Fix

cmd/build/build-image.go

@@ -162,17 +162,39 @@ func (this *buildImage) createPart(ctx context.Context, binary *buildArtifact) (
 
 	img = mutate.Annotations(img, annotations).(gcv1.Image)
 
-	configFile := this.defaultGenericConfigFile
-	if a.edition == editionExtended {
-		configFile = this.defaultExtendedConfigFile
+	artifacts := common.Seq2ErrOf[imageArtifactLayerItem](imageArtifactLayerItem{
+		sourceFile: this.defaultExtendedConfigFile,
+		targetFile: binary.platform.os.bifroestConfigFilePath(),
+		mode:       0644,
+	})
+	if !a.os.isUnix() {
+		artifacts = common.Seq2ErrOf[imageArtifactLayerItem](imageArtifactLayerItem{
+			sourceFile: this.defaultGenericConfigFile,
+			targetFile: binary.platform.os.bifroestConfigFilePath(),
+			mode:       0644,
+		})
+	} else if strings.EqualFold(from, "scratch") {
+		artifacts = common.Seq2ErrOf[imageArtifactLayerItem](imageArtifactLayerItem{
+			sourceFile: this.defaultGenericConfigFile,
+			targetFile: binary.platform.os.bifroestConfigFilePath(),
+			mode:       0644,
+		}, imageArtifactLayerItem{
+			sourceFile: "contrib/rootfs/etc/passwd",
+			targetFile: "/etc/passwd",
+			mode:       0644,
+		}, imageArtifactLayerItem{
+			sourceFile: "contrib/rootfs/etc/group",
+			targetFile: "/etc/group",
+			mode:       0644,
+		}, imageArtifactLayerItem{
+			sourceFile: "contrib/rootfs/etc/shadow",
+			targetFile: "/etc/shadow",
+			mode:       0600,
+		})
 	}
 
 	binaryLayer, err := binary.toLayer(common.JoinSeq2[imageArtifactLayerItem, error](
-		common.Seq2ErrOf[imageArtifactLayerItem](imageArtifactLayerItem{
-			sourceFile: configFile,
-			targetFile: binary.platform.os.bifroestConfigFilePath(),
-			mode:       0644,
-		}),
+		artifacts,
 		common.Seq2ErrOf[imageArtifactLayerItem](artifactDepItems...),
 	))
 	if err != nil {

cmd/build/os.go

@@ -49,6 +49,15 @@ func (this os) execExt() string {
 	}
 }
 
+func (this os) isUnix() bool {
+	switch this {
+	case osLinux:
+		return true
+	default:
+		return false
+	}
+}
+
 func (this os) bifroestBinaryDirPath() string {
 	switch this {
 	case osWindows: