AWS CDKにコントリビュートするための具体的な方法 / how-to-aws-cdk-contribute

AWS DevDay Online Japanの登壇資料です。
AWS CDKにこれからコントリビュートしてみたい方向けの資料です。
実際にコントリビュートした際に考えたことや困った部分などを紹介しているので良ければ参考にしてください。

Transcript

1. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved.
   In Partnership with
   AWS CDKʹίϯτϦϏϡʔτ͢ΔͨΊͷ
   ۩ମతͳํ๏
   ࠤ౻ஐथ
   Ϋϥεϝιου גࣜձࣾ
   B - 0 6
   2 0 . 1 0 . 2 0 2 0
   

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2. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved.
   In Partnership with
   ࣗݾ঺հ
   - ࠤ౻ஐथ
   - Ϋϥεϝιουגࣜձࣾ
   - CXࣄۀຊ෦ʢIoTνʔϜͱࣗࣾαʔϏε։ൃʣ
   - લ৬ɿSIerͷSEΛ4೥ऑ
   - ݱࡏɿαʔόʔαΠυΤϯδχΞ
   - ޷͖ͳAWSαʔϏεɿLambdaɺCDK
   @tmk2154
   @tomoki10
   

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3. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved.
   In Partnership with
   ΞδΣϯμ
   - ର৅ͱ͢Δࢹௌऀ
   - ίϯτϦϏϡʔτ͢Δͱྑ͍͜ͱ
   - AWS CDKͷߏ੒ͱৄࡉ
   - ίϯτϦϏϡʔςΟϯάΨΠυͷઆ໌
   - ࣮ࡍʹίϯτϦϏϡʔτͨ͠ྲྀΕ
   - ·ͱΊ
   

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4. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved.
   In Partnership with
   ର৅ͱ͢Δࢹௌऀ
   - AWS CDK or େ͖ΊͷOSSʹίϯτϦϏϡʔτͯ͠Έ͍ͨਓ
   ΤϯδχΞ΍ͬͯΔΜͩ͠Ұ౓͙Β͍͸΍ͬͯΈ͍ͨ
   ͔ͤͬͩ͘͠υΩϡϝϯτ͚ͩ͡Όͳͯ͘ιʔε΋ίϛοτ͍ͨ͠
   - AWS CDK͸಺෦ߏ੒Λগ͠஌Γ͍ͨ
   దٓઆ໌͸ೖΕ·͕͢ɺAWS CDKͷBlackBeltΛݟ͍ͯΔͱ෼͔Γ΍͍͔͢΋
   ໨ඪ
   - ʮ͜ΕͳΒࣗ෼Ͱ΋ग़དྷͦ͏ʂʯͱࢥͬͯ΋Β͏͜ͱ
   

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5. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved.
   In Partnership with
   ίϯτϦϏϡʔτ͢Δͱྑ͍͜ͱ
   - ษڧʹͳΔ
   ීஈCDKΛ࢖͏ࡍʹߏ੒Λཧղ͍ͯ͠Δͱগ͠͸ૣ࣮͘૷Ͱ͖Δ
   CloudFormationͷ੍໿͔CDKͷ໰୊͔ͷ۠ผ͕͖ͭ΍͍͢
   - Կͷػೳ͕Ͱ͖Δͷ͔͍ͪૣ͘஌ΕΔ
   ઌ೔ൃද͞ΕͨCLF͔ΒCDKͷϚΠάϨʔγϣϯ΍v2ͷৄࡉΛઌʹ஌ΕΔ
   - ࣗ෼ͷιʔε͕ҙ֎ͳͱ͜Ͱग़ͨΓͯ͠໘ന͍
   

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6. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved.
   In Partnership with
   - Building Real-time Backends with AWS AppSync & CDK
   CDK Dayͷ༷ࢠ
   https://www.youtube.com/watch?v=qJutZqXMdgM&t=4616s
   

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7. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved.
   In Partnership with
   AWS CDKͷߏ੒ͱৄࡉ
   

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8. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved.
   In Partnership with
   AWS CDK(Cloud Developer Kit)ͱ͸
   - ࢖͍׳ΕͨݴޠͰAWSϦιʔεΛϓϩϏδϣχϯάͰ͖ΔπʔϧΩοτ
   - ݱࡏ͸TS/JSɺPythonɺJavaɺC#Ͱ࢖༻Մೳ(ࠓޙ͸Go΋?)
   πʔϧͷ಺෦ͷ։ൃ͸TypeScriptϝΠϯ
   - ϓϩάϥϛϯάݴޠͰϦιʔε؅ཧ͕Ͱ͖Δ
   →ਅͷIaCπʔϧ(ݸਓͷײ૝Ͱ͢)
   - ͍ͣΕ͸ CDK for TerraformͰGCP΍Azure΋؅ཧ? AWS Cloud
   Development Kit
   

