diff --git a/.github/workflows/release.yml b/.github/workflows/_release.yml
similarity index 62%
rename from .github/workflows/release.yml
rename to .github/workflows/_release.yml
index 0c41293b..7a00a22f 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/_release.yml
@@ -15,10 +15,16 @@
 #
 name: Run release
 on:
-  push:
-    branches:
-      - "release/v*.*"
-      - "!release/v*.*.*"
+  workflow_call:
+    inputs:
+      release_branch_name:
+        type: string
+        description: "The release branch name. e.g release/v1.7"
+        required: true
+      release_tag:
+        type: string
+        description: "The release tag"
+        required: true
 
 jobs:
   dump-contexts-to-log:
@@ -31,79 +37,21 @@ jobs:
     uses: ./.github/workflows/_detect-ci-container.yml
     secrets: inherit
 
-  semver-auto:
-    runs-on: ubuntu-latest
-    outputs:
-      RELEASE_BRANCH_NAME_SUFFIX: ${{ steps.set_context.outputs.RELEASE_BRANCH_NAME_SUFFIX }}
-      RELEASE_TAG: ${{ steps.upgrade_semver.outputs.RELEASE_TAG }}
-      RELEASE: ${{ steps.upgrade_semver.outputs.RELEASE }}
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-
-      - name: Set Github context
-        id: set_context
-        run: |
-          RELEASE_BRANCH_NAME_SUFFIX=`echo '${{ github.ref }}' | sed -e 's:^refs/heads/release/::'`
-          BRANCH_LATEST_TAG=`git tag | grep ${RELEASE_BRANCH_NAME_SUFFIX} | tail -n 1`
-          RELEASE_KIND=`echo "${{ github.event.head_commit.message }}" | sed -n -E 's:^\[(major|minor|patch)\].*:\1:p'`
-
-          echo "RELEASE_BRANCH_NAME_SUFFIX=${RELEASE_BRANCH_NAME_SUFFIX}" >> $GITHUB_OUTPUT # e.g) vx.x
-          echo "BRANCH_LATEST_TAG=${BRANCH_LATEST_TAG}"                   >> $GITHUB_OUTPUT # e.g) vx.x.x or empty
-          echo "RELEASE_KIND=${RELEASE_KIND}"                             >> $GITHUB_OUTPUT # e.g) major or minor or patch or empty
-
-          echo "${RELEASE_BRANCH_NAME_SUFFIX}"
-          echo "${BRANCH_LATEST_TAG}"
-          echo "${RELEASE_KIND}"
-
-      - name: Upgrade semver
-        id: upgrade_semver
-        if: ${{ steps.set_context.outputs.RELEASE_KIND != '' }}
-        env:
-          RELEASE_BRANCH_NAME_SUFFIX: ${{ steps.set_context.outputs.RELEASE_BRANCH_NAME_SUFFIX }}
-          BRANCH_LATEST_TAG: ${{ steps.set_context.outputs.BRANCH_LATEST_TAG }}
-          RELEASE_KIND: ${{ steps.set_context.outputs.RELEASE_KIND }}
-        run: |
-          if [ -z "${BRANCH_LATEST_TAG}" ]; then
-            case ${RELEASE_KIND} in
-            major | minor) RELEASE_TAG="${RELEASE_BRANCH_NAME_SUFFIX}.0"; ;;
-            *) echo "not supported semver kind"; exit 1; ;;
-            esac
-          else
-            IFS=. read -r version minor patch <<< "${BRANCH_LATEST_TAG}"
-
-            case ${RELEASE_KIND} in
-            patch) RELEASE_TAG="$version.$minor.$((patch+1))"; ;;
-            *) echo "not supported semver kind"; exit 1; ;;
-            esac
-          fi
-
-          if [ `git tag | grep "${RELEASE_TAG}"` ] || [ `cat versions/VALD_VERSION` = "${RELEASE_TAG}" ]; then
-            echo "release already exists: ${RELEASE_TAG}"
-            exit 1
-          fi
-
-          echo "RELEASE=true"             >> $GITHUB_OUTPUT
-          echo "RELEASE_TAG=$RELEASE_TAG" >> $GITHUB_OUTPUT # e.g) vx.x.x
-
-          echo "${RELEASE_TAG}"
-
   release:
     needs:
+      - dump-contexts-to-log
       - detect-ci-container
-      - semver-auto
     runs-on: ubuntu-latest
-    if: ${{ needs.semver-auto.outputs.RELEASE == 'true' }}
     container:
       image: ghcr.io/vdaas/vald/vald-ci-container:${{ needs.detect-ci-container.outputs.TAG_NAME }}
     env:
-      RELEASE_BRANCH_NAME: release/${{ needs.semver-auto.outputs.RELEASE_BRANCH_NAME_SUFFIX }}
-      RELEASE_TAG: ${{ needs.semver-auto.outputs.RELEASE_TAG }}
+      RELEASE_BRANCH_NAME: ${{ inputs.release_branch_name }}
+      RELEASE_TAG: ${{ inputs.release_tag }}
     steps:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
+          token: ${{ secrets.DISPATCH_TOKEN }}
 
       - name: Set Git config
         run: |
diff --git a/.github/workflows/release-major-minor.yaml b/.github/workflows/release-major-minor.yaml
new file mode 100644
index 00000000..1c188727
--- /dev/null
+++ b/.github/workflows/release-major-minor.yaml
@@ -0,0 +1,107 @@
+#
+# Copyright (C) 2019-2023 vdaas.org vald team <vald@vdaas.org>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# You may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+name: "Run [major/minor] Release"
+on:
+  push:
+    branches:
+      - "main"
+env:
+  BACKPORT_LABEL_PREFIX: "actions/backport/"
+
+jobs:
