[CI/CD] dev-build-and-deploy.yaml ddl-auto 옵션 validate로 변경 (#75)

* feat: dev-build-and-deploy.yaml ddl-auto 옵션 validate로 변경

* feat: dev-build-and-deploy.yaml 트리거 주석 삭제

.github/workflows/dev-build-and-deploy.yaml

@@ -72,7 +72,7 @@ jobs:
 
   deploy:
       needs: build-and-test
-#      if: (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/dev') && github.event_name == 'push'
+      if: (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/dev') && github.event_name == 'push'
       runs-on: ubuntu-latest
 
       steps:
@@ -115,6 +115,7 @@ jobs:
                       -e OAUTH_CLIENTID=${{ secrets.KAKAO_CLIENT_ID }} \
                       -e OAUTH_KAUTHTOKENURLHOST=${{ secrets.KAUTH_TOKEN_URL_HOST }} \
                       -e OAUTH_KAUTHUSERURLHOST=${{ secrets.KAUTH_USER_URL_HOST }} \
+                      -e SPRING_JPA_HIBERNATE_DDL_AUTO=validate \
                       -e NCP_OBJECT_STORAGE_ACCESS_KEY=${{ secrets.NCP_OBJECT_STORAGE_ACCESS_KEY }} \
                       -e NCP_OBJECT_STORAGE_SECRET_KEY=${{ secrets.NCP_OBJECT_STORAGE_SECRET_KEY }} \
                       -e TZ=Asia/Seoul \