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9. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved.
   In Partnership with
   AWS CDKͷݸਓతʹࢥ͏ར఺(BlackBeltΑΓҰ෦Ҿ༻)
   - ΤσΟλͰܕνΣοΫɺαδΣετɺ࢓༷ࢀর͕Ͱ͖Δ
   →WebυΩϡϝϯτͳ͠Ͱ΋࢓༷ͷ֬ೝ΍࣮૷͕Մೳ
   - Ұൠʹίʔυྔ͕ݮΔ
   →SQS+Lambda+SNS͕CloudFormationͷ࣮૷ͩͱ340ߦఔ
   ɹCDKͩͱ100ߦఔ˞
   ※ʮMoving from CFN YAML to CDK - Benefits, how to do it in prod and moreʯ
   ɹhttps://www.youtube.com/watch?v=qJutZqXMdgM&t=12485s
   - ෳ਺ελοΫؒͷґଘؔ܎͕هड़Ͱ͖Δ
   →؆қͳίʔυͰAPI Gateway+LambdaͳͲΛผελοΫʹॻ͚ΔͳͲ
   

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10. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    In Partnership with
    AWS CDK
    ΞϓϦέʔγϣϯͷߏ੒
    - App
    - CloudFormationςϯϓϨʔτੜ੒ͱ
    σϓϩΠʹ࢖༻͞ΕΔཁૉ
    - ελοΫؒͷґଘؔ܎Λఆٛ
    - Stack
    - CloudFormationͰ͍͏ελοΫ
    - σϓϩΠͷ࠷খ୯Ґ
    - Construct
    - Stack಺Ͱੜ੒͢ΔAWSϦιʔε
    - Construct LibraryͰఆٛ
    Ҿ༻ݩ:
    https://aws.amazon.com/jp/blogs/aws/boost-your-infrastructure-with-cdk/
    

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    In Partnership with
    AWS CDK
    ΞϓϦέʔγϣϯͷߏ੒
    - App
    - CloudFormationςϯϓϨʔτੜ੒ͱ
    σϓϩΠʹ࢖༻͞ΕΔཁૉ
    - ελοΫؒͷґଘؔ܎Λఆٛ
    - Stack
    - CloudFormationͰ͍͏ελοΫ
    - σϓϩΠͷ࠷খ୯Ґ
    - Construct
    - Stack಺Ͱੜ੒͢ΔAWSϦιʔε
    - Construct LibraryͰఆٛ
    Ҿ༻ݩ:
    https://aws.amazon.com/jp/blogs/aws/boost-your-infrastructure-with-cdk/
    

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12. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    In Partnership with
    Constructͷߏ੒
    - L1 (Low Level) Construct
    CloudFormationͷϦιʔεͱ
    1ର1ͰରԠ (ࣗಈੜ੒)
    - L2 (High Level) Construct
    σϑΥϧτ஋΍௥Ճͷؔ਺Λ࣮૷͠
    ͯL1 ConstructΛந৅Խ
    ɹ
    - L3 Construct (Patterns or etc…)
    ෳ਺Ϧιʔε΍L2 ConstructΛ͞Β
    ʹந৅Խͯ͠ར༻͢Δ৔߹
    Ҿ༻ݩ:
    https://aws.amazon.com/jp/blogs/aws/boost-your-infrastructure-with-cdk/
    

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13. © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    In Partnership with
    TIPS: Constructͷߏ੒(AppSyncͷ۩ମྫ)
    - ϕʔεͱͳΔιʔε
    GithubϦϙδτϦɿhttps://github.com/aws/aws-cdk
    ্هϦϙδτϦͷ aws-cdk/packages/@aws-cdk/aws-appsync
    @aws-cdk഑Լʹ֤AWSϦιʔε༻ͷύοέʔδ͕͋Δ
    - L1 (Low-Level) Construct
    aws-appsync/lib ഑Լͷ appsync.generated.ts ϑΝΠϧ
    Ϗϧυ͠ͳ͍ͱੜ੒͞Εͳ͍(GitHub্Ͱݟ͑ͳ͍)ͷͰ Gitpod ͳͲͰ֬ೝ
    - L2 (High-Level) Construct
    graphqlapi.tsɺschema-base.ts ͳͲ͍͔ͭ͘ͷϑΝΠϧʹ෼͔Ε͍ͯΔ
    