+  dump-contexts-to-log:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: ./.github/actions/dump-context
+
+  semver-auto:
+    runs-on: ubuntu-latest
+    needs: [dump-contexts-to-log]
+    outputs:
+      RELEASE_BRANCH_NAME: ${{ steps.set_context.outputs.RELEASE_BRANCH_NAME }}
+      RELEASE: ${{ steps.upgrade_semver.outputs.RELEASE }}
+      RELEASE_TAG: ${{ steps.upgrade_semver.outputs.RELEASE_TAG }}
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+          token: ${{ secrets.DISPATCH_TOKEN }}
+
+      - name: Set Git config
+        run: |
+          git config --global --add safe.directory ${GITHUB_WORKSPACE}
+
+      - name: Set context
+        id: set_context
+        run: |
+          LATEST_TAG=`git tag --sort=v:refname | tail -n 1`
+          UNSUPPORTED_VERSION=`git tag --sort=v:refname | sed -E 's/^v([0-9]+\.[0-9]+).*$/v\1/' | uniq | tail -n 2 | head -n 1`
+          RELEASE_KIND=`echo "${{ github.event.head_cmmit.message }}" | sed -n -E 's:^\[(major|minor)\].*:\1:p'`
+
+          echo "LATEST_TAG=${LATEST_TAG}"                   >> $GITHUB_OUTPUT # e.g) v1.7.6
+          echo "RELEASE_KIND=${RELEASE_KIND}"               >> $GITHUB_OUTPUT # e.g) major or minor
+          echo "UNSUPPORTED_VERSION=${UNSUPPORTED_VERSION}" >> $GITHUB_OUTPUT # e.g) v1.6
+
+          echo "LATEST_TAG=${LATEST_TAG}"
+          echo "RELEASE_KIND=${RELEASE_KIND}"
+          echo "UNSUPPORTED_VERSION=${UNSUPPORTED_VERSION}"
+
+      - name: Upgrade semver
+        id: upgrade_semver
+        if: ${{ steps.set_context.outputs.RELEASE_KIND != '' }}
+        env:
+          LATEST_TAG: ${{ steps.set_context.outputs.LATEST_TAG }}
+          RELEASE_KIND: ${{ steps.set_context.outputs.RELEASE_KIND }}
+        run: |
+          IFS=. read -r version minor patch <<< `echo "${LATEST_TAG}" | sed -e 's:^v::'`
+
+          case ${RELEASE_KIND} in
+          major) RELEASE_TAG="v$((version+1)).0.0";      RELEASE_BRANCH_NAME="release/v$((version+1)).0";       ;;
+          minor) RELEASE_TAG="v$version.$((minor+1)).0"; RELEASE_BRANCH_NAME="release/v$version.$((minor+1))";  ;;
+          *) echo "no need to update"; exit 0; ;;
+          esac
+
+          echo "RELEASE_TAG=${RELEASE_TAG}"                 >> $GITHUB_OUTPUT
+          echo "RELEASE_BRANCH_NAME=${RELEASE_BRANCH_NAME}" >> $GITHUB_OUTPUT
+
+          echo "RELEASE_TAG=${RELEASE_TAG}"
+          echo "RELEASE_BRANCH_NAME=${RELEASE_BRANCH_NAME}"
+
+      - name: Setup branch
+        id: setup_branch
+        if: ${{ steps.upgrade_semver.outputs.RELEASE_TAG != '' }}
+        env:
+          RELEASE_TAG: ${{ steps.upgrade_semver.outputs.RELEASE_TAG }}
+          RELEASE_BRANCH_NAME: ${{ steps.upgrade_semver.outputs.RELEASE_BRANCH_NAME }}
+        run: |
+          git checkout -b ${RELEASE_BRANCH_NAME} && git push origin ${RELEASE_BRANCH_NAME}
+          gh label create "${BACKPORT_LABEL_PREFIX}${RELEASE_BRANCH_NAME}" # e.g) actions/backport/release/v1.8
+
+          echo "RELEASE=true" >> ${GITHUB_OUTPUT}
+          echo "RELEASE_TAG=${RELEASE_TAG}"
+          echo "RELEASE_BRANCH_NAME=${RELEASE_BRANCH_NAME}"
+          echo "LABEL_NAME=${BACKPORT_LABEL_PREFIX}${RELEASE_BRANCH_NAME}"
+
+  release:
+    if: ${{ needs.semver-auto.outputs.RELEASE == 'true' }}
+    needs:
+      - semver-auto
+    uses: ./.github/workflows/_release.yml
+    with:
+      release_branch_name: ${{ needs.semver-auto.outputs.RELEASE_BRANCH_NAME }}
+      release_tag: ${{ needs.semver-auto.outputs.RELEASE_TAG }}
+    secrets: inherit
diff --git a/.github/workflows/release-patch.yml b/.github/workflows/release-patch.yml
new file mode 100644
index 00000000..4a822327
--- /dev/null
+++ b/.github/workflows/release-patch.yml
@@ -0,0 +1,83 @@
+#
+# Copyright (C) 2019-2023 vdaas.org vald team <vald@vdaas.org>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+name: "Run patch release"
+on:
+  push:
+    branches:
+      - "release/v*.*"
+      - "!release/v*.*.*"
+
+jobs:
+  dump-contexts-to-log:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: ./.github/actions/dump-context
+
+  semver-auto:
+    runs-on: ubuntu-latest
+    outputs:
+      RELEASE_BRANCH_NAME_SUFFIX: ${{ steps.set_context.outputs.RELEASE_BRANCH_NAME_SUFFIX }}
+      RELEASE_TAG: ${{ steps.upgrade_semver.outputs.RELEASE_TAG }}
+      RELEASE: ${{ steps.upgrade_semver.outputs.RELEASE }}
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Set context
+        id: set_context
+        run: |
+          RELEASE_BRANCH_NAME_SUFFIX=`echo '${{ github.ref }}' | sed -e 's:^refs/heads/release/::'`
+          BRANCH_LATEST_TAG=`git tag | grep ${RELEASE_BRANCH_NAME_SUFFIX} | tail -n 1`
+          RELEASE_KIND=`echo "${{ github.event.head_commit.message }}" | sed -n -E 's:^\[(patch)\].*:\1:p'`
+
+          echo "RELEASE_BRANCH_NAME_SUFFIX=${RELEASE_BRANCH_NAME_SUFFIX}" >> $GITHUB_OUTPUT # e.g) vx.x
+          echo "BRANCH_LATEST_TAG=${BRANCH_LATEST_TAG}"                   >> $GITHUB_OUTPUT # e.g) vx.x.x or empty
+          echo "RELEASE_KIND=${RELEASE_KIND}"                             >> $GITHUB_OUTPUT # e.g) major or minor or patch or empty
+
+          echo "RELEASE_BRANCH_NAME_SUFFIX=${RELEASE_BRANCH_NAME_SUFFIX}"
+          echo "BRANCH_LATEST_TAG=${BRANCH_LATEST_TAG}"
+          echo "RELEASE_KIND=${RELEASE_KIND}"
+
+      - name: Upgrade semver
+        id: upgrade_semver
+        if: ${{ steps.set_context.outputs.RELEASE_KIND != '' }}
+        env:
+          BRANCH_LATEST_TAG: ${{ steps.set_context.outputs.BRANCH_LATEST_TAG }}
+          RELEASE_KIND: ${{ steps.set_context.outputs.RELEASE_KIND }}
+        run: |
+          IFS=. read -r version minor patch <<< "${BRANCH_LATEST_TAG}" # version=v1, minor=7, patch=7
+
+          case ${RELEASE_KIND} in
+          patch) RELEASE_TAG="$version.$minor.$((patch+1))"; ;;
+          *) echo "not supported semver kind"; exit 1; ;;
+          esac
+
+          echo "RELEASE=true"             >> $GITHUB_OUTPUT
+          echo "RELEASE_TAG=$RELEASE_TAG" >> $GITHUB_OUTPUT # e.g) vx.x.x
+
+          echo "RELEASE_TAG=${RELEASE_TAG}"
+
+  release:
+    if: ${{ needs.semver-auto.outputs.RELEASE == 'true' }}
+    needs:
+      - semver-auto
+    uses: ./.github/workflows/_release.yml
+    with:
+      release_branch_name: "release/${{ needs.semver-auto.outputs.RELEASE_BRANCH_NAME_SUFFIX }}"
+      release_tag: ${{ needs.semver-auto.outputs.RELEASE_TAG }}
+    secrets: inherit
diff --git a/act/merge-event.json b/act/merge-event.json
new file mode 100644
index 00000000..ad0fdfab
--- /dev/null
+++ b/act/merge-event.json
@@ -0,0 +1,603 @@
+{
+  "token": "***",
+  "job": "dump-contexts-to-log",
+  "ref": "main",
+  "sha": "523058db7e4a475d6b2ac6b96550ef1d87e4abbb",
+  "repository": "vdaas/vald-ci-labs",
+  "repository_owner": "vdaas",
+  "repository_owner_id": "45956367",
+  "repositoryUrl": "git://github.com/vdaas/vald-ci-labs.git",
+  "run_id": "6168372210",
+  "run_number": "43",
+  "retention_days": "90",
+  "run_attempt": "1",
+  "artifact_cache_size_limit": "10",
+  "repository_visibility": "private",
+  "repo-self-hosted-runners-disabled": false,
+  "enterprise-managed-business-id": "",
+  "repository_id": "239917734",
+  "actor_id": "25459661",
+  "actor": "hlts2",
+  "triggering_actor": "hlts2",
+  "workflow": "Run backport PR creation",
+  "head_ref": "bugfix/lb/handler-logic",
+  "base_ref": "main",
+  "event_name": "pull_request",
+  "event": {
+    "action": "closed",
+    "number": 73,
+    "organization": {
+      "avatar_url": "https://avatars.githubusercontent.com/u/45956367?v=4",
+      "description": "Everything becomes Vector",
+      "events_url": "https://api.github.com/orgs/vdaas/events",
+      "hooks_url": "https://api.github.com/orgs/vdaas/hooks",
+      "id": 45956367,
+      "issues_url": "https://api.github.com/orgs/vdaas/issues",
+      "login": "vdaas",
+      "members_url": "https://api.github.com/orgs/vdaas/members{/member}",
+      "node_id": "MDEyOk9yZ2FuaXphdGlvbjQ1OTU2MzY3",
+      "public_members_url": "https://api.github.com/orgs/vdaas/public_members{/member}",
+      "repos_url": "https://api.github.com/orgs/vdaas/repos",
+      "url": "https://api.github.com/orgs/vdaas"
+    },
+    "pull_request": {
+      "_links": {
+        "comments": {
+          "href": "https://api.github.com/repos/vdaas/vald-ci-labs/issues/73/comments"
+        },
+        "commits": {
+          "href": "https://api.github.com/repos/vdaas/vald-ci-labs/pulls/73/commits"
+        },
+        "html": { "href": "https://github.com/vdaas/vald-ci-labs/pull/73" },
+        "issue": {
+          "href": "https://api.github.com/repos/vdaas/vald-ci-labs/issues/73"
+        },
+        "review_comment": {
+          "href": "https://api.github.com/repos/vdaas/vald-ci-labs/pulls/comments{/number}"
+        },
+        "review_comments": {
+          "href": "https://api.github.com/repos/vdaas/vald-ci-labs/pulls/73/comments"
+        },
+        "self": {
+          "href": "https://api.github.com/repos/vdaas/vald-ci-labs/pulls/73"
+        },
+        "statuses": {
+          "href": "https://api.github.com/repos/vdaas/vald-ci-labs/statuses/228564dff4cea3c8be5e937d1a10c670804fbbd4"
+        }
+      },
+      "active_lock_reason": null,
+      "additions": 1,
+      "assignee": null,
+      "assignees": [],
+      "author_association": "CONTRIBUTOR",
+      "auto_merge": null,
+      "base": {
