Gradle skeleton for publishing to Maven Central

build.gradle

apply plugin: 'java'
apply plugin: 'maven'
apply plugin: 'signing'

group = 'io.example'
archivesBaseName = 'example-artifact'
version = '1.0-SNAPSHOT'
ext.pomPackaging = 'jar'
ext.pomName = 'Example artifact'
ext.pomDescription = 'An example artifact'
ext.pomProjectUrl = 'https://example.github.io/example-artifact'
ext.pomScmWebUrl = 'https://github.com/example/example-artifact'
ext.pomLicenseName = 'MIT License'
ext.pomLicenseUrl = 'https://www.tldrlegal.com/l/mit'
ext.pomDeveloperId = 'exDev'
ext.pomDeveloperName = 'Example Developer'
ext.pomDeveloperEmail = 'exDev@example.com'

// Generates a sources jar
task sourcesJar(type: Jar) {
    from sourceSets.main.allJava
}

// Generates a Javadoc jar
task javadocJar(type: Jar, dependsOn: javadoc) {
    from javadoc.destinationDir
}

// Maven Central publishing configuration (`gradlew uploadArchives`)
artifacts {
    archives javadocJar, sourcesJar
}

signing {
    sign configurations.archives
}

uploadArchives {
    repositories {
        mavenDeployer {
            beforeDeployment { MavenDeployment deployment -> signing.signPom(deployment) }

            repository(url: "https://oss.sonatype.org/service/local/staging/deploy/maven2/") {
                authentication(userName: mavenCentralUser, password: mavenCentralPassword)
            }

            snapshotRepository(url: "https://oss.sonatype.org/content/repositories/snapshots/") {
                authentication(userName: mavenCentralUser, password: mavenCentralPassword)
            }

            pom.project {
                name project.ext.pomName
                description project.ext.pomDescription
                packaging project.ext.pomPackaging
                url project.ext.pomProjectUrl

                scm {
                    url project.ext.pomScmWebUrl
                }

                licenses {
                    license {
                        name project.ext.pomLicenseName
                        url project.ext.pomLicenseUrl
                    }
                }

                developers {
                    developer {
                        id project.ext.pomDeveloperId
                        name project.ext.pomDeveloperName
                        email project.ext.pomDeveloperEmail
                    }
                }
            }
        }
    }
}

gradle.properties

mavenCentralUser=example
mavenCentralPassword=examplePassword

signing.keyId=EXAM2383PLE
signing.password=examplePassword
signing.secretKeyRingFile=d:/cygwin/home/example/.gnupg/secring.gpg