Table of contents

1. build
   1. build.gradle example

---

build

• build.gradle example

  Example From AWS Lambda Project

          //buildscript {
  //    dependencies {
  //        classpath("com.github.docker-java:docker-java-transport-httpclient5:3.4.0") {
  //            because("M1 macs need a later version of JNA")
  //        }
  //    }
  //}
    
  plugins {
      id("com.github.johnrengelman.shadow") version "8.1.1"
      id("io.micronaut.application") version "4.4.2"
      id("com.diffplug.spotless") version "6.23.3"
      id("io.micronaut.aot") version "4.4.2"
  }
    
  version = "0.1"
  group = "example.micronaut"
    
  repositories {
      mavenCentral()
  }
    
  dependencies {
      annotationProcessor("io.micronaut:micronaut-http-validation")
      annotationProcessor("io.micronaut.validation:micronaut-validation-processor")
      annotationProcessor("io.micronaut.serde:micronaut-serde-processor")
      implementation("io.micronaut:micronaut-http-client-jdk")
      implementation("io.micronaut.aws:micronaut-aws-lambda-events-serde")
      implementation("io.micronaut.serde:micronaut-serde-jackson")
    
      /*** needed ***/
      runtimeOnly("org.yaml:snakeyaml")
      runtimeOnly("ch.qos.logback:logback-classic")
    
      /*** Not With Controller ***/
      //    implementation("com.amazonaws:aws-lambda-java-events")
      //    implementation("io.micronaut.aws:micronaut-function-aws")
      //    implementation("io.micronaut.aws:micronaut-function-aws-custom-runtime")
    
      /*** email ***/
      implementation("io.micronaut.email:micronaut-email-sendgrid")
    
      /*** reactive streams ***/
      //implementation("io.micronaut.reactor:micronaut-reactor")
    
    
      /** See if helps **/
      //    annotationProcessor("io.micronaut:micronaut-graal")
      //    compileOnly("io.micronaut:micronaut-http-client")
      //    implementation("io.micronaut.email:micronaut-email")
      //    implementation("com.sendgrid:sendgrid-java:5.0.0-rc.1")
    
    
      /*** from aws micronaut docs ***/
      //    implementation("io.micronaut:micronaut-http-client")
    
      /** From GraalVM Guide **/
      //    implementation("jakarta.validation:jakarta.validation-api")
    
      /*** remove dependency for macos ***/
      //    runtimeOnly("io.netty:netty-resolver-dns-native-macos:4.2.0.Alpha4")
      //    implementation("com.github.docker-java:docker-java-transport-httpclient5:3.3.1")
  }
    
    
  application {
      mainClass = "example.micronaut.Application"
  }
    
  //shadowJar {
  //    archiveBaseName.set('shadow') // Set the base name of the jar
  //    archiveClassifier.set('')
  //    archiveVersion.set('')
  //}
    
  java {
      sourceCompatibility = JavaVersion.toVersion("21")
      targetCompatibility = JavaVersion.toVersion("21")
  }
    
    
  graalvmNative {
      toolchainDetection = false
      binaries {
          main {
              useFatJar = true
              richOutput = true
              verbose = true
              mainClass = 'example.micronaut.Application'
              javaLauncher = javaToolchains.launcherFor {
                  languageVersion = JavaLanguageVersion.of(21)
                  vendor = JvmVendorSpec.matching("oracle")
              }
              resources.autodetect()
              metadataRepository { enabled = true }
              imageName.set('graal-mail')
              buildArgs.add('--verbose')
          }
      }
  }
    
  micronaut {
      //*** test local and running normal lambda ***//
      //    runtime("lambda_java")
    
      //** GraalVM buildNativeLambda **//
      runtime("lambda_provided")
      nativeLambda {
          lambdaRuntimeClassName = " io.micronaut.function.aws.runtime.MicronautLambdaRuntime"
      }
      //***********************************//
    
      testRuntime("junit5")
      processing {
          incremental(true)
          annotations("example.micronaut.*")
      }
      aot {
          configFile = file("gradle/micronaut-aot.properties")
      }
  }
    
  //dockerfileNative {
  //    jdkVersion = '21'
  //    graalArch.set(org.apache.tools.ant.taskdefs.condition.Os.isArch("aarch64") ? "aarch64" : "amd64")
  //    graalImage.set('ghcr.io/graalvm/graalvm-ce:ol8-java17-22.3.3')
  //}
    
  //tasks.named("nativeCompile") {
  //    classpathJar = layout.projectDirectory.file("build/libs/shadow.jar")
  //}
    
  tasks.named("dockerfileNative") {
      baseImage = "amazonlinux:2023"
      jdkVersion = "21"
      args("-XX:MaximumHeapSizePercent=80",
              "-Dio.netty.allocator.numDirectArenas=0",
              "-Dio.netty.noPreferDirect=true")
  }