diff --git a/container/Containerfile b/container/Containerfile
index 4afbf59a321705..da4e92dd50e81a 100644
--- a/container/Containerfile
+++ b/container/Containerfile
@@ -26,6 +26,8 @@ COPY install-compilers.sh .
 RUN chmod +x install-compilers.sh ; ./install-compilers.sh
 COPY install-extra.sh .
 RUN chmod +x install-extra.sh ; ./install-extra.sh
+COPY install-buildroot.sh .
+RUN chmod +x install-buildroot.sh ; ./install-buildroot.sh
 
 RUN mkdir -p /usr/local/bin
 WORKDIR /usr/local/bin
diff --git a/container/install-buildroot.sh b/container/install-buildroot.sh
new file mode 100644
index 00000000000000..18823501379950
--- /dev/null
+++ b/container/install-buildroot.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+# for: build-doc-*
+
+set -e
+
+# Install packages required by Buildroot:
+# https://buildroot.org/downloads/manual/manual.html#requirement-mandatory
+zypper install -y --no-recommends \
+    gcc gcc-c++ make \
+    glibc-devel libstdc++-devel binutils ccache \
+    git wget rsync bc unzip cpio file \
+    which sed diffutils bash patch gzip bzip2 perl tar \
+    findutils gawk \