From a633cedfa65e575863eee81a87d512091493eb1a Mon Sep 17 00:00:00 2001
From: Andrew Anderson <andy@clubanderson.com>
Date: Thu, 24 Sep 2026 07:52:07 -0400
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B=20ci:=20validate=20Docker=20builds?=
 =?UTF-8?q?=20on=20pull=20requests?=
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Signed-off-by: Andrew Anderson <andy@clubanderson.com>
---
 .github/workflows/docker.yml | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 08180b4..365f8cc 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -6,6 +6,13 @@ name: Docker
 on:
   push:
     branches: [main]
+  pull_request:
+    paths:
+      - Dockerfile
+      - .dockerignore
+      - 'go.*'
+      - '**/*.go'
+      - .github/workflows/docker.yml
 
 permissions:
   contents: read
@@ -16,6 +23,7 @@ env:
 
 jobs:
   publish:
+    if: github.event_name == 'push'
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -43,3 +51,20 @@ jobs:
             ${{ env.IMAGE }}:${{ github.sha }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
+
+  build-check:
+    if: github.event_name == 'pull_request'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: docker/setup-qemu-action@v3
+      - uses: docker/setup-buildx-action@v3
+      - name: Build (no push)
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: false
+          platforms: linux/amd64,linux/arm64
+          build-args: |
+            GIT_HASH=${{ github.sha }}
+          cache-from: type=gha