diff --git a/.github/workflows/dockers-agent-faiss-image.yaml b/.github/workflows/dockers-agent-faiss-image.yaml
old mode 100755
new mode 100644
index 691dce26c6..1e86b30b98
--- a/.github/workflows/dockers-agent-faiss-image.yaml
+++ b/.github/workflows/dockers-agent-faiss-image.yaml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# DO_NOT_EDIT this workflow file is generated by https://github.com/vdaas/vald/blob/main/hack/actions/gen/main.go
 name: "Build docker image: agent-faiss"
 on:
   push:
diff --git a/.github/workflows/dockers-agent-image.yaml b/.github/workflows/dockers-agent-image.yaml
old mode 100755
new mode 100644
index f73b44f46d..95bc3c356e
--- a/.github/workflows/dockers-agent-image.yaml
+++ b/.github/workflows/dockers-agent-image.yaml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# DO_NOT_EDIT this workflow file is generated by https://github.com/vdaas/vald/blob/main/hack/actions/gen/main.go
 name: "Build docker image: agent"
 on:
   push:
diff --git a/.github/workflows/dockers-agent-ngt-image.yaml b/.github/workflows/dockers-agent-ngt-image.yaml
old mode 100755
new mode 100644
index 84c3b8f862..322dd1909c
--- a/.github/workflows/dockers-agent-ngt-image.yaml
+++ b/.github/workflows/dockers-agent-ngt-image.yaml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# DO_NOT_EDIT this workflow file is generated by https://github.com/vdaas/vald/blob/main/hack/actions/gen/main.go
 name: "Build docker image: agent-ngt"
 on:
   push:
diff --git a/.github/workflows/dockers-agent-sidecar-image.yaml b/.github/workflows/dockers-agent-sidecar-image.yaml
old mode 100755
new mode 100644
index 497151aee0..add50f2f64
--- a/.github/workflows/dockers-agent-sidecar-image.yaml
+++ b/.github/workflows/dockers-agent-sidecar-image.yaml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# DO_NOT_EDIT this workflow file is generated by https://github.com/vdaas/vald/blob/main/hack/actions/gen/main.go
 name: "Build docker image: agent-sidecar"
 on:
   push:
diff --git a/.github/workflows/dockers-benchmark-job-image.yaml b/.github/workflows/dockers-benchmark-job-image.yaml
old mode 100755
new mode 100644
index 23028c31bf..32f3890bdc
--- a/.github/workflows/dockers-benchmark-job-image.yaml
+++ b/.github/workflows/dockers-benchmark-job-image.yaml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# DO_NOT_EDIT this workflow file is generated by https://github.com/vdaas/vald/blob/main/hack/actions/gen/main.go
 name: "Build docker image: benchmark-job"
 on:
   push:
diff --git a/.github/workflows/dockers-benchmark-operator-image.yaml b/.github/workflows/dockers-benchmark-operator-image.yaml
old mode 100755
new mode 100644
index 764f505d76..c17cac5a85
--- a/.github/workflows/dockers-benchmark-operator-image.yaml
+++ b/.github/workflows/dockers-benchmark-operator-image.yaml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# DO_NOT_EDIT this workflow file is generated by https://github.com/vdaas/vald/blob/main/hack/actions/gen/main.go
 name: "Build docker image: benchmark-operator"
 on:
   push:
diff --git a/.github/workflows/dockers-binfmt-image.yaml b/.github/workflows/dockers-binfmt-image.yaml
old mode 100755
new mode 100644
index 497a188926..b09fb75803
--- a/.github/workflows/dockers-binfmt-image.yaml
+++ b/.github/workflows/dockers-binfmt-image.yaml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# DO_NOT_EDIT this workflow file is generated by https://github.com/vdaas/vald/blob/main/hack/actions/gen/main.go
 name: "Build docker image: binfmt"
 on:
   schedule:
diff --git a/.github/workflows/dockers-buildbase-image.yaml b/.github/workflows/dockers-buildbase-image.yaml
old mode 100755
new mode 100644
index 58b0a1ef83..572f4193a7
--- a/.github/workflows/dockers-buildbase-image.yaml
+++ b/.github/workflows/dockers-buildbase-image.yaml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# DO_NOT_EDIT this workflow file is generated by https://github.com/vdaas/vald/blob/main/hack/actions/gen/main.go
 name: "Build docker image: buildbase"
 on:
   schedule:
diff --git a/.github/workflows/dockers-buildkit-image.yaml b/.github/workflows/dockers-buildkit-image.yaml
