diff --git a/.github/workflows/deploy-develop.yml b/.github/workflows/deploy-develop.yml
deleted file mode 100644
index 5549af8..0000000
--- a/.github/workflows/deploy-develop.yml
+++ /dev/null
@@ -1,26 +0,0 @@
-name: Deploy to Staging
-
-on:
-  push:
-    branches:
-      - develop
-
-jobs:
-  deploy:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout Repository
-        uses: actions/checkout@v3
-
-      - name: Install Dependencies
-        run: |
-          npm ci
-          npm run build
-
-      - name: Deploy to Amplify (Staging)
-        env:
-          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
-          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
-        run: |
-          npx amplify-cli publish --yes --branch develop
diff --git a/.github/workflows/deploy-main.yml b/.github/workflows/deploy-main.yml
deleted file mode 100644
index a8453cd..0000000
--- a/.github/workflows/deploy-main.yml
+++ /dev/null
@@ -1,26 +0,0 @@
-name: Deploy to Production
-
-on:
-  push:
-    branches:
-      - main
-
-jobs:
-  deploy:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout Repository
-        uses: actions/checkout@v3
-
-      - name: Install Dependencies
-        run: |
-          npm ci
-          npm run build
-
-      - name: Deploy to Amplify (Production)
-        env:
-          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
-          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
-        run: |
-          npx amplify-cli publish --yes --branch main
diff --git a/.tmp/delete-preview.text b/.tmp/delete-preview.text
new file mode 100644
index 0000000..5586146
--- /dev/null
+++ b/.tmp/delete-preview.text
@@ -0,0 +1,25 @@
+name: Delete Preview on PR Close
+
+on:
+  pull_request:
+    types:
+      - closed # PR이 병합되거나 닫혔을 때 실행
+
+jobs:
+  delete-preview:
+    runs-on: ubuntu-latest
+
+    steps:
+      # 1. AWS CLI 설정
+      - name: Configure AWS Credentials
+        uses: aws-actions/configure-aws-credentials@v2
+        with:
+          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          aws-region: ap-northeast-2 # 원하는 AWS 리전
+
+      # 2. S3에서 PR 관련 파일 삭제
+      - name: Delete Preview Files from S3
+        run: |
+          PR_NUMBER=${{ github.event.pull_request.number }}
+          aws s3 rm s3://your-preview-bucket/pr-${PR_NUMBER} --recursive
diff --git a/.tmp/preview-deploy.text b/.tmp/preview-deploy.text
new file mode 100644
index 0000000..c4530c4
--- /dev/null
+++ b/.tmp/preview-deploy.text
@@ -0,0 +1,49 @@
+name: Deploy Preview for PRs
+
+on:
+  pull_request:
+    branches:
+      - main
+      - develop
+
+jobs:
+  deploy-preview:
+    runs-on: ubuntu-latest
+
+    steps:
+      # 1. 코드 체크아웃
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      # 2. AWS 인증 정보 설정
+      - name: Configure AWS credentials
+        uses: aws-actions/configure-aws-credentials@v2
+        with:
+          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          aws-region: ap-northeast-2
+
+      # 3. 의존성 설치
+      - name: Install dependencies
+        run: yarn install
+
+      # 4. 빌드 실행
+      - name: Build application
+        run: yarn build
+
+      # 5. S3에 미리보기 배포
+      - name: Deploy to S3
+        run: |
+          aws s3 sync ./dist s3://your-preview-bucket/pr-${{ github.event.number }} --acl public-read --delete
+
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      # 2. PR에 코멘트 추가
+      - name: Add comment to PR
+        run: |
+          PREVIEW_URL="https://davinci-preview-bucket.s3.ap-northeast-2.amazonaws.com/pr-${{ github.event.number }}/"
+          curl -H "Authorization: token ${{ secrets.MY_PAT }}" \
+               -H "Content-Type: application/json" \
+               -d "{\"body\": \"Preview available at: $PREVIEW_URL\"}" \
+               "https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/comments"
diff --git a/tmpdeploy.text b/.tmp/tmpdeploy.text
similarity index 100%
rename from tmpdeploy.text
rename to .tmp/tmpdeploy.text
diff --git a/src/App.tsx b/src/App.tsx
index e9f490b..dbac9a1 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -9,7 +9,6 @@ function App() {
       <GlobalStyles />
       <Header />
       <Outlet />
-
       <Footer />
     </>
   );
diff --git a/vite.config.ts b/vite.config.ts
index 4632d59..2cdc337 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -1,12 +1,11 @@
 import { defineConfig } from "vite";
 import react from "@vitejs/plugin-react";
 
-export default defineConfig(({ mode }) => ({
-  plugins: [react()],
-  define: {
-    "process.env": process.env,
-  },
-  build: {
-    outDir: mode === "production" ? "build" : "staging",
-  },
-}));
+// https://vite.dev/config/
+export default defineConfig({
+  plugins: [
+    react({
+      jsxImportSource: "react", // React 자동 import 비활성화
+    }),
+  ],
+});