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    In Partnership with
    ίϯτϦϏϡʔςΟϯάΨΠυͷઆ໌
    

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    In Partnership with
    ίϯτϦϏϡʔςΟϯάΨΠυͱ͸
    - OSS΁ߩݙ͍ͨ͠ਓ޲͚ʹઃܭ΍࣮૷ํࣜΛڞ༗͢ΔυΩϡϝϯτ
    https://github.com/aws/aws-cdk/blob/master/CONTRIBUTING.md#partial-build-tools
    https://github.com/aws/aws-cdk/blob/master/CONTRIBUTING.md
    

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    ίϯτϦϏϡʔςΟϯάΨΠυͷ಺༰
    • PRΛૹΔ·Ͱஈ֊͝ͱʹ΍Δ΂͖͜ͱͳͲ͕ॻ͔Ε͍ͯΔ
    ɹࠓճ͸ҎԼͷ3ͭΛத৺ʹ঺հ
    - ؀ڥߏங
    - issue͔Β࣮૷Ϛʔδ·ͰͷྲྀΕ
    - ֤छπʔϧͷ঺հ
    

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    In Partnership with
    ؀ڥߏங
    Gitpod
    ɹGitHub͔ΒϫϯΫϦοΫͰ؀ڥߏஙͯ͠࢖͑ΔWebIDE(ࠓճ঺հ)
    ɹˠιʔεͷ֬ೝ΍ͪΐͬͱͨ͠मਖ਼Ͱ༗༻
    Docker
    ɹDockerΠϝʔδ͔Β؀ڥ࡞੒
    ɹˠܧଓతͳ։ൃͰ༗༻
    ϩʔΧϧ؀ڥ
    ɹNode.js΍JavaͷόʔδϣϯΛ߹Θͤͯߏங
    ɹˠ؀ڥͷ؅ཧ͕େมͳͷͰଟ෼ඇਪ঑
    

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    Gitpodͱ͸
    - GitHub͔ΒϫϯΫϦοΫͰ؀ڥߏஙͯ͠࢖͑ΔWebIDE
    - VS Code ϥΠΫͳ։ൃ؀ڥ͕Web্Ͱ࢖͑Δ
    - ॳظͷϏϧυઃఆ΋͋ΔͷͰϫϯΫϦοΫͰ࣮૷͕࢝ΊΒΕΔ
    - 1ϲ݄Ͱ50࣌ؒ·Ͱ͸ແྉ
    

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    TIPS: GitpodΛCDKͷ։ൃͰ࢖͏৔߹ͷ஫ҙ఺
    - Gitpodॳճىಈ͸1࣌ؒऑ͔͔Δ
    ɹશମϏϧυ͕૸ΔͷͰ্ཱ͕ͪΔ·Ͱ͕஗͍ɻ1ճϏϧυ͕௨Ε͹࠶ىಈ࣌͸਺෼ఔ౓Ͱಈ࡞Մೳ
    ɹ 2ճ໨Ҏ߱ͷىಈ͸Gitpodͷը໘Ͱߦ͏ɻ(ઌ΄ͲͷϘλϯΛԡ͢ͱຖճ৽͍͠Πϯελϯε͕Ͱ͖Δ)
    - ్தͰϏϧυ͕͚͜ΔͱผͷϦιʔεͷ͍ͤͰςετ͕௨Βͳ͍࣌΋͋Δ
    ɹର৅ͷσΟϨΫτϦʹͯ scripts/buildup(ޙड़) Ͱؔ࿈͢ΔϦιʔεΛ࠶౓Ϗϧυ͢Δͱଟ෼େৎ෉
    ɹ ࠷ѱ৽͍͠Gitpodͷ؀ڥΛ্ཱͪ͛Δ
    - Gitpod্ͷAccess Control※ͰݖݶΛ༩͑ͳ͍ͱPushͰ͖ͳ͍
    ɹGitpodͷWebUIͰʮwrite public reposʯͷݖݶΛ༩͑Δ͜ͱ
    ※https://gitpod.io/access-control/
    

