From bbce2d6727bbd9d26b9182936ec2eb1943d42a08 Mon Sep 17 00:00:00 2001
From: Dominic Shelton <frogamic@protonmail.com>
Date: Tue, 27 Oct 2026 22:43:01 +1100
Subject: [PATCH] doc: Document Docker oem installer build

---
 README.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/README.md b/README.md
index 25c0a02d..2d260779 100644
--- a/README.md
+++ b/README.md
@@ -97,6 +97,14 @@ docker run --rm -v $(pwd):/workspace rtlplayground-dev make MACHINE=DEFAULT_8C_1
 
 The resulting `.bin` file appears in `output/` on your host.
 
+Build the OEM web upgrade bin (after building the firmware bin)
+
+```
+docker run --rm -v $(pwd):/workspace rtlplayground-dev make -C installer
+```
+
+The resulting `rtlplayground_oem_upgrade.bin` file appears in `installer/output/` on your host.
+
 Build host tools only:
 
 ```