fix(deploy-prod.yml) : env 코드 수정

Author: 조성진

.github/workflows/deploy-prod.yml

@@ -52,10 +52,8 @@ jobs:
             git pull origin main
 
             echo ".env 파일 생성"
-            cat <<EOT > .env
-            NEXT_PUBLIC_API_BASE_URL=${{ secrets.NEXT_PUBLIC_API_PROD_BASE_URL }}
-            NEXT_PUBLIC_GTM_ID=${{ secrets.NEXT_PUBLIC_GTM_ID }}
-            EOT
+            echo 'NEXT_PUBLIC_API_BASE_URL=${{ secrets.NEXT_PUBLIC_API_PROD_BASE_URL }}' > .env
+            echo 'NEXT_PUBLIC_GTM_ID=${{ secrets.NEXT_PUBLIC_GTM_ID }}'' >> .env
 
             echo "도커 컴포즈 재시작"
             sudo docker stop study-platform-client-prod-frontend-1