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    issue͔Β࣮૷Ϛʔδ·ͰͷྲྀΕ
    - ίϯτϦϏϡʔςΟϯάΨΠυΛϕʔεʹগ͠ม͍͑ͯ·͢
    - issueΛཱͯΔ/୳͢
    - ઃܭ(Φϓγϣϯ)
    - ࣮૷(Magic)
    ‣ ࣮૷ɺ୯ମ/݁߹ςετ
    ‣ ಈ࡞֬ೝ
    - ίϛοτ࡞੒ϧʔϧΛ֬ೝ
    - PRͷ࡞੒
    - ϨϏϡʔ/Ϛʔδ
    ίϯτϦϏϡʔςΟϯάΨΠυͷྲྀΕ
    

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    issueΛཱͯΔ/୳͢
    - طଘͷissueΛ֬ೝͯ͠ɺ৽͍͠໰୊Ͱ͋Ε͹issueΛཱͯΔ
    ɹணखͰ͖ͦ͏Ͱ͋Ε͹issueʹॻ͘
    - طଘͷissueͰߩݙͰ͖ͦ͏ͳ಺༰Λ୳͢
    ɹeffort/smallɺgood first issue ϥϕϧ͕෇͍͍ͯΔissue͸ൺֱత؆୯
    ɹAWSϦιʔεͷվमͷ৔߹͸ʮ@aws-cdk/aws-xxxʯͷλάΛ୳͢
    Feature Request ͷྫ
    label ݕࡧ݁Ռ
    

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    ઃܭ
    - த~େن໛ͳมߋͷ৔߹͸͋Β͔͡ΊઃܭΛߦ͏
    ɹઃܭΨΠυϥΠϯΛ֬ೝͷ্Ͱissueʹίϝϯτ͢Δ
    ɹˠઃܭࢥ૝͕͋ͬͯͳ͍ͱमਖ਼ͩΒ͚ʹ… ࠷ॳ͸Θ͔Γ΍͍͢issue͔Βணखͷํ͕ྑ͍͔΋
    - ઃܭΨΠυϥΠϯͷ֬ೝ͸༗༻
    CDKશମͷઃܭࢥ૝ʹ͍ͭͯॻ͔Ε͍ͯ·͢ʢগ͠௕͍ʣ
    https://github.com/aws/aws-cdk/blob/master/DESIGN_GUIDELINES.md
    

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    ࣮૷(Magic)
    - ҰൠతͳίʔσΟϯάελΠϧͰ࣮૷
    ɹ2 space indentɺԣ෯120จࣈͳͲৄࡉ͸ΨΠυࢀর
    - ͢΂ͯͷมߋʹ͸୯ମςετ͕ඞཁ
    ɹtest഑Լͷιʔεʹ୯ମ/݁߹ςετΛ௥Ճ͢Δ(JestͰ࣮૷)
    - ίϝϯτ௥Ճ΋৔߹ʹΑͬͯඞཁʢमਖ਼͠ͳ͍ͱLintͰwarningʹͳΔʣ
    ɹ֎෦͔Βݺͼग़͢ࡍͷύϥϝʔλมߋͳͲAPIͷมߋ͸READMEΛߋ৽
    ɹύϥϝʔλ௥ՃͳͲͷ৔߹͸jsdocs΋ߋ৽
    

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    ࣮૷(୯ମςετ)
    • ςετ࣮૷ʹ͸JestΛ࢖༻(Ұ෦ݹ͍΋ͷ͸node-unit)
    - JavaScript/TypeScriptͰ࢖͑ΔςεςΟϯάϑϨʔϜϫʔΫ
    - ଞͷϑϨʔϜϫʔΫ(JUnitͳͲ)Λ࢖ͬͨ͜ͱ͕͋Ε͹෼͔Γ΍͍͢
    • ୯ମςετͷߏ੒
    ɹҎԼͷςετ͕େ൒
    - StackΛੜ੒ͯ͠ɺStackʹConstructΛ࡞੒
    - Stackʹ૝ఆͨ͠Resourceؚ͕·Ε͍ͯΔ͔νΣοΫ
    

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    • StackΛੜ੒ͯ͠ɺStackʹConstructΛ࡞੒
    ࣮૷(୯ମςετ: appsync.test.tsͷ৔߹)
    let stack: cdk.Stack;
    let api: appsync.GraphqlApi;
    beforeEach(() => {
    stack = new cdk.Stack(); // ීஈͷbin഑Լͷ࣮૷ͱಉ༷
    api = new appsync.GraphqlApi(stack, 'api', { // lib഑Լͱಉ༷
    authorizationConfig: {},
    name: 'api',
    schema:
    appsync.Schema.fromAsset(path.join(__dirname,
    'appsync.test.graphql')),
    });
    });
    