+        "label": "vdaas:main",
+        "ref": "main",
+        "repo": {
+          "allow_auto_merge": false,
+          "allow_forking": false,
+          "allow_merge_commit": true,
+          "allow_rebase_merge": true,
+          "allow_squash_merge": true,
+          "allow_update_branch": false,
+          "archive_url": "https://api.github.com/repos/vdaas/vald-ci-labs/{archive_format}{/ref}",
+          "archived": false,
+          "assignees_url": "https://api.github.com/repos/vdaas/vald-ci-labs/assignees{/user}",
+          "blobs_url": "https://api.github.com/repos/vdaas/vald-ci-labs/git/blobs{/sha}",
+          "branches_url": "https://api.github.com/repos/vdaas/vald-ci-labs/branches{/branch}",
+          "clone_url": "https://github.com/vdaas/vald-ci-labs.git",
+          "collaborators_url": "https://api.github.com/repos/vdaas/vald-ci-labs/collaborators{/collaborator}",
+          "comments_url": "https://api.github.com/repos/vdaas/vald-ci-labs/comments{/number}",
+          "commits_url": "https://api.github.com/repos/vdaas/vald-ci-labs/commits{/sha}",
+          "compare_url": "https://api.github.com/repos/vdaas/vald-ci-labs/compare/{base}...{head}",
+          "contents_url": "https://api.github.com/repos/vdaas/vald-ci-labs/contents/{+path}",
+          "contributors_url": "https://api.github.com/repos/vdaas/vald-ci-labs/contributors",
+          "created_at": "2020-02-12T03:21:39Z",
+          "default_branch": "main",
+          "delete_branch_on_merge": true,
+          "deployments_url": "https://api.github.com/repos/vdaas/vald-ci-labs/deployments",
+          "description": null,
+          "disabled": false,
+          "downloads_url": "https://api.github.com/repos/vdaas/vald-ci-labs/downloads",
+          "events_url": "https://api.github.com/repos/vdaas/vald-ci-labs/events",
+          "fork": false,
+          "forks": 0,
+          "forks_count": 0,
+          "forks_url": "https://api.github.com/repos/vdaas/vald-ci-labs/forks",
+          "full_name": "vdaas/vald-ci-labs",
+          "git_commits_url": "https://api.github.com/repos/vdaas/vald-ci-labs/git/commits{/sha}",
+          "git_refs_url": "https://api.github.com/repos/vdaas/vald-ci-labs/git/refs{/sha}",
+          "git_tags_url": "https://api.github.com/repos/vdaas/vald-ci-labs/git/tags{/sha}",
+          "git_url": "git://github.com/vdaas/vald-ci-labs.git",
+          "has_discussions": false,
+          "has_downloads": true,
+          "has_issues": true,
+          "has_pages": false,
+          "has_projects": true,
+          "has_wiki": false,
+          "homepage": null,
+          "hooks_url": "https://api.github.com/repos/vdaas/vald-ci-labs/hooks",
+          "html_url": "https://github.com/vdaas/vald-ci-labs",
+          "id": 239917734,
+          "is_template": false,
+          "issue_comment_url": "https://api.github.com/repos/vdaas/vald-ci-labs/issues/comments{/number}",
+          "issue_events_url": "https://api.github.com/repos/vdaas/vald-ci-labs/issues/events{/number}",
+          "issues_url": "https://api.github.com/repos/vdaas/vald-ci-labs/issues{/number}",
+          "keys_url": "https://api.github.com/repos/vdaas/vald-ci-labs/keys{/key_id}",
+          "labels_url": "https://api.github.com/repos/vdaas/vald-ci-labs/labels{/name}",
+          "language": "Go",
+          "languages_url": "https://api.github.com/repos/vdaas/vald-ci-labs/languages",
+          "license": {
+            "key": "apache-2.0",
+            "name": "Apache License 2.0",
+            "node_id": "MDc6TGljZW5zZTI=",
+            "spdx_id": "Apache-2.0",
+            "url": "https://api.github.com/licenses/apache-2.0"
+          },
+          "merge_commit_message": "PR_TITLE",
+          "merge_commit_title": "MERGE_MESSAGE",
+          "merges_url": "https://api.github.com/repos/vdaas/vald-ci-labs/merges",
+          "milestones_url": "https://api.github.com/repos/vdaas/vald-ci-labs/milestones{/number}",
+          "mirror_url": null,
+          "name": "vald-ci-labs",
+          "node_id": "MDEwOlJlcG9zaXRvcnkyMzk5MTc3MzQ=",
+          "notifications_url": "https://api.github.com/repos/vdaas/vald-ci-labs/notifications{?since,all,participating}",
+          "open_issues": 0,
+          "open_issues_count": 0,
+          "owner": {
+            "avatar_url": "https://avatars.githubusercontent.com/u/45956367?v=4",
+            "events_url": "https://api.github.com/users/vdaas/events{/privacy}",
+            "followers_url": "https://api.github.com/users/vdaas/followers",
+            "following_url": "https://api.github.com/users/vdaas/following{/other_user}",
+            "gists_url": "https://api.github.com/users/vdaas/gists{/gist_id}",
