From 81d3fe4a2726c7fd374d7adcc55c9c82726b4cfe Mon Sep 17 00:00:00 2001
From: Roland Walker <walker@pobox.com>
Date: Sat, 12 Sep 2026 18:55:45 -0400
Subject: [PATCH] build Docker image as part of regular CI tests

rather than deferring to the Publish action only.
---
 .github/workflows/ci.yml | 19 +++++++++++++++++++
 changelog.md             |  1 +
 2 files changed, 20 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ddf73d62..27b9cb2b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -249,3 +249,22 @@ jobs:
           TERM: xterm
         run: |
           uv run tox -e py3.14
+
+  docker-build:
+    name: Build Docker Image
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+
+      - name: Build Docker image
+        id: build
+        uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a # v7.3.0
+        with:
+          context: .
+          file: docker/Dockerfile
+          push: false
diff --git a/changelog.md b/changelog.md
index f2bdd3fe..64f1d9ad 100644
--- a/changelog.md
+++ b/changelog.md
@@ -4,6 +4,7 @@ Upcoming (TBD)
 Internal
 --------
 * Naming and commentary in `publish.yml` workflow.
+* Build Docker image as part of regular CI tests.
 
 
 2.24.4 (2026/09/12)