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    • ςετ͍ͨ͠ConstructΛ࡞੒
    • Stackʹ૝ఆͨ͠Resourceؚ͕·Ε͍ͯΔ͔νΣοΫ
    ࣮૷(୯ମςετ: appsync.test.tsͷ৔߹)
    test('appsync should configure pipeline … contents’, () => {
    // WHEN
    new appsync.Resolver(stack, 'resolver', {
    api: api,
    typeName: 'test',
    fieldName: 'test2',
    pipelineConfig: ['test', 'test'],
    });
    // THEN
    expect(stack).toHaveResourceLike('AWS::AppSync::Resolver', {
    Kind: 'PIPELINE',
    PipelineConfig: { Functions: ['test', 'test'] },
    });
    });
    

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    • ෳ਺αʔϏεʹލΔมߋ΍CLFΛ࢖ͬͨ৽͍͠ػೳΛ࡞Δ࣌ʹඞཁ
    • ݁߹ςετͷछྨ
    - CloudFormationςϯϓϨʔτΛੜ੒ͯ͠ൺֱ
    cdk synthΛ࣮ߦͯ͠test഑Լͷ *.expected.json ϑΝΠϧͱൺֱ
    - σϓϩΠͯ͠ݕূ
    yarn integ ίϚϯυΛ࣮ߦ͢ΔͱAWSΞΧ΢ϯτʹσϓϩΠʢAWSͷೝূ৘ใઃఆ͸ඞཁʣ
    ࣮૷(݁߹ςετ)
    

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    • λΠτϧ͸ҎԼͷจݴͰ࢝ΊΔ
    feat(module): title
    fix(module): title
    refactor(module): title
    chore(module): title
    • มߋ͕ࣗ໌Ͱͳ͍৔߹͸
    ֬ೝ಺༰Λهࡌ
    • ॏେͳมߋ͕͋Δ৔߹͸هࡌ
    ίϛοτ
    ίϛοτϝοηʔδ࡞੒ͷϕʔε͸ʮConventional Commitsʯ
    https://www.conventionalcommits.org/ja/v1.0.0-beta.4/
    

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    • GitHubͷը໘্ͳͲ͔ΒͰPull RequestΛ࡞੒
    ɹීஈGitHubϑϩʔͳͲͰ։ൃ͍ͯ͠Δ৔߹͸ͦΜͳʹมΘΒͳ͍
    • PRνΣοΫϦετʹैͬͯηϧϑνΣοΫ
    - ୯ମςετ͸௥Ճ͔ͨ͠
    - jsdocs͸ॻ͍͔ͨ
    - README͸దٓߋ৽͔ͨ͠ etc…
    Pull Request࡞੒
    

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    ɹPRʹରͯ͠ࢦఠ͕͋Ε͹దٓमਖ਼͢Δ
    ɹૣ͍ͱPR࡞੒ͨ͠౰೔ʹϨϏϡʔ಺༰͕ίϝϯτ͞ΕΔ
    • ιʔεΛमਖ਼ͯ͠Push
    मਖ਼ʹ໰୊͕ͳ͚Ε͹ϝϯςφ͕approve͢Δ
    ※ଞͷमਖ਼͕ฒߦͰ૸͍ͬͯͯςετ͕ίέΔ৔߹΋͋ΔͷͰͦͷࡍ͸मਖ਼͕ඞཁ
    →׬ྃ
    ϨϏϡʔ/Ϛʔδ
    

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    ɹtools಺ͷ rules.ts ͷઃఆʹԠͯ͡ɺυΩϡϝϯτܗࣜ ΍ License ͷ੔߹ੑΛݕূ
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    • prlint(ϕʔλ)
    ɹPRͷ໋໊نଇ΍ίϝϯτʹԠͯ͡ඞཁͳ߲໨͕଍Γ͍ͯΔͷ͔ݕূ
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    ɹॳճϏϧυ͸େମ1࣌ؒ͘Β͍͔͔ͬͯίέΔ͜ͱ͕͋ΔͷͰ࢖͑Δ
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49. Thank you!
    © 2020, Amazon Web Services, Inc. or its affiliates. All rights reserved.
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    Tomoki Sato
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