diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 41a0dfd..3814fe5 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -1,45 +1,56 @@
-name: rhkr8521 CI
+name: rhkr8521 - CI
 
 on:
   push:
     branches: [ "develop" ]
+  pull_request:
+    branches: [ "develop" ]
 
-jobs:
-  build:
-    runs-on: ubuntu-22.04 
+permissions:
+  contents: read
 
-    steps: 
-    - name: checkout
+jobs:
+  # Spring Boot application build and Docker image push process
+  build-docker-image:
+    runs-on: ubuntu-22.04
+    
+    steps:
+    - name: Checkout
       uses: actions/checkout@v3
-
+    
+    # 1. Set up JDK 17
     - name: Set up JDK 17
       uses: actions/setup-java@v3
       with:
-        distribution: 'corretto'
         java-version: '17'
-
-    - name: create application.yml
+        distribution: 'corretto'
+    
+    # 2. Create application.yml file
+    - name: Create application.yml
       run: |
-        ## create application.yml
         mkdir -p ./ChargeControlBackend/src/main/resources
-        echo "${{ secrets.CI_APPLICATION }}" > ./ChargeControlBackend/src/main/resources/application.yml
-
-    - name: build
+        echo "${{ secrets.APPLICATION_YML }}" > ./ChargeControlBackend/src/main/resources/application.yml
+        cat ./ChargeControlBackend/src/main/resources/application.yml
+      shell: bash
+    
+    # 3. Build Spring Boot application
+    - name: Build with Gradle
       run: |
         chmod +x ./ChargeControlBackend/gradlew
-        ./ChargeControlBackend/gradlew build --project-dir ./ChargeControlBackend -x test
+        ./ChargeControlBackend/gradlew clean bootJar --project-dir ./ChargeControlBackend
       shell: bash
-
-    - name: docker image build
-      run: docker build -t ${{ secrets.DOCKERHUB_USERNAME }}/chargecontrol_backend .
-      # Dockerfile과 빌드 컨텍스트가 모두 루트 디렉토리에 있도록 설정
-      working-directory: ./
-
-    - name: docker login
+    
+    # 4. Build Docker image
+    - name: Docker image build
+      run: docker build -t ${{ secrets.DOCKERHUB_USERNAME }}/chargecontrol_backend ./ChargeControlBackend
+    
+    # 5. DockerHub login
+    - name: Docker login
       uses: docker/login-action@v2
       with:
         username: ${{ secrets.DOCKERHUB_USERNAME }}
         password: ${{ secrets.DOCKERHUB_PASSWORD }}
-
-    - name: docker Hub push
+    
+    # 6. Push Docker image to DockerHub
+    - name: Docker Hub push
       run: docker push ${{ secrets.DOCKERHUB_USERNAME }}/chargecontrol_backend