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事業と歩む Ameba システム刷新の道 / the-road-to-ameba-system...

事業と歩む Ameba システム刷新の道 / the-road-to-ameba-system-renovation-aws-summit-online

AWS Summit Online 2022 で話してきた資料

登壇動画:https://summits-japan.virtual.awsevents.com/media/1_jpps0jjk

kakerukaeru

June 07, 2022
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  1. © 2022, Amazon Web Services, Inc. or its affiliates. All

    rights reserved. ࣄۀͱาΉ 
 Ameba γεςϜ࡮৽ͷಓ גࣜձࣾαΠόʔΤʔδΣϯτ
 ϝσΟΞ؅׋ Amebaࣄۀຊ෦ CTO ೉೾ ࿨໵ גࣜձࣾαΠόʔΤʔδΣϯτ
 ϝσΟΞ؅׋ Amebaࣄۀຊ෦ Engineer ؠӬ ᠳ C U S - 3 1 ຊηογϣϯࢿྉ΍هࡌ಺༰ʹ͍ͭͯ͸Ұ੾ͷస༻Λېࢭ͓ͯ͠Γ·͢
  2. ؠӬ ᠳ Engineer / Ameba ٕज़੹೚ऀ KAKERU IWANAGA ̎೥ͪΐͬͱલ͔ΒAmebaͷٕज़੹೚ऀͯ͠·͢ Webٕज़ͱSREք۾ͷ࿩୊͕޷͖Ͱ͢

    ޷͖ͳ͍ͨম͖ͷຯ͸܀͖ΜͱΜͰ͢ ΞϚκϯ ΢Σϒ αʔϏε ( AWS ) େ޷͖Ͱ͢ʂ ೉೾ ࿨໵ Engineer KAZUYA NAMBA AmebaͰΤϯδχΞΛγ͍ͯ·͢ 3ࣇͷ෕Ͱ͢ɻࢠڙୡͱLEGOͰ༡ΜͰ·͢ɻ
  3. CHAPTER1 Amebaͷྺ࢙ CHAPTER2 ࡮৽ϓϩδΣΫτ্ཱͪ͛ Phase 1. Vision/Missionࡦఆ Phase 2. ϓϩδΣΫτԽ

    Phase 3. ࣮ݱՄೳੑͷਫ਼౓্͛ CHAPTER3 AmebaPlatformͷ֓ཁ CHAPTER4 ·ͱΊ Contents
  4. Mission > Amebaͱͯ͠౷߹͞ΕͨΞʔΩςΫνϟΛ࣠ʹγεςϜΛ࠶ߏஙͰ͖͍ͯΔ ࣮ߦͷΞϓϩʔν • Πϯϑϥ૚ΛAWS্ʹ౷߹ = AmebaPlatform • AWSબఆཧ༝ɿDBͷ҆ఆੑɺAmebaϝϯόʔͷशख़౓ɺϚωʔδυαʔϏεͷॆ࣮౓

    • ٕज़બఆΛ੍͋͑ͯݶ͠ɺ։ൃϑϩʔΛڞ௨Խ • AmebaγεςϜݻ༗ͷ໰୊Λղܾͭͭ͠ɺGoͰ࠶࣮૷ͯ͠ΦϯϓϨ͔ΒAWS΁Ҡߦ • ҠߦෛՙΛݮΒͨ͢Ίͷڞ௨ϥΠϒϥϦ΍਽ܗΛఏڙ • ༏ઌ౓͕௿͍΋ͷ͸Ұ࣌తʹطଘDCͰܧଓ ࣮ݱ͞ΕΔ͜ͱ • ֶशίετͱอकෛ୲ͷܰݮ • ։ൃޮ཰ͷ޲্ • ਓࡐͷྲྀಈੑͷ޲্
  5. Mission > ෛ࠴ͷՄࢹԽ͕࢓૊Έͱͯ͠ػೳ͠ɺࣄۀ൑அͷ࿮ʹڍ͛ΒΕΔঢ়ଶʹͳ͍ͬͯΔ γεςϜέΠύϏϦςΟ • ͍ΘΏΔγεςϜͷσϦόϦʔύϑΥʔϚϯεΛՄࢹԽ • ͜ΕΒͷࢦඪ͕࡮৽લޙͰվળ͞Ε͍ͯΔ͜ͱɺ 
 ɹɹɹ·ͨࠓޙ΋ܧଓతʹҡ࣋ग़དྷΔࣄΛ໨ࢦ͢

