diff --git a/.github/workflows/check_errors.yml b/.github/workflows/check_err.yml
similarity index 66%
rename from .github/workflows/check_errors.yml
rename to .github/workflows/check_err.yml
index 71506379..b4f63942 100644
--- a/.github/workflows/check_errors.yml
+++ b/.github/workflows/check_err.yml
@@ -1,15 +1,12 @@
 name: Check Errors
 
 on:
-  pull_request:
-    branches: [ "develop", "main" ]
   workflow_call:
 
 jobs:
   err_check:
     name: Check Errors
-    # runs-on: self-hosted
-    runs-on: ubuntu-latest
+    runs-on: self-hosted
 
     steps:
       - name: Checkout
@@ -17,10 +14,10 @@ jobs:
         with:
           fetch-depth: 1
 
-      - name: Set Node.js 16.x
-        uses: actions/setup-node@v3
+      - name: Set Node.js 18.18
+        uses: actions/setup-node@v4
         with:
-          node-version: 18.18
+            node-version: 18.18
   
       - name: Setup yarn
         run: npm install -g yarn
@@ -35,4 +32,4 @@ jobs:
         run: yarn lint
 
       - name: Check tsc-project
-        run: yarn tsc-project
+        run: yarn tsc-project
\ No newline at end of file
diff --git a/.github/workflows/cr.yml b/.github/workflows/cr.yml
index 743d5991..c142222f 100644
--- a/.github/workflows/cr.yml
+++ b/.github/workflows/cr.yml
@@ -15,7 +15,7 @@ permissions:
 
 jobs:
   code_review:
-    runs-on: ubuntu-latest
+    runs-on: self-hosted
     steps:
       - uses: anc95/ChatGPT-CodeReview@main
         env:
diff --git a/.github/workflows/front.yml b/.github/workflows/front.yml
index 290ed0b6..4b6a9934 100644
--- a/.github/workflows/front.yml
+++ b/.github/workflows/front.yml
@@ -1,23 +1,21 @@
-name: CI/CD nextjs
+name: Build Nextjs
 
 on:
-  push:
-    branches: [ "develop", "main" ]
-
-env:
-  ECR_URL: ${{ secrets.ECR_REPO_DEV_FRONT }}
-  ROLE_ARN: ${{ secrets.OIDC_ROLE }}
-  AWS_REGION: ${{ secrets.AWS_REGION }}
-  WEBHOOK_URL: ${{ secrets.WEBHOOK }}
+  workflow_call:
+    secrets:
+      ECR_REPO_DEV_FRONT:
+      OIDC_ROLE:
+      AWS_REGION:
+      WEBHOOK:
+      AWS_DEPLOY_APP_NAME: 
+      AWS_DEPLOY_GROUP: 
+      AWS_DEPLOY_CONFIG: 
 
 permissions:
   id-token: write
   contents: read
 
-jobs:    
-  call_err_check:
-    name: Call workflow Error Check
-    uses: ./.github/workflows/check_errors.yml
+jobs:
   build:
     name: To push ECR
     runs-on: self-hosted
@@ -31,11 +29,11 @@ jobs:
         run: docker build -t catcher-web .
         
       - name: Configure AWS Credentials
-        uses: aws-actions/configure-aws-credentials@v1
+        uses: aws-actions/configure-aws-credentials@v4
         with:
-          aws-region: ${{ env.AWS_REGION }}
+          aws-region: ${{ secrets.AWS_REGION }}
           role-session-name: GitHubActions
-          role-to-assume: ${{ env.ROLE_ARN }}
+          role-to-assume: ${{ secrets.OIDC_ROLE }}
 
       - name: Login to Amazon ECR
         id: login-ecr
@@ -45,7 +43,7 @@ jobs:
         run: |
           # ECR Front 레포의 기존 이미지 조회
           aws ecr describe-images \
-          --repository-name ${{ secrets.AWS_FRONT_ECR_NAME }} \
+          --repository-name ${{ secrets.ECR_REPO_DEV_FRONT }} \
           --region ${{ secrets.AWS_REGION }} \
           --output yaml | grep imageDigest | awk -F ' ' '{print $2}' > ./delete_list.txt
 