old mode 100755
new mode 100644
index 1d6ceea7c4..b82940e8f6
--- a/.github/workflows/dockers-buildkit-image.yaml
+++ b/.github/workflows/dockers-buildkit-image.yaml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# DO_NOT_EDIT this workflow file is generated by https://github.com/vdaas/vald/blob/main/hack/actions/gen/main.go
 name: "Build docker image: buildkit"
 on:
   schedule:
diff --git a/.github/workflows/dockers-buildkit-syft-scanner-image.yaml b/.github/workflows/dockers-buildkit-syft-scanner-image.yaml
old mode 100755
new mode 100644
index b475416305..f0d55b3ef8
--- a/.github/workflows/dockers-buildkit-syft-scanner-image.yaml
+++ b/.github/workflows/dockers-buildkit-syft-scanner-image.yaml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# DO_NOT_EDIT this workflow file is generated by https://github.com/vdaas/vald/blob/main/hack/actions/gen/main.go
 name: "Build docker image: buildkit-syft-scanner"
 on:
   schedule:
diff --git a/.github/workflows/dockers-ci-container-image.yaml b/.github/workflows/dockers-ci-container-image.yaml
old mode 100755
new mode 100644
index 1e3e501f7a..0d75ad2ad2
--- a/.github/workflows/dockers-ci-container-image.yaml
+++ b/.github/workflows/dockers-ci-container-image.yaml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# DO_NOT_EDIT this workflow file is generated by https://github.com/vdaas/vald/blob/main/hack/actions/gen/main.go
 name: "Build docker image: ci-container"
 on:
   push:
diff --git a/.github/workflows/dockers-dev-container-image.yaml b/.github/workflows/dockers-dev-container-image.yaml
old mode 100755
new mode 100644
index 163134d95e..992417b637
--- a/.github/workflows/dockers-dev-container-image.yaml
+++ b/.github/workflows/dockers-dev-container-image.yaml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# DO_NOT_EDIT this workflow file is generated by https://github.com/vdaas/vald/blob/main/hack/actions/gen/main.go
 name: "Build docker image: dev-container"
 on:
   push:
diff --git a/.github/workflows/dockers-discoverer-k8s-image.yaml b/.github/workflows/dockers-discoverer-k8s-image.yaml
old mode 100755
new mode 100644
index a840e36cfd..555bd60c9e
--- a/.github/workflows/dockers-discoverer-k8s-image.yaml
+++ b/.github/workflows/dockers-discoverer-k8s-image.yaml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# DO_NOT_EDIT this workflow file is generated by https://github.com/vdaas/vald/blob/main/hack/actions/gen/main.go
 name: "Build docker image: discoverer-k8s"
 on:
   push:
diff --git a/.github/workflows/dockers-gateway-filter-image.yaml b/.github/workflows/dockers-gateway-filter-image.yaml
old mode 100755
new mode 100644
index 6d649d3c4a..4d4403b314
--- a/.github/workflows/dockers-gateway-filter-image.yaml
+++ b/.github/workflows/dockers-gateway-filter-image.yaml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# DO_NOT_EDIT this workflow file is generated by https://github.com/vdaas/vald/blob/main/hack/actions/gen/main.go
 name: "Build docker image: gateway-filter"
 on:
   push:
diff --git a/.github/workflows/dockers-gateway-lb-image.yaml b/.github/workflows/dockers-gateway-lb-image.yaml
old mode 100755
new mode 100644
index f61792f67a..533e9dcf51
--- a/.github/workflows/dockers-gateway-lb-image.yaml
+++ b/.github/workflows/dockers-gateway-lb-image.yaml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# DO_NOT_EDIT this workflow file is generated by https://github.com/vdaas/vald/blob/main/hack/actions/gen/main.go
 name: "Build docker image: gateway-lb"
 on:
   push:
diff --git a/.github/workflows/dockers-gateway-mirror-image.yaml b/.github/workflows/dockers-gateway-mirror-image.yaml
old mode 100755
new mode 100644
index e31d0dcd98..04c4877ee0
--- a/.github/workflows/dockers-gateway-mirror-image.yaml
+++ b/.github/workflows/dockers-gateway-mirror-image.yaml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# DO_NOT_EDIT this workflow file is generated by https://github.com/vdaas/vald/blob/main/hack/actions/gen/main.go
 name: "Build docker image: gateway-mirror"
 on:
   push:
