一、gradle安装gretty插件

buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        classpath "gradle.plugin.org.akhikhl.gretty:gretty:2.0.0"
    }
}
plugins {
    id 'java'
    id 'war'
    id 'org.akhikhl.gretty' version "2.0.0"
}

二、自定义启动设置

gretty {
    httpPort = 8081
    // 'jetty7', 'jetty8', 'jetty9', 'jetty93', 'jetty94', 'tomcat7', 'tomcat8'
    servletContainer = 'jetty9'
    contextPath = '/'
}

三、更多自定义配置

https://akhikhl.github.io/gretty-doc/