diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c35e2bc..16e9e3b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,7 +2,13 @@ name: CI
 
 on:
   push:
+    branches:
+      - 'main'
+    paths-ignore:
+      - '**.md'
   pull_request:
+    paths-ignore:
+      - '**.md'
 
 jobs:
   test-script:
@@ -112,6 +118,11 @@ jobs:
           bash -x backup.sh
           echo "Generated backup files:"
           ls -laR "$BACKUP_DIR"
+      - name: Test docker-bake.hcl contents
+        run: |
+          echo "Test if docker-bake.hcl have been generated by generate-docker-bake.sh..."
+          ./generate-docker-bake.sh docker-bake-generated.hcl
+          cmp docker-bake.hcl docker-bake-generated.hcl
 
   test-docker:
     if: ${{ github.event_name == 'pull_request' || github.ref != 'refs/heads/main' }}
diff --git a/generate-docker-bake.sh b/generate-docker-bake.sh
index e8193f2..72a2be2 100755
--- a/generate-docker-bake.sh
+++ b/generate-docker-bake.sh
@@ -8,7 +8,7 @@ TAGS_EXTRA="14 13 12"
 PLATFORMS="linux/amd64 linux/arm64 linux/arm/v7 linux/s390x linux/ppc64le"
 TAGS_EXTRA_2="11 10"
 PLATFORMS_DEBIAN_2="linux/amd64 linux/arm64 linux/arm/v7"
-DOCKER_BAKE_FILE="docker-bake.hcl"
+DOCKER_BAKE_FILE="${1:-docker-bake.hcl}"
 
 cd "$(dirname "$0")"