From 8b499400169b3611d7dc97577e98c61acb6049e4 Mon Sep 17 00:00:00 2001
From: Martin Zihlmann <martizih@outlook.com>
Date: Sun, 25 May 2025 10:48:16 +0100
Subject: [PATCH] fix: preserve labels from base images

---
 pkg/executor/build.go | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/pkg/executor/build.go b/pkg/executor/build.go
index f50aa813d..77a6071ec 100644
--- a/pkg/executor/build.go
+++ b/pkg/executor/build.go
@@ -92,7 +92,11 @@ func newStageBuilder(args *dockerfile.BuildArgs, opts *config.KanikoOptions, sta
 		return nil, err
 	}
 
-	imageConfig, err := initializeConfig(sourceImage, opts)
+	_opts := *opts
+	if !stage.Final {
+		_opts.Labels = []string{}
+	}
+	imageConfig, err := initializeConfig(sourceImage, &_opts)
 	if err != nil {
 		return nil, err
 	}
@@ -760,9 +764,7 @@ func DoBuild(opts *config.KanikoOptions) (v1.Image, error) {
 			configFile.OS = strings.Split(opts.CustomPlatform, "/")[0]
 			configFile.Architecture = strings.Split(opts.CustomPlatform, "/")[1]
 		}
-		if !stage.Final {
-			configFile.Config.Labels = map[string]string{}
-		}
+
 		sourceImage, err = mutate.ConfigFile(sourceImage, configFile)
 		if err != nil {
 			return nil, err