diff --git a/.github/workflows/cr.yml b/.github/workflows/cr.yml
index d0489fa6..342197a6 100644
--- a/.github/workflows/cr.yml
+++ b/.github/workflows/cr.yml
@@ -5,25 +5,30 @@ permissions:
   pull-requests: write
 
 env:
-  webhook_url: ${{ secrets.WEBHOOK }}
+  WEBHOOK_URL: ${{ secrets.WEBHOOK }}
+  OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
 
 on:
   pull_request:
     types: [opened, reopened, synchronize]
 
 jobs:
-  test:
+  code_review:
     runs-on: ubuntu-latest
     steps:
       - uses: anc95/ChatGPT-CodeReview@main
         env:
           MODEL: gpt-3.5-turbo
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
+          OPENAI_API_KEY: ${{ env.OPENAI_API_KEY }}
           LANGUAGE: Korean
-      
-      - name: notification to swit
-        uses: roharon/action-swit@v1
-        with:
-          webhooks_url: ${{ env.webhook_url }}
-          MESSAGE: "🏷 ${{ job.status }} 백엔드 OpenAI 코드 리뷰 : Core-service - by ${{ github.actor }}"
\ No newline at end of file
+
+      - name: Send Notification
+        if: ${{ always() }}
+        run: |
+          if [[ ${{ job.status }} == "success" ]]; then
+            MESSAGE="✅ ${{ job.status }} 백엔드 OpenAI 코드 리뷰 성공: core-service - by ${{ github.actor }}"
+          else
+            MESSAGE="❌ ${{ job.status }} 백엔드 OpenAI 코드 리뷰 실패: core-service - by ${{ github.actor }}"
+          fi
+          curl -X POST -H "Content-Type: application/json" --data "{\"text\":\"${MESSAGE}\"}" ${{ env.WEBHOOK_URL }}
\ No newline at end of file
diff --git a/.github/workflows/dp.yml b/.github/workflows/dp.yml
new file mode 100644
index 00000000..ee0cf3db
--- /dev/null
+++ b/.github/workflows/dp.yml
@@ -0,0 +1,98 @@
+name: Deploy to Kubernetes
+
+on:
+  workflow_run:
+    workflows: ["Java CI with Gradle"]
+    branches: [main]
+    types:
+      - completed
+
+  push:
+    branches:
+      - kustomize
+
+env:
+  AWS_REGION: ${{ secrets.AWS_REGION }}
+  EKS_CLUSTER_NAME: ${{ secrets.EKS_CLUSTER_NAME }}
+  OIDC_ROLE_ARN: ${{ secrets.OIDC_ROLE }}
+  WEBHOOK_URL: ${{ secrets.WEBHOOK }}
+  DEPLOY_ENV: ${{ github.ref == 'refs/heads/main' && 'PROD' || 'DEV' }}
+  GITHUB_TOKEN: ${{ secrets.GIT_TOKEN }}
+
+permissions:
+  contents: write
+  id-token: write
+
+jobs:
+  kustomize_upadte:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v3
+
+    - name: Configure AWS Credentials
+      uses: aws-actions/configure-aws-credentials@v1
+      with:
+        aws-region: ${{ env.AWS_REGION }}
+        role-session-name: GitHubActions
+        role-to-assume: ${{ env.OIDC_ROLE_ARN }}
+
+    - name: Login to Amazon ECR
+      id: login-ecr
+      uses: aws-actions/amazon-ecr-login@v1
+
+      # kustomize 명령을 가져온다.
+    - name: Setup Kustomize
+      uses: imranismail/setup-kustomize@v1
+
+    - name: Checkout for Kustomize repository
+      uses: actions/checkout@v2
+      with:
+        repository: Project-Catcher/core-service-kusto
+        ref: main
+        token: ${{ env.GITHUB_TOKEN }}
+        path: core-service-kusto
+
+    - name: Update Kustomize image
+      run: |
+        if [ "${{ env.DEPLOY_ENV }}" == "PROD" ]; then
+          KUSTOMIZE_PATH="core-service-kusto/overlays/production"
+          FILE_NAME="production-patch.yaml"
+        else
+          KUSTOMIZE_PATH="core-service-kusto/overlays/development"
+          FILE_NAME="deployment-patch.yaml"
+        fi
+
+        # Docker 이미지 URL 설정
+        cd $KUSTOMIZE_PATH
+        kustomize edit set image core-service="${{ steps.login-ecr.outputs.registry }}/catcher-dev-ecr-back-core:${{ github.sha }}"
+        cat kustomization.yaml
+
+    - name: Check for changes
+      id: git-check
+      run: |
+        cd core-service-kusto
+        git status
+        git diff-index --quiet HEAD || echo "::set-output name=changes_exist::true"
+
+    # 수정된 파일 commit & push
+    - name: Commit manifest files
+      if: steps.git-check.outputs.changes_exist == 'true'
+      run: |
+        cd core-service-kusto
+        git config --global user.email "github-actions@github.com"
+        git config --global user.name "github-actions"
+        git commit -am "Update image tag"
+        git push -u origin main
+        
+    - name: Send Notification
+      if: ${{ always() }}
+      run: |
+        if [[ '${{ steps.git-check.outputs.changes_exist }}' == 'true' && ${{ job.status }} == 'success' ]]; then
+          MESSAGE="✅ ${{ job.status }} Kustomize Update 성공: core-service-kusto - by ${{ github.actor }}"
+        elif [[ '${{ steps.git-check.outputs.changes_exist }}' != 'true' && ${{ job.status }} == 'success' ]]; then
+          MESSAGE="ℹ️ ${{ job.status }} Kustomize : 수정 사항 없음 - core-service-kusto - by ${{ github.actor }}"
+        else
+          MESSAGE="❌ ${{ job.status }} Kustomize Update 실패: core-service-kusto - by ${{ github.actor }}"
+        fi
+        curl -X POST -H "Content-Type: application/json" --data "{\"text\":\"${MESSAGE}\"}" ${{ env.WEBHOOK_URL }}
\ No newline at end of file
diff --git a/.github/workflows/ecr.yml b/.github/workflows/ecr.yml
index 5622864a..1f193736 100644
--- a/.github/workflows/ecr.yml
+++ b/.github/workflows/ecr.yml
@@ -5,26 +5,29 @@ on:
     branches: [ "main" ]
 