    • four keys Project Λར༻ ։ൃ૊৫έΠύϏϦςΟ • Amebaݻ༗ͷ։ൃͷॏ͞ʹରͯ͠ͷΞϓϩʔν • όϦϡʔετϦʔϜϚοϐϯάͰ։ൃͷॏ͞Λ෼ੳɾՄࢹԽ • ࡮৽Ͱղܾ͍ͨ͠Amebaݻ༗ͷೝ஌ෛՙʹΑΔ޻਺ • ӡ༻ɾ։ൃൺ཰ͷܧଓͨ͠ܭଌͱՄࢹԽ • [WIP] asana Ͱܧଓͯ͠ϘτϧωοΫܭଌ
  6. Mission > ෛ࠴ͷՄࢹԽ͕࢓૊Έͱͯ͠ػೳ͠ɺࣄۀ൑அͷ࿮ʹڍ͛ΒΕΔঢ়ଶʹͳ͍ͬͯΔ > γεςϜέΠύϏϦςΟ ܭଌର৅ͱɺAmebaతఆٛ • σϓϩΠස౓ • deployͷ਺ΛऔΔ͚ͩ؆୯

    • ϦʔυλΠϜ • σϓϩΠʹؚ·ΕΔશͯͷίϛοτͷதԝ஋ • σϓϩΠʹؚ·ΕΔ࠷ॳͷίϛοτͷதԝ஋ • MTTR • ΞϓϦέʔγϣϯͷ෮ݩ࣌ؒͰ͸ͳ͘ • ؂ࢹΞϥʔτʹΑΔ෮ݩ࣌ؒΛଌఆ • ো֐มߋ཰ • ࿦จతʹͦ͜·Ͱॏཁࢹ͞Εͯͳ͔ͬͨͷͰ༏ઌ౓Լ͛
  7. Mission > ෛ࠴ͷՄࢹԽ͕࢓૊Έͱͯ͠ػೳ͠ɺࣄۀ൑அͷ࿮ʹڍ͛ΒΕΔঢ়ଶʹͳ͍ͬͯΔ > γεςϜέΠύϏϦςΟ Handler DATA Incidents Commits Deployments

    PR ूܭγεςϜͱɺAmebaతܭଌख๏ • σϓϩΠස౓ɾϦʔυλΠϜ • GitHub Deployments api ͔Β commit ཤྺΛऩू • GitHub Actions workflowΛࣄલʹ४උ • ର৅repoʹ Actions ΛίϐϖͰ࢓ࠐΉ • MTTR • طଘͷΠϯγσϯτϑϩʔΛ • Datadog incident ؅ཧʹஔ͖׵͑Δ • Datadog API ͔Β σʔλΛऔͬͯ౤͛ࠐΉ
  8. Mission > ෛ࠴ͷՄࢹԽ͕࢓૊Έͱͯ͠ػೳ͠ɺࣄۀ൑அͷ࿮ʹڍ͛ΒΕΔঢ়ଶʹͳ͍ͬͯΔ γεςϜέΠύϏϦςΟ • ͍ΘΏΔγεςϜͷσϦόϦʔύϑΥʔϚϯεΛՄࢹԽ • ͜ΕΒͷࢦඪ͕࡮৽લޙͰվળ͞Ε͍ͯΔ͜ͱɺ 
 ɹɹɹ·ͨࠓޙ΋ܧଓతʹҡ࣋ग़དྷΔࣄΛ໨ࢦ͢

    • four keys Project Λར༻ ։ൃ૊৫έΠύϏϦςΟ • Amebaݻ༗ͷ։ൃͷॏ͞ʹରͯ͠ͷΞϓϩʔν • όϦϡʔετϦʔϜϚοϐϯάͰ։ൃͷॏ͞Λ෼ੳɾՄࢹԽ • ࡮৽Ͱղܾ͍ͨ͠Amebaݻ༗ͷೝ஌ෛՙʹΑΔ޻਺ • ӡ༻ɾ։ൃൺ཰ͷܧଓͨ͠ܭଌͱՄࢹԽ • [WIP] asana Ͱܧଓͯ͠ϘτϧωοΫܭଌ
  9. ࣮ߦ·Ͱͷน > ཈͑ͨϙΠϯτ ࡮৽ܭըɺͱ࣮ݱίετ • 200+ ΞΧ΢ϯτશͯͷҠߦܭըͱίετͷࢼࢉ • ࡮৽ΞϦφγɺAWSΞϦφγɺύλʔϯશͯͰࢉग़ •

