modules/api/build.gradle.kts

@@ -34,7 +34,7 @@ configurations.scoverage {
 
 dependencies {
 
-    implementation("org.scala-lang:scala3-compiler_3") {
+    compileOnly("org.scala-lang:scala3-compiler_3") {
         version {
             strictly(versions["SCALA3"]!!)
         }

modules/bot/build.gradle.kts

@@ -37,7 +37,7 @@ tasks.withType<ScalaCompile> {
 
 dependencies {
 
-    implementation("org.scala-lang:scala3-compiler_3") {
+    compileOnly("org.scala-lang:scala3-compiler_3") {
         version {
             strictly(versions["SCALA3"]!!)
         }

modules/core/build.gradle.kts

@@ -36,7 +36,7 @@ val quarkusPlatformVersion: String by project
 
 dependencies {
 
-    implementation("org.scala-lang:scala3-compiler_3") {
+    compileOnly("org.scala-lang:scala3-compiler_3") {
         version {
             strictly(versions["SCALA3"]!!)
         }

modules/core/src/main/resources/META-INF/native-image/de.nowchess/core/reachability-metadata.json

@@ -0,0 +1,27 @@
+{
+  "reflection": [
+    { "type": "scala.Tuple1[]" },
+    { "type": "scala.Tuple2[]" },
+    { "type": "scala.Tuple3[]" },
+    { "type": "scala.Tuple4[]" },
+    { "type": "scala.Tuple5[]" },
+    { "type": "scala.Tuple6[]" },
+    { "type": "scala.Tuple7[]" },
+    { "type": "scala.Tuple8[]" },
+    { "type": "scala.Tuple9[]" },
+    { "type": "scala.Tuple10[]" },
+    { "type": "scala.Tuple11[]" },
+    { "type": "scala.Tuple12[]" },
+    { "type": "scala.Tuple13[]" },
+    { "type": "scala.Tuple14[]" },
+    { "type": "scala.Tuple15[]" },
+    { "type": "scala.Tuple16[]" },
+    { "type": "scala.Tuple17[]" },
+    { "type": "scala.Tuple18[]" },
+    { "type": "scala.Tuple19[]" },
+    { "type": "scala.Tuple20[]" },
+    { "type": "scala.Tuple21[]" },
+    { "type": "scala.Tuple22[]" },
+    { "type": "com.fasterxml.jackson.module.scala.introspect.PropertyDescriptor[]" }
+  ]
+}

modules/core/src/main/resources/application.yml

@@ -1,2 +1,3 @@
 greeting:
   message: "hello"
+

modules/core/src/main/scala/de/nowchess/chess/config/JacksonConfig.scala

@@ -1,5 +1,6 @@
 package de.nowchess.chess.config
 
+import com.fasterxml.jackson.core.Version
 import com.fasterxml.jackson.databind.ObjectMapper
 import com.fasterxml.jackson.module.scala.DefaultScalaModule
 import io.quarkus.jackson.ObjectMapperCustomizer
@@ -8,4 +9,9 @@ import jakarta.inject.Singleton
 @Singleton
 class JacksonConfig extends ObjectMapperCustomizer:
   def customize(mapper: ObjectMapper): Unit =
-    mapper.registerModule(DefaultScalaModule)
+    mapper.registerModule(new DefaultScalaModule() {
+      override def version(): Version =
+        // scalafix:off DisableSyntax.null
+        new Version(2, 21, 1, null, "com.fasterxml.jackson.module", "jackson-module-scala")
+        // scalafix:on DisableSyntax.null
+    })

modules/core/src/main/scala/de/nowchess/chess/config/NativeReflectionConfig.scala

@@ -0,0 +1,23 @@
+package de.nowchess.chess.config
+
+import de.nowchess.api.dto.*
+import io.quarkus.runtime.annotations.RegisterForReflection
+
+@RegisterForReflection(
+  targets = Array(
+    classOf[ApiErrorDto],
+    classOf[CreateGameRequestDto],
+    classOf[ErrorEventDto],
+    classOf[GameFullDto],
+    classOf[GameFullEventDto],
+    classOf[GameStateDto],
+    classOf[GameStateEventDto],
+    classOf[ImportFenRequestDto],
+    classOf[ImportPgnRequestDto],
+    classOf[LegalMoveDto],
+    classOf[LegalMovesResponseDto],
+    classOf[OkResponseDto],
+    classOf[PlayerInfoDto],
+  ),
+)
+class NativeReflectionConfig

modules/core/src/main/scala/de/nowchess/chess/registry/GameRegistryImpl.scala

@@ -1,12 +1,13 @@
 package de.nowchess.chess.registry
 
 import jakarta.enterprise.context.ApplicationScoped
+import java.security.SecureRandom
 import java.util.concurrent.ConcurrentHashMap
-import scala.util.Random
 
 @ApplicationScoped
 class GameRegistryImpl extends GameRegistry:
   private val games = ConcurrentHashMap[String, GameEntry]()
+  private val rng   = new SecureRandom()
 
   def store(entry: GameEntry): Unit =
     games.put(entry.gameId, entry)
@@ -19,4 +20,4 @@ class GameRegistryImpl extends GameRegistry:
 
   def generateId(): String =
     val chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
-    Iterator.continually(Random.nextInt(chars.length)).map(chars).take(8).mkString // NOSONAR
+    Iterator.continually(rng.nextInt(chars.length)).map(chars).take(8).mkString // NOSONAR

modules/core/src/main/scala/de/nowchess/chess/resource/GameResource.scala

@@ -142,6 +142,7 @@ class GameResource:
     val black = playerInfoFrom(req.black, DefaultBlack)
     val entry = newEntry(GameContext.initial, white, black)
     registry.store(entry)
+    println(s"Created game ${entry.gameId}")
     created(toGameFullDto(entry))
 
   @GET

modules/io/build.gradle.kts

@@ -30,7 +30,7 @@ tasks.withType<ScalaCompile> {
 
 dependencies {
 
-    implementation("org.scala-lang:scala3-compiler_3") {
+    compileOnly("org.scala-lang:scala3-compiler_3") {
         version {
             strictly(versions["SCALA3"]!!)
         }

modules/rule/build.gradle.kts

@@ -27,7 +27,7 @@ tasks.withType<ScalaCompile> {
 
 dependencies {
 
-    implementation("org.scala-lang:scala3-compiler_3") {
+    compileOnly("org.scala-lang:scala3-compiler_3") {
         version {
             strictly(versions["SCALA3"]!!)
         }