+            "gravatar_id": "",
+            "html_url": "https://github.com/vdaas",
+            "id": 45956367,
+            "login": "vdaas",
+            "node_id": "MDEyOk9yZ2FuaXphdGlvbjQ1OTU2MzY3",
+            "organizations_url": "https://api.github.com/users/vdaas/orgs",
+            "received_events_url": "https://api.github.com/users/vdaas/received_events",
+            "repos_url": "https://api.github.com/users/vdaas/repos",
+            "site_admin": false,
+            "starred_url": "https://api.github.com/users/vdaas/starred{/owner}{/repo}",
+            "subscriptions_url": "https://api.github.com/users/vdaas/subscriptions",
+            "type": "Organization",
+            "url": "https://api.github.com/users/vdaas"
+          },
+          "private": true,
+          "pulls_url": "https://api.github.com/repos/vdaas/vald-ci-labs/pulls{/number}",
+          "pushed_at": "2023-09-13T05:30:01Z",
+          "releases_url": "https://api.github.com/repos/vdaas/vald-ci-labs/releases{/id}",
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+        "html_url": "https://github.com/vdaas",
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+        "organizations_url": "https://api.github.com/users/vdaas/orgs",
+        "received_events_url": "https://api.github.com/users/vdaas/received_events",
+        "repos_url": "https://api.github.com/users/vdaas/repos",
+        "site_admin": false,
+        "starred_url": "https://api.github.com/users/vdaas/starred{/owner}{/repo}",
+        "subscriptions_url": "https://api.github.com/users/vdaas/subscriptions",
+        "type": "Organization",
+        "url": "https://api.github.com/users/vdaas"
+      },
+      "private": true,
+      "pulls_url": "https://api.github.com/repos/vdaas/vald-ci-labs/pulls{/number}",
+      "pushed_at": "2023-09-13T05:30:01Z",
+      "releases_url": "https://api.github.com/repos/vdaas/vald-ci-labs/releases{/id}",
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+      "ssh_url": "git@github.com:vdaas/vald-ci-labs.git",
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+      "stargazers_url": "https://api.github.com/repos/vdaas/vald-ci-labs/stargazers",
+      "statuses_url": "https://api.github.com/repos/vdaas/vald-ci-labs/statuses/{sha}",
+      "subscribers_url": "https://api.github.com/repos/vdaas/vald-ci-labs/subscribers",
+      "subscription_url": "https://api.github.com/repos/vdaas/vald-ci-labs/subscription",
+      "svn_url": "https://github.com/vdaas/vald-ci-labs",
+      "tags_url": "https://api.github.com/repos/vdaas/vald-ci-labs/tags",
+      "teams_url": "https://api.github.com/repos/vdaas/vald-ci-labs/teams",
+      "topics": [],
+      "trees_url": "https://api.github.com/repos/vdaas/vald-ci-labs/git/trees{/sha}",
+      "updated_at": "2023-09-12T12:15:16Z",
+      "url": "https://api.github.com/repos/vdaas/vald-ci-labs",
+      "visibility": "private",
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+      "watchers_count": 0,
+      "web_commit_signoff_required": false
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+      "avatar_url": "https://avatars.githubusercontent.com/u/25459661?v=4",
+      "events_url": "https://api.github.com/users/hlts2/events{/privacy}",
+      "followers_url": "https://api.github.com/users/hlts2/followers",
+      "following_url": "https://api.github.com/users/hlts2/following{/other_user}",
+      "gists_url": "https://api.github.com/users/hlts2/gists{/gist_id}",
+      "gravatar_id": "",
+      "html_url": "https://github.com/hlts2",
+      "id": 25459661,
+      "login": "hlts2",
+      "node_id": "MDQ6VXNlcjI1NDU5NjYx",
+      "organizations_url": "https://api.github.com/users/hlts2/orgs",
+      "received_events_url": "https://api.github.com/users/hlts2/received_events",
+      "repos_url": "https://api.github.com/users/hlts2/repos",
+      "site_admin": false,
+      "starred_url": "https://api.github.com/users/hlts2/starred{/owner}{/repo}",
+      "subscriptions_url": "https://api.github.com/users/hlts2/subscriptions",
+      "type": "User",
+      "url": "https://api.github.com/users/hlts2"
+    }
+  },
+  "server_url": "https://github.com",
+  "api_url": "https://api.github.com",
+  "graphql_url": "https://api.github.com/graphql",
+  "ref_name": "main",
+  "ref_protected": false,
+  "ref_type": "branch",
+  "secret_source": "Actions",
+  "workflow_ref": "vdaas/vald-ci-labs/.github/workflows/pr.yaml@main",
+  "workflow_sha": "523058db7e4a475d6b2ac6b96550ef1d87e4abbb",
+  "workspace": "/home/runner/work/vald-ci-labs/vald-ci-labs",
+  "action": "__self",
+  "event_path": "/home/runner/work/_temp/_github_workflow/event.json",