    ίετࢼࢉͷ؍఺ • Πϯϑϥݻఆඅ • AWS / GCP / private cloud • ࡮৽్தͷ։ൃਓ݅අɾӡ༻ਓ݅අ • ҠߦܭըͰͷฒߦՔಈͷඅ༻ͷࢼࢉ • ࡮৽ޙͷ։ൃਓ݅අɾӡ༻ਓ݅අ • ΦϯϓϨ&AWSಛ༗ͷӡ༻ίετΛࢼࢉ • ΤϯδχΞશһͷՔಇ࣮੷ΛνέοτϕʔεͰूܭ • AWSҠߦલޙͰͷίετࠩͷࢼࢉ
  10. ࣮ߦ·Ͱͷน > ཈͑ͨϙΠϯτ ࡮৽੒Ռɺͱ࣮ݱίετ • AWS ϚωδυϝϦοτΛ͍·ͷ··࣮ݱ͢Δίετ΋ࢼࢉ • Ameba͕ٻΊΔϚωδυϝϦοτʹର͠DesignDocsΛهࡌ •

    ΦϯϓϨΤϯδχΞͱڠۀ͠ɺ • ΦϯϓϨͰࣗ࡞ϚωδυΛ࡞Δ৔߹ͷ࣮ݱཁ݅ɺ࣮ݱख๏ɺ։ൃˍҡ࣋ίετΛࢼࢉ • ComputeɺDatabaseΛத৺ʹٞ࿦ ࡮৽ϓϩδΣΫτɺͱࣄۀܭը • 100೥Ѫ͞ΕΔϝσΟΞΛ૑Δ • ͦͷલఏʹཱͬͨ࣌ʹɺ։ൃ͠΍͍͢ΛಘΔ·Ͱͷ • େن໛࡮৽ϓϩδΣΫτΛ਺೥ߦ͏ϦεΫ • ౤ࢿޮՌΛճऩग़དྷΔ·Ͱࣄۀ͕଴ͯΔ͔ • ͦΕΒશͯΛࣄۀܭըʹҾ͖௚͠ɺ࠷ऴతʹϑϥοτʹ൑அ
  11. ࣮ߦ·Ͱͷน > ෼͔ͬͨ͜ͱɾม͑ͨ͜ͱ ग़͖ͯͨࣄ࣮ • ৽ن։ൃΑΓӡ༻อकʹׂ͕࣌ؒ͘ଟ͍ͱ͍͏࣮ଶ • AWSҠߦʹΑΓอकൺ཰Λม͑ΒΕͦ͏ͳݟ௨͠ • ࠷খߏ੒ͷࣗ࡞ϚωδυΛ࣮ݱ͢Δ͚ͩͳΒ

    
 ɹɹ։ൃˍҡ࣋ίετؚΊͯ΋ΦϯϓϨͷํ͕͍҆ ม͑ͨ͜ͱ • ࡮৽੒ޭͷ݁Ռࢦඪʹɺ։ൃͱӡ༻ൺ཰͕ٯస͍ͯ͠ΔɺΛ௥Ճ • ൒೥ʹ౉Δɺίετߏ଄ͷςίೖΕϓϩδΣΫτΛ࣮ࢪ • ݱߦγεςϜͷΠϯϑϥߏ੒ɺΞϓϦߏ੒ɺ։ൃମ੍ɺ޿͘ݟ௚͠मਖ਼ • ίετߏ଄ͷվֵʹΑΓɺ • ฒߦӡ༻࣌ظɺ׬શҠߦޙɺڞʹϓϩδΣΫτ࣮ࢪલΑΓ΋ίετΛ௿͘཈͑ΒΕΔݟ௨͠ • Amazon EC2 Reserved InstancesɺMigration Acceleration Program΋ซ༻͠ɺ 
 ɹҠߦޙγεςϜͷ͞ΒͳΔίετΧοτ΋࣮ࢪ
  12. ؠӬ ᠳ Engineer / Ameba ٕज़੹೚ऀ KAKERU IWANAGA ̎೥ͪΐͬͱલ͔ΒAmebaͷٕज़੹೚ऀͯ͠·͢ Webٕज़ͱSREք۾ͷ࿩୊͕޷͖Ͱ͢

