΑͬͯɺ .JDSPTFSWJDFTʹӨڹ͢Δͷ͸μϝ wαʔϏεͷதʹด࣮ͯ͡ફ͢Δ΂͠

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υϝΠϯ஌ࣝͷཧղ౓ wཧղ͕ઙ͍ैདྷܕ wকདྷͷల๬͕͋Δఔ౓ݟ͍͑ͯΔ4FSWFSMFTT w੍໿ͷଟ͍4FSWFSMFTT wυϝΠϯ͕Αʔ෼͔ΒΜ͏ͪ͸΍Ίͱ͘

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ίϯςΩετͷಛੑΛ͔ͭΉ wಛੑʹ͍ͭͯ͸ɺυϝΠϯΤΩεύʔτͱͷର࿩ॏཁ wཧղΛޡΔͱɺ4FSWFSMFTTແཧͬͯͳͬͯख໭Δ wͱ͸͍͑ɺ%%%ͳߏ੒ͰϓϩάϥϜΛ૊Ήͱɺҙ֎ ͱ͢ΜͳΓΠέΔ͔΋ wϕϯμʔϩοΫΠϯͷۃখԽ͕Ͳ͜·Ͱग़དྷΔ͔

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ࠓ೔͓࿩͢Δ಺༰ w.JDSPTFSWJDFTΛ͓͞Β͍ w4FSWFSMFTTͷద༻ॴ w࣮ࡍͷߏ੒

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Amazon API Gateway client AWS Lambda Amazon S3 Amazon DynamoDB Amazon Kinesis AWS Lambda AWS Lambda Context + Token Principal + Policy Allowed Amazon CloudFront Amazon S3 Amazon CloudFront AWS Step Functions AWS Lambda AWS Lambda Amazon SQS

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41" w4JOHMF1BHF"QQMJDBUJPO w.JDSPTFSWJDFTͰߏ੒͞ΕΔγεςϜͷϑϩϯτΤϯ υʹ࠷ద w41"ͷϞδϡʔϧ͸ɺίϯςΩετΛԣஅͯͭ͠ʹ ͳΔ wষ౷߹ϢʔβʔΠϯλϑΣʔε

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ೝূɾೝՄ wೝূɾೝՄαʔϏεΛ࡞Δ w4FSWFSMFTTͰ࡞ΕΔ wΧελϜೝূ-BNCEBΛίϯςΩετؒͰڞ༗ w4DBMBͳΒೝূɾೝՄϩδοΫΛ+"3Ͱଞίϯς Ωετʹ഑෍

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ඇಉظॲཧ w,JOFTJT΍424͸ͱͯ΋ศར wίϯςΩετؒͷϝοηʔδॲཧʹ࢖͏ w1VCMJTIFSͱ4VCTDSJCFSͰɺ  ࢓༷ͷऔΓܾΊΛ͢Δ w&WFOU5ZQFΛ൑ผ͠ɺ;ΓΘ͚Δߏ੒

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ࠓ೔͓࿩ͨ͠಺༰ w.JDSPTFSWJDFTΛ͓͞Β͍ w4FSWFSMFTTͷద༻ॴ w࣮ࡍͷߏ੒

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4DBMB.BUTVSJ w4FSWFSMFTT "SDIJUFDUVSFΛ 4DBMBͰ΍ͬͯΈͨ࿩ Λ͠·ͨ͠