+  "action_repository": "",
+  "action_ref": "",
+  "path": "/home/runner/work/_temp/_runner_file_commands/add_path_26f170f6-4889-4d3b-8785-0061d5739107",
+  "env": "/home/runner/work/_temp/_runner_file_commands/set_env_26f170f6-4889-4d3b-8785-0061d5739107",
+  "step_summary": "/home/runner/work/_temp/_runner_file_commands/step_summary_26f170f6-4889-4d3b-8785-0061d5739107",
+  "state": "/home/runner/work/_temp/_runner_file_commands/save_state_26f170f6-4889-4d3b-8785-0061d5739107",
+  "output": "/home/runner/work/_temp/_runner_file_commands/set_output_26f170f6-4889-4d3b-8785-0061d5739107",
+  "action_path": "/home/runner/work/vald-ci-labs/vald-ci-labs/./.github/actions/dump-context",
+  "action_status": "success"
+}
diff --git a/act/push-event-for-release.json b/act/push-event-for-release.json
new file mode 100644
index 00000000..daa86079
--- /dev/null
+++ b/act/push-event-for-release.json
@@ -0,0 +1,241 @@
+{
+  "token": "***",
+  "job": "dump-contexts-to-log",
+  "ref": "refs/heads/release/v1.7",
+  "sha": "11d6382bbe28ae65e033bb852807ab06e75e8978",
+  "repository": "vdaas/vald-ci-labs",
+  "repository_owner": "vdaas",
+  "repository_owner_id": "45956367",
+  "repositoryUrl": "git://github.com/vdaas/vald-ci-labs.git",
+  "run_id": "6168326973",
+  "run_number": "101",
+  "retention_days": "90",
+  "run_attempt": "1",
+  "artifact_cache_size_limit": "10",
+  "repository_visibility": "private",
+  "repo-self-hosted-runners-disabled": false,
+  "enterprise-managed-business-id": "",
+  "repository_id": "239917734",
+  "actor_id": "25459661",
+  "actor": "hlts2",
+  "triggering_actor": "hlts2",
+  "workflow": "Run release",
+  "head_ref": "",
+  "base_ref": "",
+  "event_name": "push",
+  "event": {
+    "after": "11d6382bbe28ae65e033bb852807ab06e75e8978",
+    "base_ref": null,
+    "before": "61a6c343387f9919137d97d427d4382a0413f321",
+    "commits": [
+      {
+        "author": {
+          "email": "hiroto.funakoshi.hiroto@gmail.com",
+          "name": "Hiroto Funakoshi",
+          "username": "hlts2"
+        },
+        "committer": {
+          "email": "noreply@github.com",
+          "name": "GitHub",
+          "username": "web-flow"
+        },
+        "distinct": true,
+        "id": "11d6382bbe28ae65e033bb852807ab06e75e8978",
+        "message": "[minor] Release v1.7.0 (#72)",
+        "timestamp": "2023-09-13T14:23:19+09:00",
+        "tree_id": "b7ec30460e1b445d10c1183e715ba5cfcc26d727",
+        "url": "https://github.com/vdaas/vald-ci-labs/commit/11d6382bbe28ae65e033bb852807ab06e75e8978"
+      }
+    ],
+    "compare": "https://github.com/vdaas/vald-ci-labs/compare/61a6c343387f...11d6382bbe28",
+    "created": false,
+    "deleted": false,
+    "forced": false,
+    "head_commit": {
+      "author": {
+        "email": "hiroto.funakoshi.hiroto@gmail.com",
+        "name": "Hiroto Funakoshi",
+        "username": "hlts2"
+      },
+      "committer": {
+        "email": "noreply@github.com",
+        "name": "GitHub",
+        "username": "web-flow"
+      },
+      "distinct": true,
+      "id": "11d6382bbe28ae65e033bb852807ab06e75e8978",
+      "message": "[minor] Release v1.7.0 (#72)",
+      "timestamp": "2023-09-13T14:23:19+09:00",
+      "tree_id": "b7ec30460e1b445d10c1183e715ba5cfcc26d727",
+      "url": "https://github.com/vdaas/vald-ci-labs/commit/11d6382bbe28ae65e033bb852807ab06e75e8978"
+    },
+    "organization": {
+      "avatar_url": "https://avatars.githubusercontent.com/u/45956367?v=4",
+      "description": "Everything becomes Vector",
+      "events_url": "https://api.github.com/orgs/vdaas/events",
+      "hooks_url": "https://api.github.com/orgs/vdaas/hooks",
+      "id": 45956367,
+      "issues_url": "https://api.github.com/orgs/vdaas/issues",
+      "login": "vdaas",
+      "members_url": "https://api.github.com/orgs/vdaas/members{/member}",
+      "node_id": "MDEyOk9yZ2FuaXphdGlvbjQ1OTU2MzY3",
+      "public_members_url": "https://api.github.com/orgs/vdaas/public_members{/member}",
+      "repos_url": "https://api.github.com/orgs/vdaas/repos",
+      "url": "https://api.github.com/orgs/vdaas"
+    },
+    "pusher": { "email": "hiroto.funakoshi.hiroto@gmail.com", "name": "hlts2" },
+    "ref": "refs/heads/release/v1.7",
+    "repository": {
+      "allow_forking": false,
+      "archive_url": "https://api.github.com/repos/vdaas/vald-ci-labs/{archive_format}{/ref}",
+      "archived": false,
+      "assignees_url": "https://api.github.com/repos/vdaas/vald-ci-labs/assignees{/user}",
+      "blobs_url": "https://api.github.com/repos/vdaas/vald-ci-labs/git/blobs{/sha}",
+      "branches_url": "https://api.github.com/repos/vdaas/vald-ci-labs/branches{/branch}",
