package org.myorg;

import org.gradle.api.Plugin;
import org.gradle.api.Project;

public class ServerPlugin implements Plugin<Project> {
    @Override
    public void apply(Project project) {
        ServerExtension extension = project.getExtensions().create("server", ServerExtension.class);
        extension.getUrl().convention("https://www.myorg.com/server");
        Deploy deployTask = project.getTasks().create("deploy", Deploy.class);

package org.myorg;

import org.gradle.api.Plugin;
import org.gradle.api.Project;

public class ServerPlugin implements Plugin<Project> {
    @Override
    public void apply(Project project) {
        ServerExtension extension = project.getExtensions().create("server", ServerExtension.class);
        extension.getUrl().convention("https://www.myorg.com/server");
        Deploy deployTask = project.getTasks().create("deploy", Deploy.class);

plugins {
    id 'java-gradle-plugin'
}

gradlePlugin {
    plugins {
        serverPlugin {
            id = 'org.myorg.server'
            implementationClass = 'org.myorg.ServerPlugin'
        }
    }

plugins {
    id("java-gradle-plugin")
}

gradlePlugin {
    plugins {
        create("serverPlugin") {
            id = "org.myorg.server"
            implementationClass = "org.myorg.ServerPlugin"
        }
    }