From a920b94d4c70892949f37feca8cd75b91142886d Mon Sep 17 00:00:00 2001
From: Roland Walker <walker@pobox.com>
Date: Wed, 16 Sep 2026 16:45:35 -0400
Subject: [PATCH] publish multi-arch Docker images

The arm64 build is too slow to run in ordinary CI.

Incidentally update the changelog for release v2.25.0 .
---
 .github/workflows/publish.yml | 5 +++++
 changelog.md                  | 8 ++++++++
 2 files changed, 13 insertions(+)

diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 09815f7f..f71290ba 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -295,6 +295,10 @@ jobs:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
 
+    - name: Set up Docker Buildx
+      id: buildx
+      uses: docker/setup-buildx-action@f87e5991a6d7451dcb8d9637bfbc97413f497069 # v4.4.1
+
     - name: Extract metadata (tags, labels) for Docker
       id: meta
       uses: docker/metadata-action@dc802804100637a589fabce1cb79ff13a1411302 # v6.2.0
@@ -308,5 +312,6 @@ jobs:
         context: .
         file: docker/Dockerfile
         push: true
+        platforms: linux/amd64,linux/arm64
         tags: ${{ steps.meta.outputs.tags }}
         labels: ${{ steps.meta.outputs.labels }}
diff --git a/changelog.md b/changelog.md
index 57bbe308..8c2270ba 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,11 @@
+2.25.0 (2026/09/16)
+==============
+
+Features
+--------
+* Publish multi-architecture Docker images.
+
+
 2.24.5 (2026/09/16)
 ==============