+      "clone_url": "https://github.com/vdaas/vald-ci-labs.git",
+      "collaborators_url": "https://api.github.com/repos/vdaas/vald-ci-labs/collaborators{/collaborator}",
+      "comments_url": "https://api.github.com/repos/vdaas/vald-ci-labs/comments{/number}",
+      "commits_url": "https://api.github.com/repos/vdaas/vald-ci-labs/commits{/sha}",
+      "compare_url": "https://api.github.com/repos/vdaas/vald-ci-labs/compare/{base}...{head}",
+      "contents_url": "https://api.github.com/repos/vdaas/vald-ci-labs/contents/{+path}",
+      "contributors_url": "https://api.github.com/repos/vdaas/vald-ci-labs/contributors",
+      "created_at": 1581477699,
+      "default_branch": "main",
+      "deployments_url": "https://api.github.com/repos/vdaas/vald-ci-labs/deployments",
+      "description": null,
+      "disabled": false,
+      "downloads_url": "https://api.github.com/repos/vdaas/vald-ci-labs/downloads",
+      "events_url": "https://api.github.com/repos/vdaas/vald-ci-labs/events",
+      "fork": false,
+      "forks": 0,
+      "forks_count": 0,
+      "forks_url": "https://api.github.com/repos/vdaas/vald-ci-labs/forks",
+      "full_name": "vdaas/vald-ci-labs",
+      "git_commits_url": "https://api.github.com/repos/vdaas/vald-ci-labs/git/commits{/sha}",
+      "git_refs_url": "https://api.github.com/repos/vdaas/vald-ci-labs/git/refs{/sha}",
+      "git_tags_url": "https://api.github.com/repos/vdaas/vald-ci-labs/git/tags{/sha}",
+      "git_url": "git://github.com/vdaas/vald-ci-labs.git",
+      "has_discussions": false,
+      "has_downloads": true,
+      "has_issues": true,
+      "has_pages": false,
+      "has_projects": true,
+      "has_wiki": true,
+      "homepage": null,
+      "hooks_url": "https://api.github.com/repos/vdaas/vald-ci-labs/hooks",
+      "html_url": "https://github.com/vdaas/vald-ci-labs",
+      "id": 239917734,
+      "is_template": false,
+      "issue_comment_url": "https://api.github.com/repos/vdaas/vald-ci-labs/issues/comments{/number}",
+      "issue_events_url": "https://api.github.com/repos/vdaas/vald-ci-labs/issues/events{/number}",
+      "issues_url": "https://api.github.com/repos/vdaas/vald-ci-labs/issues{/number}",
+      "keys_url": "https://api.github.com/repos/vdaas/vald-ci-labs/keys{/key_id}",
+      "labels_url": "https://api.github.com/repos/vdaas/vald-ci-labs/labels{/name}",
+      "language": "Go",
+      "languages_url": "https://api.github.com/repos/vdaas/vald-ci-labs/languages",
+      "license": {
+        "key": "apache-2.0",
+        "name": "Apache License 2.0",
+        "node_id": "MDc6TGljZW5zZTI=",
+        "spdx_id": "Apache-2.0",
+        "url": "https://api.github.com/licenses/apache-2.0"
+      },
+      "master_branch": "main",
+      "merges_url": "https://api.github.com/repos/vdaas/vald-ci-labs/merges",
+      "milestones_url": "https://api.github.com/repos/vdaas/vald-ci-labs/milestones{/number}",
+      "mirror_url": null,
+      "name": "vald-ci-labs",
+      "node_id": "MDEwOlJlcG9zaXRvcnkyMzk5MTc3MzQ=",
+      "notifications_url": "https://api.github.com/repos/vdaas/vald-ci-labs/notifications{?since,all,participating}",
+      "open_issues": 0,
+      "open_issues_count": 0,
+      "organization": "vdaas",
+      "owner": {
+        "avatar_url": "https://avatars.githubusercontent.com/u/45956367?v=4",
+        "email": "vald@vdaas.org",
+        "events_url": "https://api.github.com/users/vdaas/events{/privacy}",
+        "followers_url": "https://api.github.com/users/vdaas/followers",
+        "following_url": "https://api.github.com/users/vdaas/following{/other_user}",
+        "gists_url": "https://api.github.com/users/vdaas/gists{/gist_id}",
+        "gravatar_id": "",
+        "html_url": "https://github.com/vdaas",
+        "id": 45956367,
+        "login": "vdaas",
+        "name": "vdaas",
+        "node_id": "MDEyOk9yZ2FuaXphdGlvbjQ1OTU2MzY3",
+        "organizations_url": "https://api.github.com/users/vdaas/orgs",
+        "received_events_url": "https://api.github.com/users/vdaas/received_events",
+        "repos_url": "https://api.github.com/users/vdaas/repos",
+        "site_admin": false,
+        "starred_url": "https://api.github.com/users/vdaas/starred{/owner}{/repo}",
+        "subscriptions_url": "https://api.github.com/users/vdaas/subscriptions",
+        "type": "Organization",
+        "url": "https://api.github.com/users/vdaas"
+      },
+      "private": true,
+      "pulls_url": "https://api.github.com/repos/vdaas/vald-ci-labs/pulls{/number}",
+      "pushed_at": 1694582599,
+      "releases_url": "https://api.github.com/repos/vdaas/vald-ci-labs/releases{/id}",
