add runtime plugin for generating stand-alone images

build.gradle

@@ -33,10 +33,10 @@ plugins {
     id "application"
 
     id "maven-publish"
-    id "signing"
     id "com.palantir.git-version" version "0.12.3"
     id "checkstyle"
     id "org.jreleaser" version "1.13.0"
+    id 'org.beryx.runtime' version '1.13.1'
 }
 
 
@@ -69,6 +69,8 @@ task javadocJar(type: Jar) {
 ext {
     // Load the Smithy Language Server version from VERSION.
     libraryVersion = project.file("VERSION").getText('UTF-8').replace(System.lineSeparator(), "")
+    imageJreVersion = "17"
+    correttoRoot = "https://corretto.aws/downloads/latest/amazon-corretto-${imageJreVersion}"
 }
 
 println "Smithy Language Server version: '${libraryVersion}'"
@@ -78,7 +80,6 @@ def stagingDirectory = rootProject.layout.buildDirectory.dir("staging")
 allprojects {
     apply plugin: "java"
     apply plugin: "maven-publish"
-    apply plugin: "signing"
     group = "software.amazon.smithy"
     version = libraryVersion
     description = "Language Server Protocol implementation for Smithy"
@@ -200,7 +201,7 @@ tasks.named("checkstyleTest") {
 
 java {
     toolchain {
-        languageVersion = JavaLanguageVersion.of(21)
+        languageVersion = JavaLanguageVersion.of(17)
     }
 }
 
@@ -223,6 +224,43 @@ jar {
     }
 }
 
+
+runtime {
+    addOptions("--compress", "2", "--strip-debug", "--no-header-files", "--no-man-pages")
+    addModules("java.logging")
+
+    launcher {
+        jvmArgs = [
+                '-XX:-UsePerfData',
+                '-Xshare:auto',
+                '-XX:SharedArchiveFile={{BIN_DIR}}/../lib/smithy.jsa'
+        ]
+    }
+
+    targetPlatform("linux-x86_64") {
+        jdkHome = jdkDownload("${correttoRoot}-x64-linux-jdk.tar.gz")
+    }
+
+    targetPlatform("linux-aarch64") {
+        jdkHome = jdkDownload("${correttoRoot}-aarch64-linux-jdk.tar.gz")
+    }
+
+    targetPlatform("darwin-x86_64") {
+        jdkHome = jdkDownload("${correttoRoot}-x64-macos-jdk.tar.gz")
+    }
+
+    targetPlatform("darwin-aarch64") {
+        jdkHome = jdkDownload("${correttoRoot}-aarch64-macos-jdk.tar.gz")
+    }
+
+    targetPlatform("windows-x64") {
+        jdkHome = jdkDownload("${correttoRoot}-x64-windows-jdk.zip")
+    }
+
+    // Because we're using target-platforms, it will use this property as a prefix for each target zip
+    imageZip = layout.buildDirectory.file("image/smithy-language-server.zip")
+}
+
 jreleaser {
     dryrun = false