ExampleOfMainFunction.kt

fun Application.main() {
    // DefaultHeaders adds date and server headers to each response, allowing you to expand with additional data if necessary
    install(DefaultHeaders)
    // CallLogging – adds logging of responses/queries
    install(CallLogging)
 
    // routing – responsible for routing queries and, in our case, uses DSL to formulate a response
    routing {
        get("/") {
          call.respondHtml {
             head {
                    title { +"Ktor on Google App Engine standard environment" }
             }
             body {
                 p {
                        +"Hello there! This is Ktor running on App Engine standard environment"
                 }
             }
          }
       }
    }
}