    ޷͖ͳ͍ͨম͖ͷຯ͸܀͖ΜͱΜͰ͢ ೉೾ ࿨໵ Engineer KAZUYA NAMBA AmebaͰΤϯδχΞΛ͍ͯ͠·͢ 3ࣇͷ෕Ͱ͢ɻࢠڙୡͱLEGOͰ༡ΜͰ·͢ɻ
  13. AmebaPlatformͰ࣮ݱ͔ͨͬͨ͜͠ͱ AmebaPlatformͷࣄྫͰ঺հ͢Δར༻AWSαʔϏε • Amazon Elastic Kubernetes Service • Amazon Kinesis

    Data Streams • Amazon Aurora • Amazon OpenSearch Service • Amazon ElastiCache • Amazon Simple Storage Service • Amazon Simple Queue Service • Amazon Simple Notification Service • AWS Lambda • AWS Secrets Manager 

  14. AmebaPlatformͰ࣮ݱ͔ͨͬͨ͜͠ͱ AmebaPlatformͰ࣮ݱ͔ͨͬͨ͜͠ͱ • ؀ڥͷ෼཭ • ෛՙࢼݧ؀ڥͷఏڙ • IaCͷ࣮ફ • ΦϯϓϨͱΫϥ΢υؒͷ઀ଓ

    • ϚΠΫϩαʔϏεؒͷೝՄ • ελʔλʔηοτͷఏڙ • CI/CDͷ౷߹ • ϩάج൫ͷఏڙ • ؂ࢹͷҰݩԽ • ηΩϡϦςΟͷ୲อ
  15. AmebaPlatformͰ࣮ݱ͔ͨͬͨ͜͠ͱ > ؀ڥͷ෼཭ ؀ڥͷ෼཭ • ։ൃޮ཰Λॏࢹ͠ɺඞཁ࠷௿ݶͷ෼཭ʹ γϯάϧΞΧ΢ϯτ (= NOT ϚϧνΞΧ΢ϯτ)

    • ։ൃମݧͱͯ͠ͷγϯϓϧ͞Λ༏ઌ • ServiceQuotaͷHardLimit͸ࣄલʹཁݕ౼ Ϛϧνςφϯτ (=NOT γϯάϧςφϯτ) • Ϋϥελ؅ཧίετΛ࠷খԽ • ো֐࣌ͷӨڹൣғ͕େ͖͘ͳΔࣄΛڐ༰Ͱ͖Δ͔ • ڞ༻؀ڥɺෛՙࢼݧ؀ڥ͸ΞΧ΢ϯτΛ෼ׂ
  16. AmebaPlatformͰ࣮ݱ͔ͨͬͨ͜͠ͱ > ෛՙࢼݧ؀ڥͷఏڙ ෛՙࢼݧ؀ڥͷఏڙ ࣮ݱ͍ͨ͜͠ͱ • ಠཱͨ͠؀ڥʹɺຊ൪ಉ౳ͷ؀ڥΛ࠶ݱ • ݱ࣮తͳඅ༻Ͱͷӡ༻ ඞཁͳϦιʔεʹݶఆͯ͠ߏங

    • ඞཁͳϦιʔεΛࢼݧຖʹߏங • terraformͱkubernetesΛར༻࣮ͯ͠ݱ ຊ൪؀ڥͷσʔλΛར༻͢Δ࢓૊Έ • Amazon Aurora ͷ Cloningػೳ Λར༻ͨ͠ߴ଎ͳෳ੡ • Resource Access Manager ʹΑΔ҆શͳϦιʔεڞ༗
  17. AmebaPlatformͰ࣮ݱ͔ͨͬͨ͜͠ͱ > IaCͷ࣮ફ IaCͷ࣮ફ ϦιʔεͷҰݩ؅ཧɺ໺ྑϦιʔεͷ཈ࢭ • AWS্ͷϦιʔε͸΄΅શͯTerraformͰ؅ཧ • ୯ҰϦϙδτϦͰશͯͷϦιʔεΛఆٛ •

    ڞ௨ج൫ͱMSຖʹtfstateΛ෼ׂ • ݸผʹCODE_OWNERSΛઃఆ • Moduleʹؔͯ͠͸ผϦϙδτϦͰ؅ཧ • Github Actions Ͱ࣮ߦ • self-hosted runner ͷmyshoesΛར༻ • ࢀߟ: CyberAgent ʹ͓͚Δ OSS ͷ CI/CD ج൫։ൃ
  18. AmebaPlatformͰ࣮ݱ͔ͨͬͨ͜͠ͱ > ΦϯϓϨͱΫϥ΢υؒͷ઀ଓ > ࢥ૝ ΦϯϓϨͱΫϥ΢υؒͷ઀ଓ > ํ਑ γεςϜҠߦதʹ࣮ݱ͍ͨ͠՝୊ •