+      "size": 9754,
+      "ssh_url": "git@github.com:vdaas/vald-ci-labs.git",
+      "stargazers": 0,
+      "stargazers_count": 0,
+      "stargazers_url": "https://api.github.com/repos/vdaas/vald-ci-labs/stargazers",
+      "statuses_url": "https://api.github.com/repos/vdaas/vald-ci-labs/statuses/{sha}",
+      "subscribers_url": "https://api.github.com/repos/vdaas/vald-ci-labs/subscribers",
+      "subscription_url": "https://api.github.com/repos/vdaas/vald-ci-labs/subscription",
+      "svn_url": "https://github.com/vdaas/vald-ci-labs",
+      "tags_url": "https://api.github.com/repos/vdaas/vald-ci-labs/tags",
+      "teams_url": "https://api.github.com/repos/vdaas/vald-ci-labs/teams",
+      "topics": [],
+      "trees_url": "https://api.github.com/repos/vdaas/vald-ci-labs/git/trees{/sha}",
+      "updated_at": "2023-09-12T12:15:16Z",
+      "url": "https://github.com/vdaas/vald-ci-labs",
+      "visibility": "private",
+      "watchers": 0,
+      "watchers_count": 0,
+      "web_commit_signoff_required": false
+    },
+    "sender": {
+      "avatar_url": "https://avatars.githubusercontent.com/u/25459661?v=4",
+      "events_url": "https://api.github.com/users/hlts2/events{/privacy}",
+      "followers_url": "https://api.github.com/users/hlts2/followers",
+      "following_url": "https://api.github.com/users/hlts2/following{/other_user}",
+      "gists_url": "https://api.github.com/users/hlts2/gists{/gist_id}",
+      "gravatar_id": "",
+      "html_url": "https://github.com/hlts2",
+      "id": 25459661,
+      "login": "hlts2",
+      "node_id": "MDQ6VXNlcjI1NDU5NjYx",
+      "organizations_url": "https://api.github.com/users/hlts2/orgs",
+      "received_events_url": "https://api.github.com/users/hlts2/received_events",
+      "repos_url": "https://api.github.com/users/hlts2/repos",
+      "site_admin": false,
+      "starred_url": "https://api.github.com/users/hlts2/starred{/owner}{/repo}",
+      "subscriptions_url": "https://api.github.com/users/hlts2/subscriptions",
+      "type": "User",
+      "url": "https://api.github.com/users/hlts2"
+    }
+  },
+  "server_url": "https://github.com",
+  "api_url": "https://api.github.com",
+  "graphql_url": "https://api.github.com/graphql",
+  "ref_name": "release/v1.7",
+  "ref_protected": false,
+  "ref_type": "branch",
+  "secret_source": "Actions",
+  "workflow_ref": "vdaas/vald-ci-labs/.github/workflows/release.yml@refs/heads/release/v1.7",
+  "workflow_sha": "11d6382bbe28ae65e033bb852807ab06e75e8978",
+  "workspace": "/home/runner/work/vald-ci-labs/vald-ci-labs",
+  "action": "__self",
+  "event_path": "/home/runner/work/_temp/_github_workflow/event.json",
+  "action_repository": "",
+  "action_ref": "",
+  "path": "/home/runner/work/_temp/_runner_file_commands/add_path_723e81aa-0df2-4bb7-ba9a-a803e0b9d3fa",
+  "env": "/home/runner/work/_temp/_runner_file_commands/set_env_723e81aa-0df2-4bb7-ba9a-a803e0b9d3fa",
+  "step_summary": "/home/runner/work/_temp/_runner_file_commands/step_summary_723e81aa-0df2-4bb7-ba9a-a803e0b9d3fa",
+  "state": "/home/runner/work/_temp/_runner_file_commands/save_state_723e81aa-0df2-4bb7-ba9a-a803e0b9d3fa",
+  "output": "/home/runner/work/_temp/_runner_file_commands/set_output_723e81aa-0df2-4bb7-ba9a-a803e0b9d3fa",
+  "action_path": "/home/runner/work/vald-ci-labs/vald-ci-labs/./.github/actions/dump-context",
+  "action_status": "success"
+}
diff --git a/git.sh b/git.sh
index 37d6613a..88f2fc12 100644
--- a/git.sh
+++ b/git.sh
@@ -1,14 +1,35 @@
 #!/bin/sh
 
-var="v1.7.6"
-IFS=. read -r version minor patch <<EOF
-$var
-EOF
-
-case "$1" in
-patch) tag="$version.$minor.$((patch+1))"; ;;
-major) tag="$((version+1)).0.0"; ;;
-*)     tag="$version.$((minor+1)).0"; ;;
+BRANCH_LATEST_TAG="v1.7.6"
+
+RELEASE_KIND="minor"
+
+IFS=. read -r version minor patch <<< `echo "${BRANCH_LATEST_TAG}" | sed -e 's:^v::'`
+
+case ${RELEASE_KIND} in
+major) RELEASE_TAG="v$((version+1)).0.0";      RELEASE_BRANCH_NAME="v$((version+1)).0";       ;;
+minor) RELEASE_TAG="v$version.$((minor+1)).0"; RELEASE_BRANCH_NAME="v$version.$((minor+1))";  ;;
+*) echo "not supported semver kind"; exit 1; ;;
 esac
 
-echo $tag
+# case "$1" in
+# patch) tag="$version.$minor.$((patch+1))"; ;;
+# minor) tag="$version.$((minor+1)).0"; ;;
+# major) tag="$((version+1)).0.0"; ;;
+# *)     tag="$version.$((minor+1)).0"; ;;
+# esac
+
+echo "PREV_TAG=${BRANCH_LATEST_TAG}"
+echo "RELEASE_KIND=${RELEASE_KIND}"
+echo "${RELEASE_TAG}"
+echo "${RELEASE_BRANCH_NAME}"
+
+
+
+# case "$1" in
+# patch) tag="$version.$minor.$((patch+1))"; ;;
+# major) tag="$((version+1)).0.0"; ;;
+# *)     tag="$version.$((minor+1)).0"; ;;
+# esac
+#
+# echo $tag