Application development with AWS Lambda and Kotlin

Kotlin Tech Talk ( https://mercari.connpass.com/event/206751/ ) の資料

Transcript

1. Application development with
   
   
   AWS Lambda and Kotlin
   2021.04.05 Kotlin Tech Talk #merpay_techtalk
   
   
   Hiroyuki Kusu ( @hkusu_ )
   

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2. About me
   

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3. https://aws.amazon.com/jp/lambda/
   ݱ࣌఺Ͱ͸ Java ͸ Java 8 ͱ Java 11 ͕࢖͑Δ
   

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4. "1*(BUFXBZ
   )551
   ఆظ࣮ߦ
   -BNCEB+BWB,PUMJO
   ͷΤίγεςϜ
   *P5
   4/4 4
   %ZOBNP%#
   "84ϦιʔεΛར༻
   )551
   ೚ҙͷαʔϏεΛར༻
   ʢ(JU)VC"1* 4MBDL"1* FUDʣ
   "84Ϧιʔε͔Βىಈ
   )551Ͱىಈ
   

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5. "1*(BUFXBZ
   )551
   ఆظ࣮ߦ
   -BNCEB+BWB,PUMJO
   ͷΤίγεςϜ
   *P5
   4/4 4
   %ZOBNP%#
   "84ϦιʔεΛར༻
   )551
   ೚ҙͷαʔϏεΛར༻
   ʢ(JU)VC"1* 4MBDL"1* FUDʣ
   "84Ϧιʔε͔Βىಈ
   )551Ͱىಈ
   

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6. "1*(BUFXBZ
   )551
   ఆظ࣮ߦ
   -BNCEB+BWB,PUMJO
   ͷΤίγεςϜ
   *P5
   4/4 4
   %ZOBNP%#
   "84ϦιʔεΛར༻
   )551
   ೚ҙͷαʔϏεΛར༻
   ʢ(JU)VC"1* 4MBDL"1* FUDʣ
   "84Ϧιʔε͔Βىಈ
   )551Ͱىಈ
   

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7. "1*(BUFXBZ
   )551
   ఆظ࣮ߦ
   -BNCEB+BWB,PUMJO
   ͷΤίγεςϜ
   *P5
   4/4 4
   %ZOBNP%#
   "84ϦιʔεΛར༻
   )551
   ೚ҙͷαʔϏεΛར༻
   ʢ(JU)VC"1* 4MBDL"1* FUDʣ
   "84Ϧιʔε͔Βىಈ
   )551Ͱىಈ
   

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8. "1*(BUFXBZ
   )551
   ఆظ࣮ߦ
   -BNCEB+BWB,PUMJO
   ͷΤίγεςϜ
   *P5
   4/4 4
   %ZOBNP%#
   "84ϦιʔεΛར༻
   )551
   ೚ҙͷαʔϏεΛར༻
   ʢ(JU)VC"1* 4MBDL"1* FUDʣ
   "84Ϧιʔε͔Βىಈ
   )551Ͱىಈ
   

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9. "1*(BUFXBZ
   )551
   ఆظ࣮ߦ
   -BNCEB+BWB,PUMJO
   ͷΤίγεςϜ
   *P5
   4/4 4
   %ZOBNP%#
   "84ϦιʔεΛར༻
   )551
   ೚ҙͷαʔϏεΛར༻
   ʢ(JU)VC"1* 4MBDL"1* FUDʣ
   "84Ϧιʔε͔Βىಈ
   )551Ͱىಈ
   ͜ͷ͋ͨΓ͕͋Ε͹Ϙοτ΍ӡ༻πʔϧྨͷϗεςΟϯά؀ڥͱͯ͠͸े෼
   

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10. IDE ͸ IntelliJ IDEA Λར༻ ( Community ൛ͳΒແঈ ) ͠ɺ
    
    
    Java ΍ Kotlin ͷϓϩδΣΫτςϯϓϨʔτΛ࢖͏ͱ࢝Ί΍͍͢
    

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11. task buildZip(type: Zip) {
    
    
    from compileKotlin
    
    
    from processResources
    
    
    into('lib') {
    
    
    from configurations.compileClasspath
    
    
    }
    
    
    }
    
    
    build.dependsOn buildZip
    Kotlin ͷίʔυΛϏϧυ͢Δ Gradle λεΫ
    ./gradlew build
    Gradle ίϚϯυͰϏϧυ
    

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12. ※ SAM( Serverless Application Model ) ΍ CloudFormation ͰσϓϩΠͯ͠΋͍͍Ͱ͢
    ؅ཧίϯιʔϧ
    ϏϧυͰੜ੒͞Εͨ zip ϑΝΠϧΛ AWS ͷ؅ཧίϯιʔϧ΁Ξοϓϩʔυ
    

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13. // Kotlin
    
    
    implementation “org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.3.72”
    
    
    implementation “org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.3”
    