@@ -53,15 +51,15 @@ jobs:
           for front_image in `cat ./delete_list.txt`
           do
           aws ecr batch-delete-image \
-              --repository-name ${{ secrets.AWS_FRONT_ECR_NAME }} \
+              --repository-name ${{ secrets.ECR_REPO_DEV_FRONT }} \
               --image-ids imageDigest=$front_image \
               --output yaml > /dev/null
           done
 
       - name: Publish Image to ECR(CATCHER-WEB)
         run: |
-          docker tag catcher-web:latest ${{ env.ECR_URL }}:${{ github.sha }}
-          docker push ${{ env.ECR_URL }}:${{ github.sha }}
+          docker tag catcher-web:latest ${{ secrets.ECR_REPO_DEV_FRONT }}:${{ github.sha }}
+          docker push ${{ secrets.ECR_REPO_DEV_FRONT }}:${{ github.sha }}
 
       - name: Deploy to Frontend Instance from ECR Image
         run: |
@@ -79,4 +77,4 @@ jobs:
           else
             MESSAGE="❌ ${{ job.status }} 프론트 배포 실패 : catcher-web - by ${{ github.actor }}"
           fi
-          curl -X POST -H "Content-Type: application/json" --data "{\"text\":\"${MESSAGE}\"}" ${{ env.WEBHOOK_URL }}
\ No newline at end of file
+          curl -X POST -H "Content-Type: application/json" --data "{\"text\":\"${MESSAGE}\"}" ${{ secrets.WEBHOOK }}
\ No newline at end of file
diff --git a/.github/workflows/on_pr.yml b/.github/workflows/on_pr.yml
new file mode 100644
index 00000000..e6eb4cf3
--- /dev/null
+++ b/.github/workflows/on_pr.yml
@@ -0,0 +1,46 @@
+name: ON PR/Merge - Check Errors | Build
+
+on:
+  pull_request:
+    branches: [ "develop", "main" ]
+    types: [ "opened", "closed" ]
+  push:
+    branches: [ "develop", "main" ]
+
+jobs:
+  merged:
+    if: ${{ github.event_name == 'pull_request' && github.event.action == 'closed' && github.event.pull_request.merged == true }}
+    name: Build Nextjs
+    uses: ./.github/workflows/front.yml
+    secrets:
+      ECR_REPO_DEV_FRONT: ${{ secrets.ECR_REPO_DEV_FRONT }}
+      OIDC_ROLE: ${{ secrets.OIDC_ROLE }}
+      AWS_REGION: ${{ secrets.AWS_REGION }}
+      WEBHOOK: ${{ secrets.WEBHOOK }}
+      AWS_DEPLOY_APP_NAME: ${{ secrets.AWS_DEPLOY_APP_NAME }}
+      AWS_DEPLOY_GROUP: ${{ secrets.AWS_DEPLOY_GROUP }}
+      AWS_DEPLOY_CONFIG: ${{ secrets.AWS_DEPLOY_CONFIG }}
+
+  pr:
+    if: ${{ github.event.pull_request.merged == false && github.event != 'push'}}
+    name: Error Check
+    uses: ./.github/workflows/check_err.yml
+
+  pushed-1:
+    if: ${{ github.event.pull_request.merged == false && github.event == 'push'}}
+    name: Error Check
+    uses: ./.github/workflows/check_err.yml
+
+  pushed-2:
+    if: ${{ github.event.pull_request.merged == false && github.event == 'push'}}
+    name: Build Nextjs
+    uses: ./.github/workflows/front.yml
+    secrets:
+      ECR_REPO_DEV_FRONT: ${{ secrets.ECR_REPO_DEV_FRONT }}
+      OIDC_ROLE: ${{ secrets.OIDC_ROLE }}
+      AWS_REGION: ${{ secrets.AWS_REGION }}
+      WEBHOOK: ${{ secrets.WEBHOOK }}
+      AWS_DEPLOY_APP_NAME: ${{ secrets.AWS_DEPLOY_APP_NAME }}
+      AWS_DEPLOY_GROUP: ${{ secrets.AWS_DEPLOY_GROUP }}
+      AWS_DEPLOY_CONFIG: ${{ secrets.AWS_DEPLOY_CONFIG }}
+    needs: pushed-1
\ No newline at end of file