    ̍ʣΦϯϓϨ΁ͷηΩϡΞͳ௨৴ػߏ • ̎ʣAWSҠߦޙγεςϜ΁ͷηΩϡΞͳ௨৴ػߏ • ͲͪΒ΋ɺIP੍ݶͷӡ༻͸ͨ͘͠ͳ͍ • PF্ͰͷೝূೝՄͷ࢓૊ΈΛར༻Ͱ͖Ε͹ΑΓGood • DX͸ҎԼͷ؍఺Ͱબ୒ࢶ͔Βআ֎ • SLA͕ͳ͍ • CAશࣾͰઐ༻ઢΛڞ༗͠ෛՙ͕՝୊ • ͨͩ͠ɺDBͷMigrationʹ͸ར༻
  19. AmebaPlatformͰ࣮ݱ͔ͨͬͨ͜͠ͱ > ΦϯϓϨͱΫϥ΢υؒͷ઀ଓ > ࣮૷ ΦϯϓϨͱΫϥ΢υؒͷ઀ଓ > ࣮૷ AWS to

    ΦϯϓϨͷ௨৴ / Internal Gateway • mTLS + ClientID/Secret ϕʔεͷೝূ • ClientIDϕʔεͷΞΫηε੍ޚ • nginx (mTLS) + go ࣗલ proxy ( ೝূ, AC ) ΦϯϓϨ to AWSͷ௨৴ / External Gateway • ClientID/Secret ϕʔεͷೝূ • ClientIDϕʔεͷΞΫηε੍ޚ • HTTP/gRPCͷม׵ • .proto͸ར༻ͤͣreflectionͰಈతʹม׵
  20. AmebaPlatformͰ࣮ݱ͔ͨͬͨ͜͠ͱ > ϚΠΫϩαʔϏεؒͷೝՄ ϚΠΫϩαʔϏεؒͷೝՄ Ϛϧνςφϯτͳߏ੒ʹ͓͚Δ՝୊ • ҙਤ͠ͳ͍ܦ࿏ʹΑΔ௨৴ͷ཈ࢭ • ޓ͍ͷཧղෆ଍͔Βൃੜ͢Δ૬ޓґଘ •

    ແҙຯͳܦ࿏Λᷖճͨ͠ࢀরɺͳͲ… ClientIDΛར༻ͨ͠ೝՄͷ࢓૊Έ • CBAC(Context Based Access Control)ͷఏڙ • ڐՄ͞ΕͨClientIDʹͷΈΞΫηεΛڐՄ • ؅ཧπʔϧ͔ΒڐՄઃఆΛొ࿥ • ڞ௨ϥΠϒϥϦͰInterceptorΛఏڙ
  21. AmebaPlatformͰ࣮ݱ͔ͨͬͨ͜͠ͱ > ελʔλʔηοτͷఏڙ ελʔλʔηοτͷఏڙ ڞ௨ϥΠϒϥϦͷఏڙ • Go(libgo)ͱNodejs(libjs)Λఏڙ • ڞ௨Խ͢Δ͜ͱͰϥΠϒϥϦͷVersion΁ͷ௥ैΛ౷߹తʹ؅ཧ •

    Dependabotͷӡ༻ • HTTP/gRPC server, client, logger, metrics, tracing, etc… Project Template ͷఏڙ • GithubͷTemplate Repository Λར༻ͯ͠৽نʹMSΛ࡞੒͢Δࡍͷ਽ܗΛఏڙ • Local Development, CI, HTTP/gRPC Server, Configuration, etc…
  22. AmebaPlatformͰ࣮ݱ͔ͨͬͨ͜͠ͱ > CI/CDͷ౷߹ CI/CDͷ౷߹ ౷Ұ͞ΕͨσϦόϦʔύΠϓϥΠϯͷఏڙ • CI: Github Actions •