    
    // Network
    
    
    implementation "com.squareup.retrofit2:retrofit:2.7.1"
    
    
    implementation "com.squareup.retrofit2:converter-moshi:2.6.0"
    
    
    implementation "com.squareup.moshi:moshi:1.8.0"
    
    
    implementation "com.squareup.moshi:moshi-kotlin:1.8.0"
    
    
    implementation “com.squareup.okhttp3:okhttp:4.3.1”
    
    
    implementation “com.squareup.okhttp3:logging-interceptor:4.3.1”
    
    
    // AWS
    
    
    implementation 'com.amazonaws:aws-lambda-java-core:1.1.0'
    
    
    ※ ਵ෼લʹ࡞ͬͨπʔϧͷίʔυ͔ΒҾ༻ͨ͠ͷͰ֤όʔδϣϯ͸ͪΐͬͱݹ͍Ͱ͢..
    ೚ҙͷϥΠϒϥϦ͕ར༻Ͱ͖Δ
    

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14. // Kotlin
    
    
    implementation “org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.3.72”
    
    
    implementation “org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.3”
    
    
    // Network
    
    
    implementation "com.squareup.retrofit2:retrofit:2.7.1"
    
    
    implementation "com.squareup.retrofit2:converter-moshi:2.6.0"
    
    
    implementation "com.squareup.moshi:moshi:1.8.0"
    
    
    implementation "com.squareup.moshi:moshi-kotlin:1.8.0"
    
    
    implementation “com.squareup.okhttp3:okhttp:4.3.1”
    
    
    implementation “com.squareup.okhttp3:logging-interceptor:4.3.1”
    
    
    // AWS
    
    
    implementation 'com.amazonaws:aws-lambda-java-core:1.1.0'
    
    
    ※ ਵ෼લʹ࡞ͬͨπʔϧͷίʔυ͔ΒҾ༻ͨ͠ͷͰ֤όʔδϣϯ͸ͪΐͬͱݹ͍Ͱ͢..
    ೚ҙͷϥΠϒϥϦ͕ར༻Ͱ͖Δ
    

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15. package io.github.hkusu.githubrepositoryreport
    
    
    import com.amazonaws.services.lambda.runtime.Context
    
    
    import com.amazonaws.services.lambda.runtime.RequestHandler
    
    
    class Handler : RequestHandler {
    
    
    override fun handleRequest(input: Input, context: Context): Output {
    
    
    // do something ...
    
    
    return Output(statusCode = 200, body = "OK")
    
    
    }
    
    
    }
    
    
    // API Gateway ͷ Lambda ϓϩΩγ౷߹ͷ৔߹
    
    
    data class Input(var body: String? = null) // varͰσϑΥϧτ஋͕ඞཁ
    
    
    data class Output(val statusCode: Int, val body: String)
    

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16. package io.github.hkusu.githubrepositoryreport
    
    
    import com.amazonaws.services.lambda.runtime.Context
    
    
    import com.amazonaws.services.lambda.runtime.RequestHandler
    
    
    class Handler : RequestHandler {
    
    
    override fun handleRequest(input: Input, context: Context): Output {
    
    
    // do something ...
    
    
    return Output(statusCode = 200, body = "OK")
    
    
    }
    
    
    }
    
    
    // API Gateway ͷ Lambda ϓϩΩγ౷߹ͷ৔߹
    
    
    data class Input(var body: String? = null) // varͰσϑΥϧτ஋͕ඞཁ
    
    
    data class Output(val statusCode: Int, val body: String)
    

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17. package io.github.hkusu.githubrepositoryreport
    
    
    import com.amazonaws.services.lambda.runtime.Context
    
    
    import com.amazonaws.services.lambda.runtime.RequestHandler
    
    
    class Handler : RequestHandler {
    
    
    override fun handleRequest(input: Input, context: Context): Output {
    
    
    // do something ...
    
    
    return Output(statusCode = 200, body = "OK")
    
    
    }
    
    
    }
    
    
    // API Gateway ͷ Lambda ϓϩΩγ౷߹ͷ৔߹
    
    
    data class Input(var body: String? = null) // varͰσϑΥϧτ஋͕ඞཁ
    
    
    data class Output(val statusCode: Int, val body: String)
    Input().body = ""
    

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18. https://github.com/hkusu/aws-lambda-templete-for-kotlin
    AWS Lambda x Kotlin ϓϩδΣΫτͷςϯϓϨʔτ
    

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19. Thank you !
    
    
    @hkusu_
    

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20. ෇࿥
    

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21. API Gateway Λ࢖͏৔߹͸ Lambda ϓϩΩγ౷߹ʹ͓ͯ͘͠ͱ
    
    
    Lambda ͷೖग़ྗ͕ѻ͍΍͘͢ͳΔ
    

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22. Lambda ͷϋϯυϥͷઃఆྫ ( ΫϥεͷϑϧύεΛࢦఆ͢Δ )
    

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23. γʔΫϨοτͳ΋ͷ͸؀ڥม਺΁ઃఆ
    

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