From 39470256b199d0a844a800f6515cc207c233c069 Mon Sep 17 00:00:00 2001
From: Dean Chen <862469039@qq.com>
Date: Fri, 7 Aug 2026 05:47:16 +0500
Subject: [PATCH] docs: point --progress and other Buildx-only flags to buildx
 build

Legacy docker build option tables omit BuildKit-only flags like
--progress; call that out so man/reference readers know where to look.

Fixes #4024

Signed-off-by: Dean Chen <862469039@qq.com>
---
 docs/reference/commandline/image_build.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/docs/reference/commandline/image_build.md b/docs/reference/commandline/image_build.md
index 5a7a00717b29..cf3deff98718 100644
--- a/docs/reference/commandline/image_build.md
+++ b/docs/reference/commandline/image_build.md
@@ -72,6 +72,11 @@ behavior in BuildKit. For information about features and flags that are common
 between the legacy builder and BuildKit, such as `--tag` and `--target`, refer
 to the documentation for [`docker buildx build`](https://docs.docker.com/reference/cli/docker/buildx/build/).
 
+Flags that only exist in Buildx/BuildKit, such as
+[`--progress`](https://docs.docker.com/reference/cli/docker/buildx/build/#progress)
+(`auto`, `plain`, `tty`, `rawjson`), are also documented on that page — not in
+the legacy option table above.
+
 ### Build context with the legacy builder
 
 The build context is the positional argument you pass when invoking the build