    Project TemplateͰϕʔεΛఏڙ • TestɺLintɺContainer Image Build & Pushɺetc… • CD: ArgoCD • manifest͸Ұݩ؅ཧ • manifestͱclusterͷঢ়ଶΛҰகͤ͞Δ(gitops) • fluxcdΛར༻ͨ͠image tagͷࣗಈߋ৽ • kubevelaΛར༻ͯ͠ޮ཰Խ • ࢀߟ: γϯάϧΫϥελʔϚϧνςφϯγʔΛ໨ࢦ͍ͯ͠ΔEKS্Ͱkubevelaͷӡ༻Λͯ͠Έͨ
  23. AmebaPlatformͰ࣮ݱ͔ͨͬͨ͜͠ͱ > ϩάج൫ͷఏڙ ϩάج൫ͷఏڙ Amazon EKS ͷϩάΛू໿ • ෳ਺ͷ഑৴ઌ΁ͷରԠ •

    Amazon KDS Λհͯ͠ෳ਺ͷܦ࿏ʹ෼ׂ • ڞ௨ϥΠϒϥϦͰLoggerΛఏڙ • ڞ௨ͷLogFormatΛఆٛ • ඪ४ग़ྗʹు͔ΕͨϩάΛऩू • ίετͷ࠷దԽ • Sampling, Amazon S3 LifeCycle, etc…
  24. AmebaPlatformͰ࣮ݱ͔ͨͬͨ͜͠ͱ > ౷߹͞Εͨ؂ࢹ ؂ࢹͷҰݩԽ Datadog Ͱ؂ࢹΛҰݩԽ • AWS Resources ͱ

    Application Metrics • Dashboard, Monitoring, APM ͳͲ • ڞ௨ϥΠϒϥϦͰmetricsͷग़ྗػߏΛఏڙ • kubevelaͰannotationΛఆٛ͠metricsΛௐ੔ • Monitorͷ໋໊نଇɺ௨஌಺༰ͷݟ௚͠ͳͲɺܧଓతͳվળ • Datadog Incidentͱ Postmortem Λར༻ͨ͠ো֐ͷܭଌɺՄࢹԽ
  25. AmebaPlatformͰ࣮ݱ͔ͨͬͨ͜͠ͱ > ηΩϡϦςΟͷ୲อ ηΩϡϦςΟͷ୲อ ։ൃޮ཰ͱηΩϡϦςΟͷཱ྆ • ࣾ಺ԣஅͰಋೖ͞Ε͍ͯΔ༧๷/ൃݟతΨʔυϨʔϧ • ࢀߟ: 600ΞΧ΢ϯτͷηΩϡϦςΟΛݟΔ

    • ݖݶ؅ཧʹࣾ಺IDج൫ͱ࿈ܞͯ͠RoleΛ؅ཧ • ࢀߟ: ೝূ/ೝՄج൫PERMANͷ঺հ • kubevelaͰSecurityContextΛҰ཯ઃఆ • SecretsManager + external-secretsͰCredentialΛ؅ཧ • MITRE౳ΛࢀߟʹજࡏతͳϦεΫɺڴҖΛ੔ཧ͍ͯ͠Δ
  26. ·ͱΊ • Amebaͷ࡮৽ʹ͍ͨΔഎܠ • ࣄۀͱγεςϜαΠζͷဃ཭ • αʔϏεݻ༗ͷ໰୊΍ٕज़ཁૉʹΑΔೝ஌ෛՙͱ։ൃྗͷ௿Լ • ࡮৽PJTͷཱͯ෇͚ͱਐΊํ •

    ࣄۀܭըͱฒ૸ͨ͠࡮৽ܭը • ద੾ͳঢ়ଶ໨ඪͱܭଌՄೳࢦඪΛ൐͏ΰʔϧઃܭ • AmebaPlatformͷ֓ཁ • ໨ࢦͨ͠΋ͷɺͲ͏࣮ݱ͔ͨ͠
  27. Thank you! © 2022, Amazon Web Services, Inc. or its

    affiliates. All rights reserved. ؠӬ ᠳ גࣜձࣾαΠόʔΤʔδΣϯτ
 ϝσΟΞ؅׋ Amebaࣄۀຊ෦ CTO ೉೾ ࿨໵ גࣜձࣾαΠόʔΤʔδΣϯτ
 ϝσΟΞ؅׋ Amebaࣄۀຊ෦ Engineer ຊηογϣϯࢿྉ΍هࡌ಺༰ʹ͍ͭͯ͸Ұ੾ͷస༻Λېࢭ͓ͯ͠Γ·͢