Publish a Kotlin module to an S3 Maven repository, using Gradle.

gradle-kotlin-publish-s3-maven-repo.gradle

/*
 * Publish a Kotlin module to an S3 Maven repository, using Gradle.
 * This assumes that the AWS/IAM credentials have 'bucket list' as well as 'object put' and 'object get' permissions.
 */

ext.version_kotlin = '1.0.5-2'

buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$version_kotlin"
    }
}

repositories {
    mavenCentral()
}

apply plugin: 'kotlin'
apply plugin: 'maven-publish'

dependencies {
    compile "org.jetbrains.kotlin:kotlin-stdlib:$version_kotlin"
    
    // other dependencies...
}

publishing {
    publications {
        maven(MavenPublication) {
            groupId 'com.example'
            artifactId 'example'
            version '0.0.1-SNAPSHOT'
            from components.java

            repositories {
                maven {
                    url 's3://your-s3-bucket/snapshots'
                    credentials(AwsCredentials) {
                        accessKey AWS_ACCESS_KEY   // put this in gradle.properties
                        secretKey AWS_SECRET_KEY   // put this in gradle.properties
                    }
                }
            }
        }
    }
}