Update to Ktor 3.0

README.md

@@ -5,7 +5,7 @@
 
 ## Starter project to create a simple RESTful web service in Kotlin
 
-**Updated for Kotlin 2.0.0 and Ktor 2.3.12**
+**Updated for Kotlin 2.0.21 and Ktor 3.0.0**
 
 Companion article: <https://ryanharrison.co.uk/2018/04/14/kotlin-ktor-exposed-starter.html>
 

build.gradle.kts

@@ -1,16 +1,16 @@
-val ktorVersion = "2.3.12"
-val exposedVersion = "0.52.0"
-val h2Version = "2.2.224"
+val ktorVersion = "3.0.0"
+val exposedVersion = "0.55.0"
+val h2Version = "2.3.232"
 val hikariCpVersion = "5.1.0"
-val flywayVersion = "10.11.0"
-val logbackVersion = "1.5.6"
+val flywayVersion = "10.20.1"
+val logbackVersion = "1.5.12"
 val assertjVersion = "3.26.3"
-val restAssuredVersion = "5.4.0"
-val junitVersion = "5.10.1"
+val restAssuredVersion = "5.5.0"
+val junitVersion = "5.11.3"
 
 plugins {
-    kotlin("jvm") version "2.0.0"
-    kotlin("plugin.serialization") version "2.0.0"
+    kotlin("jvm") version "2.0.21"
+    kotlin("plugin.serialization") version "2.0.21"
     id("org.jetbrains.kotlinx.kover") version "0.8.2"
     application
 }

src/main/kotlin/Main.kt

@@ -1,9 +1,8 @@
 import io.ktor.serialization.kotlinx.*
 import io.ktor.serialization.kotlinx.json.*
 import io.ktor.server.application.*
-import io.ktor.server.engine.*
 import io.ktor.server.netty.*
-import io.ktor.server.plugins.callloging.*
+import io.ktor.server.plugins.calllogging.*
 import io.ktor.server.plugins.contentnegotiation.*
 import io.ktor.server.plugins.defaultheaders.*
 import io.ktor.server.routing.*
@@ -29,13 +28,13 @@ fun Application.module() {
 
     val widgetService = WidgetService()
 
-    install(Routing) {
+    routing {
         index()
         widget(widgetService)
     }
 
 }
 
 fun main(args: Array<String>) {
-    embeddedServer(Netty, commandLineEnvironment(args)).start(wait = true)
+    EngineMain.main(args)
 }

src/main/kotlin/web/IndexResource.kt

@@ -1,7 +1,6 @@
 package web
 
 import io.ktor.http.*
-import io.ktor.server.application.*
 import io.ktor.server.response.*
 import io.ktor.server.routing.*
 

src/main/kotlin/web/WidgetResource.kt

@@ -1,7 +1,6 @@
 package web
 
 import io.ktor.http.*
-import io.ktor.server.application.*
 import io.ktor.server.request.*
 import io.ktor.server.response.*
 import io.ktor.server.routing.*

src/test/kotlin/common/ServerTest.kt

@@ -36,7 +36,7 @@ open class ServerTest {
 
         private var serverStarted = false
 
-        private lateinit var server: ApplicationEngine
+        private lateinit var server:  EmbeddedServer<NettyApplicationEngine, NettyApplicationEngine. Configuration>
 
         @BeforeAll
         @JvmStatic