 env:
+  ECR_URL: ${{ secrets.ECR_REPO_DEV }}
+  ROLE_ARN: ${{ secrets.OIDC_ROLE }}
   AWS_REGION: ${{ secrets.AWS_REGION }}
-  OIDC_ROLE_ARN: ${{ secrets.OIDC_ROLE }}
-  DEPLOY_ENV: ${{ github.ref == 'refs/heads/main' && 'PROD' || 'DEV' }}
-  GITHUB_TOKEN: ${{ secrets.GIT_TOKEN }}
-  ECR_URL: ${{ secrets.AWS_ECR_DEV_CORE }}
-  webhook_url: ${{ secrets.WEBHOOK }}
+  WEBHOOK_URL: ${{ secrets.WEBHOOK }}
 
 permissions:
   id-token: write
-  contents: write
+  contents: read
       
 jobs:
   build:
     name: Build
-    # runs-on: self-hosted
     runs-on: ubuntu-latest
 
+    permissions:
+      id-token: write   # This is required for requesting the JWT
+      contents: read    # This is required for actions/checkout
+
     steps:
       - name: Checkout
         uses: actions/checkout@v3
+        with:
+          fetch-depth: 1
 
       - name: Set up JDK 17
         uses: actions/setup-java@v3
@@ -47,52 +50,25 @@ jobs:
         with:
           aws-region: ${{ env.AWS_REGION }}
           role-session-name: GitHubActions
-          role-to-assume: ${{ env.OIDC_ROLE_ARN }}
+          role-to-assume: ${{ env.ROLE_ARN }}
 
       - name: Login to Amazon ECR
         id: login-ecr
         uses: aws-actions/amazon-ecr-login@v1
 
-      - name: Publish Image to ECR(CORE-SERVICE)
+      - name: Publish Image to ECR(core-SERVICE)
         run: |
-          docker tag core-service:latest ${{ env.ECR_URL }}:${{ github.sha }}
-          docker push ${{ env.ECR_URL }}:${{ github.sha }}
-
-      - name: notification to swit
-        uses: roharon/action-swit@v1
-        with:
-          webhooks_url: ${{ env.webhook_url }}
-          MESSAGE: "🏷 ${{ job.status }} 백엔드 ECR 도커파일 업로드 : Core-service - by ${{ github.actor }}"
+          docker tag core-service:latest ${{ env.ECR_URL }}:core-service
+          docker push ${{ env.ECR_URL }}:core-service
 
