java-tutorials/gradle-modules/gradle-7/multiple-repositories-demo/publish-package/build.gradle

plugins {
    id "maven-publish"
    id "java"
}

group = "com.baeldung.gradle"
version = "1.0.0-SNAPSHOT"

repositories {
    mavenLocal()
    mavenCentral()
}

publishing {
    publications {
        register("jar", MavenPublication) {
            from(components["java"])
            pom {
                url.set("https://github.com/eugenp/tutorials.git")
            }
        }
    }
    repositories {
        maven {
            name = "GitHubPackages"
            url = "https://maven.pkg.github.com/eugenp/tutorials"
            credentials {
                username = project.USERNAME
                password = project.GITHUB_TOKEN
            }
        }
    }
}