var myVariable : String? = null

fun main(args: Array<String>): Unit {
    myVariable = "Hello World"
    io.ktor.server.netty.EngineMain.main(args)
}

@Suppress("unused") // Referenced in application.conf
@kotlin.jvm.JvmOverloads
fun Application.module(testing: Boolean = false) {
    // myVariable is null here
}

application.conf

development = true