Add example nativeImageOption to second native image example in all 3 JVM languages

build.mill

@@ -201,7 +201,7 @@ object Deps {
     ivy"org.apache.maven.resolver:maven-resolver-transport-http:$mavenResolverVersion"
   val mavenResolverTransportWagon =
     ivy"org.apache.maven.resolver:maven-resolver-transport-wagon:$mavenResolverVersion"
-  val coursierJvmIndexVersion = "0.0.4-70-51469f"
+  val coursierJvmIndexVersion = "0.0.4-84-f852c6"
   val gradleApi = ivy"dev.gradleplugins:gradle-api:8.11.1"
 
   object RuntimeDeps {

example/javalib/publishing/8-native-image-libs/build.mill

@@ -14,17 +14,19 @@ object foo extends JavaModule with NativeImageModule {
 
   def nativeImageOptions = Seq(
     "--no-fallback",
-    "-H:IncludeResourceBundles=net.sourceforge.argparse4j.internal.ArgumentParserImpl"
+    "-H:IncludeResourceBundles=net.sourceforge.argparse4j.internal.ArgumentParserImpl",
+    "-Os"
   )
 }
 
 object ZincWorkerGraalvm extends ZincWorkerModule {
-  def jvmId = "graalvm-community:17.0.9"
+  def jvmId = "graalvm-community:23.0.1"
 }
 
 // This example shows how to generate native images for projects using third-party
 // libraries, in this case ArgParse4J and Thymeleaf. ArgParse4J does use some dynamic
 // resource loading and reflection, and so we need to pass the `-H:IncludeResourceBundles`
-// flag to `nativeImageOptions` in order to be compatible.
+// flag to `nativeImageOptions` in order to be compatible. We also demonstrate setting
+// `nativeImageOptions`, in this case using `-Os` to optimize for the smallest binary size.
 
 //// SNIPPET:END

example/kotlinlib/publishing/8-native-image-libs/build.mill

@@ -8,6 +8,12 @@ object foo extends KotlinModule with NativeImageModule {
 
   def mainClass = Some("foo.FooKt")
 
+  def nativeImageOptions = Seq(
+    "--no-fallback",
+    "-Os",
+    "--initialize-at-build-time=com.github.ajalt.mordant.internal.nativeimage.NativeImagePosixMppImpls"
+  )
+
   def ivyDeps = Agg(
     ivy"com.github.ajalt.clikt:clikt-jvm:4.4.0",
     ivy"org.jetbrains.kotlinx:kotlinx-html-jvm:0.11.0"
@@ -17,10 +23,13 @@ object foo extends KotlinModule with NativeImageModule {
 }
 
 object ZincWorkerGraalvm extends ZincWorkerModule {
-  def jvmId = "graalvm-community:17.0.7"
+  def jvmId = "graalvm-community:23.0.2"
 }
 
 // This example shows how to generate native images for projects using third-party
-// libraries, in this case Clikt and KotlinX-HTML.
+// libraries, in this case Clikt and KotlinX-HTML. We also demonstrate setting
+// `nativeImageOptions`, in this case using `-Os` to optimize for the smallest binary size,
+// and the `--initialize-at-build-time` flag seems to be necessary for this particular set
+// of libraries and flags.
 
 //// SNIPPET:END

example/scalalib/publishing/8-native-image-libs/build.mill

@@ -6,7 +6,7 @@ import mill.define.ModuleRef
 object foo extends ScalaModule with NativeImageModule {
   def scalaVersion = "2.13.11"
 
-  def nativeImageOptions = Seq("--no-fallback")
+  def nativeImageOptions = Seq("--no-fallback", "-Os")
 
   def ivyDeps = Agg(
     ivy"com.lihaoyi::scalatags:0.13.1",
@@ -17,13 +17,19 @@ object foo extends ScalaModule with NativeImageModule {
 }
 
 object ZincWorkerGraalvm extends ZincWorkerModule {
-  def jvmId = "graalvm-community:17.0.7"
+  def jvmId = "graalvm-community:23.0.1"
 }
 
 // This example shows how to generate native images for projects using third-party
-// libraries, in this case Scalatags and Mainargs.
+// libraries, in this case Scalatags and Mainargs. We also demonstrate setting
+//// `nativeImageOptions`, in this case using `-Os` to optimize for the smallest binary size.
 
 //// SNIPPET:END
+
+// You can see the Graal documentation to see what flags are available:
+//
+// * https://www.graalvm.org/21.3/reference-manual/native-image/Options/
+
 /** Usage
 
 > ./mill show foo.nativeImage