diff --git a/.github/workflows/cd-dev.yml b/.github/workflows/cd-dev.yml
index 721414b..448fc6c 100644
--- a/.github/workflows/cd-dev.yml
+++ b/.github/workflows/cd-dev.yml
@@ -2,9 +2,8 @@ name: CD - Deploy to Production Server
 
 on:
   push:
-    branches: [ "dev" ]  # main 브랜치 푸시 시 실행
+    branches: [ "dev" ]  # dev 브랜치에 푸시 시 실행
 
-# flow에서 사용할 변수
 env:
   AWS_REGION: ap-northeast-2
   S3_BUCKET_NAME: meerket-bucket
@@ -13,7 +12,6 @@ env:
 
 permissions: write-all
 
-#여기서부터 build job
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -24,38 +22,35 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      # 2) JDK 17 셋팅
+      # 2) JDK 17 설정
       - name: Set up JDK 17
         uses: actions/setup-java@v4
         with:
           java-version: '17'
           distribution: 'temurin'
           
-      # 2.5) secret설정한 env 등록
+      # 3) .env 파일 생성
       - name: Create .env file from Secret
         run: |
-          echo "${{ secrets.ENV_PROD}}" | base64 --decode > .env
-      # # 4) gradle 테스트 빌드
-      # - name: Build Test with Gradle
-      #   run: ./gradlew test -i
-      #   # run: ./gradlew clean build -i
-      #   # working-directory: ${{ env.working-directory }}
+          echo "${{ secrets.ENV_PROD }}" | base64 --decode > ./meerket/.env
 
-      # 3) gradlew 권한 설정
+      # 4) Firebase JSON 키 생성
+      - name: Create Firebase JSON Key
+        uses: jsdaniell/create-json@v1.2.2
+        with:
+          name: "meerket-83e38-firebase-adminsdk-gyt9i-d2df62fdf4.json"
+          json: ${{ secrets.FIREBASE_SERVICE_KEY }}
+          dir: './meerket/meerket-application/src/main/resources'
+
+      # 5) gradlew 실행 권한 설정
       - name: Grant execute permission for gradlew
-        run: chmod +x ./meerket/gradlew  # gradlew에 실행 권한 부여
-        
+        run: chmod +x ./meerket/gradlew
 
+      # 6) Gradle 빌드
       - name: Build with Gradle
         working-directory: ./meerket
         run: |
-          echo "Setting execute permission for gradlew"
-          chmod +x ./gradlew
-      
-          echo "Cleaning and building the project"
           ./gradlew clean build -x test --no-daemon --info
-      
-          echo "Verifying JAR file generation..."
           if [ -f ./meerket-application/build/libs/meerket-application-0.0.1.jar ]; then
             echo "JAR file generated successfully!"
           else
@@ -63,55 +58,18 @@ jobs:
             exit 1
           fi
 
-
-
-  
-  # 여기서부터 배포 job
   deploy:
-    name: deploy
+    name: Deploy
     runs-on: ubuntu-latest
     environment: production
-    needs: [ build ] # test와 build 작업이 성공적으로 완료된 경우에만 실행
+    needs: [ build ] # build 작업 완료 후 실행
 
     steps:
       # 1) 기본 체크아웃
       - name: Checkout
         uses: actions/checkout@v3
 
-      # 2) JDK 17 셋팅
-      - name: Set up JDK 17
-        uses: actions/setup-java@v3
-        with:
-          java-version: '17'
-          distribution: 'temurin'
-
-      # 2.5) secret설정한 env 등록
-      - name: Create .env file from Secret
-        run: |
-          echo "${{ secrets.ENV_PROD }}" | base64 --decode > .env
-      # 2.5) secret 설정한 firesbase json key 등록
-
-      - name: create-json
-        uses: jsdaniell/create-json@v1.2.2
-        with:
-          name: "meerket-83e38-firebase-adminsdk-gyt9i-d2df62fdf4.json"
-          json: ${{secrets.FIREBASE_SERVICE_KEY }}
-          dir: './meerket/meerket-application/src/main/resources'
-
-      # 3) gradlew 권한 설정
-      - name: Grant execute permission for gradlew
-        run: chmod +x ./meerket/gradlew  # gradlew에 실행 권한 부여
-
-      # 4) gradle 테스트 빌드
-      - name: Build with Gradle
-        working-directory: ./meerket
-        run: ./gradlew clean build -x test
-        # run: ./gradlew clean build -i
-        # working-directory: ${{ env.working-directory }}
-
-
-      
-      # AWS 인증
+      # 2) AWS 인증 설정
       - name: Configure AWS credentials
         uses: aws-actions/configure-aws-credentials@v1
         with:
@@ -119,10 +77,10 @@ jobs:
           aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY_DEV }}
           aws-region: ${{ env.AWS_REGION }}
 
-      # AWS S3에 업로드
+      # 3) S3에 프로젝트 업로드
       - name: Upload to AWS S3
         run: |
-          cd meerket 
+          cd meerket
           aws deploy push \
             --application-name ${{ env.CODE_DEPLOY_APPLICATION_NAME }} \
             --ignore-hidden-files \
@@ -130,7 +88,8 @@ jobs:
             --source .
           echo "S3 Upload completed. Verifying contents in S3..."
           aws s3 ls s3://meerket-bucket/
-      # AWS EC2에 Deploy
+
+      # 4) EC2에 배포
       - name: Deploy to AWS EC2 from S3
         run: |
           aws deploy create-deployment \