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Application development with AWS Lambda and Kotlin
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Hiroyuki Kusu
April 05, 2021
Programming
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560
Application development with AWS Lambda and Kotlin
Kotlin Tech Talk (
https://mercari.connpass.com/event/206751/
) の資料
Hiroyuki Kusu
April 05, 2021
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Transcript
Application development with AWS Lambda and Kotlin 2021.04.05 Kotlin Tech
Talk #merpay_techtalk Hiroyuki Kusu ( @hkusu_ )
About me
https://aws.amazon.com/jp/lambda/ ݱ࣌Ͱ Java Java 8 ͱ Java 11 ͕͑Δ
"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
"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
"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
"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
"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
"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 ͜ͷ͋ͨΓ͕͋ΕϘοτӡ༻πʔϧྨͷϗεςΟϯάڥͱͯ͠े
IDE IntelliJ IDEA Λར༻ ( Community ൛ͳΒແঈ ) ͠ɺ
Java Kotlin ͷϓϩδΣΫτςϯϓϨʔτΛ͏ͱ࢝Ί͍͢
task buildZip(type: Zip) { from compileKotlin from processResources into('lib') {
from configurations.compileClasspath } } build.dependsOn buildZip Kotlin ͷίʔυΛϏϧυ͢Δ Gradle λεΫ ./gradlew build Gradle ίϚϯυͰϏϧυ
※ SAM( Serverless Application Model ) CloudFormation ͰσϓϩΠ͍͍ͯ͠Ͱ͢ ཧίϯιʔϧ
ϏϧυͰੜ͞Εͨ zip ϑΝΠϧΛ AWS ͷཧίϯιʔϧΞοϓϩʔυ
// 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' ※ ਵલʹ࡞ͬͨπʔϧͷίʔυ͔ΒҾ༻ͨ͠ͷͰ֤όʔδϣϯͪΐͬͱݹ͍Ͱ͢.. ҙͷϥΠϒϥϦ͕ར༻Ͱ͖Δ
// 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' ※ ਵલʹ࡞ͬͨπʔϧͷίʔυ͔ΒҾ༻ͨ͠ͷͰ֤όʔδϣϯͪΐͬͱݹ͍Ͱ͢.. ҙͷϥΠϒϥϦ͕ར༻Ͱ͖Δ
package io.github.hkusu.githubrepositoryreport import com.amazonaws.services.lambda.runtime.Context import com.amazonaws.services.lambda.runtime.RequestHandler class Handler : RequestHandler<Input,
Output> { 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) // varͰσϑΥϧτ͕ඞཁ data class Output(val statusCode: Int, val body: String)
package io.github.hkusu.githubrepositoryreport import com.amazonaws.services.lambda.runtime.Context import com.amazonaws.services.lambda.runtime.RequestHandler class Handler : RequestHandler<Input,
Output> { 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) // varͰσϑΥϧτ͕ඞཁ data class Output(val statusCode: Int, val body: String)
package io.github.hkusu.githubrepositoryreport import com.amazonaws.services.lambda.runtime.Context import com.amazonaws.services.lambda.runtime.RequestHandler class Handler : RequestHandler<Input,
Output> { 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) // varͰσϑΥϧτ͕ඞཁ data class Output(val statusCode: Int, val body: String) Input().body = "<JSONจࣈྻ>"
https://github.com/hkusu/aws-lambda-templete-for-kotlin AWS Lambda x Kotlin ϓϩδΣΫτͷςϯϓϨʔτ
Thank you ! @hkusu_
API Gateway Λ͏߹ Lambda ϓϩΩγ౷߹ʹ͓ͯ͘͠ͱ Lambda ͷೖग़ྗ͕ѻ͍͘͢ͳΔ
Lambda ͷϋϯυϥͷઃఆྫ ( ΫϥεͷϑϧύεΛࢦఆ͢Δ )
γʔΫϨοτͳͷڥมઃఆ