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No configuration setting found for key 'ktor'

See original GitHub issue

Run exception

Exception in thread "main" com.typesafe.config.ConfigException$Missing: No configuration setting found for key 'ktor'
	at com.typesafe.config.impl.SimpleConfig.findKeyOrNull(SimpleConfig.java:152)
	at com.typesafe.config.impl.SimpleConfig.findOrNull(SimpleConfig.java:170)
	at com.typesafe.config.impl.SimpleConfig.find(SimpleConfig.java:184)
	at com.typesafe.config.impl.SimpleConfig.find(SimpleConfig.java:189)
	at com.typesafe.config.impl.SimpleConfig.getObject(SimpleConfig.java:264)
	at com.typesafe.config.impl.SimpleConfig.getObject(SimpleConfig.java:37)
	at io.ktor.server.engine.CommandLineKt$commandLineEnvironment$environment$1.invoke(CommandLine.kt:57)
	at io.ktor.server.engine.CommandLineKt$commandLineEnvironment$environment$1.invoke(CommandLine.kt)
	at io.ktor.server.engine.ApplicationEngineEnvironmentBuilder.build(ApplicationEngineEnvironment.kt:55)
	at io.ktor.server.engine.ApplicationEngineEnvironmentKt.applicationEngineEnvironment(ApplicationEngineEnvironment.kt:38)
	at io.ktor.server.engine.CommandLineKt.commandLineEnvironment(CommandLine.kt:50)
	at io.ktor.server.netty.DevelopmentEngine.main(DevelopmentEngine.kt:13)

`build.gradle.kts`

import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
import org.jetbrains.kotlin.gradle.dsl.Coroutines

val ktor_version = "0.9.3"

plugins {
    application
    kotlin("jvm") version "1.2.51"
}

application {
    mainClassName = "io.ktor.server.netty.DevelopmentEngine"
}

group = "ktor3"
version = "1.0-SNAPSHOT"

repositories {
    jcenter()
    maven("http://kotlin.bintray.com/ktor")
    mavenCentral()
}


dependencies {
    implementation(kotlin("stdlib-jdk8"))
    implementation("io.ktor:ktor-server-netty:$ktor_version")
    implementation("ch.qos.logback:logback-classic:1.2.1")
}

tasks.withType<KotlinCompile> {
    kotlinOptions.jvmTarget = "1.8"
}
kotlin {
    experimental.coroutines = Coroutines.ENABLE
}

`application.conf`

ktor {
  deployment {
    port = 8080
  }

  application {
    modules = [ com.kodal.AppKt.main ]
  }
  security {

  }
}

`App.kt`

package com.kodal

import io.ktor.application.Application
import io.ktor.application.call
import io.ktor.application.install
import io.ktor.features.CallLogging
import io.ktor.features.DefaultHeaders
import io.ktor.response.respondText
import io.ktor.routing.Routing
import io.ktor.routing.get

fun Application.main() {
    install(DefaultHeaders)
    install(CallLogging)
    install(Routing) {
        get("/") {
            call.respondText("Hello")
        }
    }
}