Fix build failure when releasing new version (#147)

Author: mallport

.github/workflows/build-deploy-app.yml

@@ -13,8 +13,9 @@ on:
 jobs:
   build-push:
     name: Build and push to registries
-    # If triggering event is release, the commits on 'master' should build
-    # the image
+    # When releasing, the Maven release plugin will create two commits -
+    # we only want this job to run once, so we exclude one of the commits.
+    if: ! contains(${{ github.event.head_commit.message }}, "prepare for next development iteration")
     runs-on: ubuntu-latest
     permissions:
       contents: read