Pass command line arguments to ktor server

CLI_args_to_ktor_server.build.gradle

// ... build.gradle

// ...
def webFolder = new File(project.buildDir, "web")
// ...

task run(type: JavaExec, dependsOn: [jvmMainClasses, jsJar]) {
  main = "sample.SampleJvmKt"
  classpath {
    [
        kotlin.targets.jvm.compilations.main.output.allOutputs.files,
        configurations.jvmRuntimeClasspath,
    ]
  }
  args = ["-P:sample.SampleJvmKt.static.web.dir=${webFolder.canonicalPath}"]
}
// ...

// then in any module (environment.config is "experimental (2019/06/03)
// @KtorExperimentalAPI
// fun Application.jobsRouting() {
//    val webDir = environment.config.propertyOrNull("sample.SampleJvmKt.static.web.dir")?.getString()