diff --git a/.github/workflows/backend-ci-deploy.yml b/.github/workflows/backend-ci-deploy.yml
index 7e40009..7905d8b 100644
--- a/.github/workflows/backend-ci-deploy.yml
+++ b/.github/workflows/backend-ci-deploy.yml
@@ -1,4 +1,4 @@
-name: Build Jar File
+name: Build And Push Docker Image
 
 on:
   push:
@@ -33,7 +33,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           repository: BCSDLab/bcsdlab-credentials
-          token: ${{ secrets.CONFIG_REPO_ACCESS_TOKEN }}
+          ssh-key: ${{ secrets.CREDENTIALS_REPO_PEM_KEY }}
           sparse-checkout: bcsd-api/${{ env.TARGET_ENV }}
           path: .temp
 
diff --git a/.github/workflows/per-merge-slack-sender.yml b/.github/workflows/per-merge-slack-sender.yml
deleted file mode 100644
index 691ffc2..0000000
--- a/.github/workflows/per-merge-slack-sender.yml
+++ /dev/null
@@ -1,28 +0,0 @@
-on:
-  pull_request:
-    types: closed
-
-jobs:
-  check_pr_merged:
-    if: github.event.pull_request.merged == true
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
-
-      - name: Check PR Merged
-        id: check_pr_merged
-        uses: actions/github-script@v7
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          script: |
-            const prUrl = context.payload.pull_request.html_url ?? context.payload.pull_request._links.html.href;
-            core.setOutput('pullRequestLink', JSON.stringify(prUrl));
-
-      - name: Send Slack Trigger
-        run: |
-          curl -X POST https://api-slack.internal.bcsdlab.com/api/pr-merged/backend \
-          -H 'Content-Type: application/json' \
-          -d '{
-                "pullRequestLink": ${{ steps.check_pr_merged.outputs.pullRequestLink }}
-              }'