-      - name: Setup Kustomize
-        uses: imranismail/setup-kustomize@v1
-
-      - name: Checkout for Kustomize repository
-        uses: actions/checkout@v2
-        with:
-          repository: Project-Catcher/core-service-kusto
-          ref: main
-          token: ${{ env.GITHUB_TOKEN }}
-          path: core-service-kusto
-
-      - name: Update Kustomize image
+      - name: Send Notification
+        if: ${{ always() }}
         run: |
-          # PRD/DEV 브랜치 분리되어있지 않으므로 추후 업데이트 예정
-          # if [ "${{ env.DEPLOY_ENV }}" == "PROD" ]; then
-          #   KUSTOMIZE_PATH="core-service-kusto/overlays/prd"
-          # else
-          #   KUSTOMIZE_PATH="core-service-kusto/overlays/dev"
-          # fi
+          if [[ ${{ job.status }} == "success" ]]; then
+            MESSAGE="✅ ${{ job.status }} 백엔드 ECR 도커파일 업로드 성공: core-service - by ${{ github.actor }}"
+          else
+            MESSAGE="❌ ${{ job.status }} 백엔드 ECR 도커파일 업로드 실패: core-service - by ${{ github.actor }}"
+          fi
+          curl -X POST -H "Content-Type: application/json" --data "{\"text\":\"${MESSAGE}\"}" ${{ env.WEBHOOK_URL }}
 
-          KUSTOMIZE_PATH="core-service-kusto/overlays/dev"
-          cd $KUSTOMIZE_PATH
-          kustomize edit set image core-svc-image="${{ env.ECR_URL }}:${{ github.sha }}"
-          kustomize build .
-          
-      - name: Commit minifest files
-        run: |
-          cd core-service-kusto
-          git config --global user.email "github-actions@github.com"
-          git config --global user.name "github-actions"
-          git commit -am "Update image tag"
-          git push -u origin main
+    
\ No newline at end of file
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index aa0b1127..435b9cf3 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -3,20 +3,19 @@ name: CI Test
 on:
   pull_request:
     branches: [ main ]
+    types: [opened, synchronize, reopened]
 
 env:
-  ecr_url: ${{ secrets.ECR_REPO_DEV }}
-  role_arn: ${{ secrets.OIDC_ROLE }}
-  aws_region: ${{ secrets.AWS_REGION }}
-  aws_access_key: ${{ secrets.AWS_ACCESS_KEY_ID }}
-  aws_secret_key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
-  default_output: ${{ secrets.AWS_DEFAULT_OUTPUT }}
-  webhook_url: ${{ secrets.WEBHOOK }}
+  AWS_REGION: ${{ secrets.AWS_REGION }}
+  AWS_ACCESS_KEY: ${{ secrets.AWS_ACCESS_KEY_ID }}
+  AWS_SECRET_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+  DEFAULT_OUTPUT: ${{ secrets.AWS_DEFAULT_OUTPUT }}
+  WEBHOOK_URL: ${{ secrets.WEBHOOK }}
 
 permissions: write-all
 
 jobs:
-  build:
+  test_pr:
     name: Build and Test
     runs-on: ubuntu-latest
       
@@ -31,10 +30,10 @@ jobs:
 
       - name: Configure AWS credentials
         run: |
-          aws configure set aws_access_key_id ${{ env.aws_access_key }}
-          aws configure set aws_secret_access_key ${{ env.aws_secret_key }}
-          aws configure set default.region ${{ env.aws_region }}
-          aws configure set default.output ${{ env.default_output }}
+          aws configure set aws_access_key_id ${{ env.AWS_ACCESS_KEY }}
+          aws configure set aws_secret_access_key ${{ env.AWS_SECRET_KEY }}
+          aws configure set default.region ${{ env.AWS_REGION }}
+          aws configure set default.output ${{ env.DEFAULT_OUTPUT }}
 
       - name: Set up JDK 17
         uses: actions/setup-java@v3
@@ -55,8 +54,12 @@ jobs:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           files: build/test-results/**/*.xml
 
-      - name: notification to swit
-        uses: roharon/action-swit@v1
-        with:
-          webhooks_url: ${{ env.webhook_url }}
-          MESSAGE: "🏷 ${{ job.status }} 백엔드 Unit Test : Core-service - by ${{ github.actor }}"
\ No newline at end of file
+      - name: Send Notification
+        if: ${{ always() }}
+        run: |
+          if [[ ${{ job.status }} == "success" ]]; then
+            MESSAGE="✅ ${{ job.status }} 백엔드 Unit Test 성공: core-service - by ${{ github.actor }}"
+          else
+            MESSAGE="❌ ${{ job.status }} 백엔드 Unit Test 실패: core-service - by ${{ github.actor }}"
+          fi
+          curl -X POST -H "Content-Type: application/json" --data "{\"text\":\"${MESSAGE}\"}" ${{ env.WEBHOOK_URL }}
\ No newline at end of file