Simple web server

// Simple web server
@GrabConfig(systemClassLoader=true)
@Grapes([
        @Grab(group='io.ratpack', module='ratpack-core', version='1.9.0'),
        @Grab(group='io.ratpack', module='ratpack-groovy', version='1.9.0'),
        @GrabExclude('org.codehaus.groovy:groovy-all'),
        @Grab('org.slf4j:slf4j-simple:1.7.30')
])

import org.eclipse.jetty.servlet.*
import static ratpack.groovy.Groovy.ratpack
import groovy.json.*

ratpack {
    serverConfig {
        port(5056)
    }
    handlers {
        get {
            render "Hello World!"
        }
        get(":one") { ctx ->
            def result = [:]
            result['one'] = ctx.getPathTokens().get("one")
            render  groovy.json.JsonOutput.toJson(result)
        }
        get(":one/:two") { ctx ->
            def result = [:]
            result['one'] = ctx.getPathTokens().get("one")
            result['two'] = ctx.getPathTokens().get("two")
            render  groovy.json.JsonOutput.toJson(result)
        }
        get(":one/:two/:three") { ctx ->
            def result = [:]
            result['one'] = ctx.getPathTokens().get("one")
            result['two'] = ctx.getPathTokens().get("two")
            result['three'] = ctx.getPathTokens().get("three")
            render  groovy.json.JsonOutput.toJson(result)
        }
    }
}