Merge pull request #25427 from benkard/feature/appcds-nodocker

AppCDS: Make container-based generation opt-out

core/deployment/src/main/java/io/quarkus/deployment/pkg/PackageConfig.java

@@ -128,6 +128,27 @@ public class PackageConfig {
     @ConfigItem
     public Optional<String> appcdsBuilderImage;
 
+    /**
+     * Whether creation of the AppCDS archive should run in a container if available.
+     *
+     * <p>
+     * Normally, if either a suitable container image to create the AppCDS archive inside of
+     * can be determined automatically or if one is explicitly set using the
+     * {@code quarkus.package.appcds-builder-image} setting, the AppCDS archive is generated by
+     * running the JDK contained in the image as a container.
+     *
+     * <p>
+     * If this option is set to {@code false}, a container will not be used to generate the
+     * AppCDS archive. Instead, the JDK used to build the application is also used to create the
+     * archive. Note that the exact same JDK version must be used to run the application in this
+     * case.
+     *
+     * <p>
+     * Ignored if {@code quarkus.package.create-appcds} is set to {@code false}.
+     */
+    @ConfigItem(defaultValue = "true")
+    public boolean appcdsUseContainer;
+
     /**
      * This is an advanced option that only takes effect for the mutable-jar format.
      * <p>

core/deployment/src/main/java/io/quarkus/deployment/pkg/steps/AppCDSBuildStep.java

@@ -102,7 +102,9 @@ public void build(Optional<AppCDSRequestedBuildItem> appCDsRequested,
 
     private String determineContainerImage(PackageConfig packageConfig,
             Optional<AppCDSContainerImageBuildItem> appCDSContainerImage) {
-        if (packageConfig.appcdsBuilderImage.isPresent()) {
+        if (!packageConfig.appcdsUseContainer) {
+            return null;
+        } else if (packageConfig.appcdsBuilderImage.isPresent()) {
             return packageConfig.appcdsBuilderImage.get();
         } else if (appCDSContainerImage.isPresent()) {
             return appCDSContainerImage.get().getContainerImage();