diff --git a/.github/workflows/dockers-helm-operator-image.yaml b/.github/workflows/dockers-helm-operator-image.yaml
old mode 100755
new mode 100644
index d721fe37f5..eaed6ca1dd
--- a/.github/workflows/dockers-helm-operator-image.yaml
+++ b/.github/workflows/dockers-helm-operator-image.yaml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# DO_NOT_EDIT this workflow file is generated by https://github.com/vdaas/vald/blob/main/hack/actions/gen/main.go
 name: "Build docker image: helm-operator"
 on:
   push:
diff --git a/.github/workflows/dockers-index-correction-image.yaml b/.github/workflows/dockers-index-correction-image.yaml
old mode 100755
new mode 100644
index 6c9306740c..6ecd12980d
--- a/.github/workflows/dockers-index-correction-image.yaml
+++ b/.github/workflows/dockers-index-correction-image.yaml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# DO_NOT_EDIT this workflow file is generated by https://github.com/vdaas/vald/blob/main/hack/actions/gen/main.go
 name: "Build docker image: index-correction"
 on:
   push:
diff --git a/.github/workflows/dockers-index-creation-image.yaml b/.github/workflows/dockers-index-creation-image.yaml
old mode 100755
new mode 100644
index b79aaa9e87..c4a472fd8d
--- a/.github/workflows/dockers-index-creation-image.yaml
+++ b/.github/workflows/dockers-index-creation-image.yaml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# DO_NOT_EDIT this workflow file is generated by https://github.com/vdaas/vald/blob/main/hack/actions/gen/main.go
 name: "Build docker image: index-creation"
 on:
   push:
diff --git a/.github/workflows/dockers-index-operator-image.yaml b/.github/workflows/dockers-index-operator-image.yaml
old mode 100755
new mode 100644
index 1287ac02d8..83eba72f85
--- a/.github/workflows/dockers-index-operator-image.yaml
+++ b/.github/workflows/dockers-index-operator-image.yaml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# DO_NOT_EDIT this workflow file is generated by https://github.com/vdaas/vald/blob/main/hack/actions/gen/main.go
 name: "Build docker image: index-operator"
 on:
   push:
diff --git a/.github/workflows/dockers-index-save-image.yaml b/.github/workflows/dockers-index-save-image.yaml
old mode 100755
new mode 100644
index c1b6c838f3..55dec380ea
--- a/.github/workflows/dockers-index-save-image.yaml
+++ b/.github/workflows/dockers-index-save-image.yaml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# DO_NOT_EDIT this workflow file is generated by https://github.com/vdaas/vald/blob/main/hack/actions/gen/main.go
 name: "Build docker image: index-save"
 on:
   push:
diff --git a/.github/workflows/dockers-loadtest-image.yaml b/.github/workflows/dockers-loadtest-image.yaml
old mode 100755
new mode 100644
index 6bb824e9c0..d9abd2f5a9
--- a/.github/workflows/dockers-loadtest-image.yaml
+++ b/.github/workflows/dockers-loadtest-image.yaml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# DO_NOT_EDIT this workflow file is generated by https://github.com/vdaas/vald/blob/main/hack/actions/gen/main.go
 name: "Build docker image: loadtest"
 on:
   push:
diff --git a/.github/workflows/dockers-manager-index-image.yaml b/.github/workflows/dockers-manager-index-image.yaml
old mode 100755
new mode 100644
index 71cde3006c..eea93b7018
--- a/.github/workflows/dockers-manager-index-image.yaml
+++ b/.github/workflows/dockers-manager-index-image.yaml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# DO_NOT_EDIT this workflow file is generated by https://github.com/vdaas/vald/blob/main/hack/actions/gen/main.go
 name: "Build docker image: manager-index"
 on:
   push:
diff --git a/.github/workflows/dockers-readreplica-rotate-image.yaml b/.github/workflows/dockers-readreplica-rotate-image.yaml
old mode 100755
new mode 100644
index 8d1b815991..867e3f8111
--- a/.github/workflows/dockers-readreplica-rotate-image.yaml
+++ b/.github/workflows/dockers-readreplica-rotate-image.yaml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# DO_NOT_EDIT this workflow file is generated by https://github.com/vdaas/vald/blob/main/hack/actions/gen/main.go
 name: "Build docker image: readreplica-rotate"
 on:
   push: