푸시발송을 위해 @Transactional(readOnly = true) 추가

src/main/kotlin/kr/co/vividnext/sodalive/fcm/FcmController.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.fcm
 
 import org.springframework.context.ApplicationEventPublisher
 import org.springframework.security.access.prepost.PreAuthorize
+import org.springframework.transaction.annotation.Transactional
 import org.springframework.web.bind.annotation.PostMapping
 import org.springframework.web.bind.annotation.RequestBody
 import org.springframework.web.bind.annotation.RequestMapping
@@ -12,6 +13,7 @@ import org.springframework.web.bind.annotation.RestController
 @PreAuthorize("hasRole('ADMIN')")
 class FcmController(private val applicationEventPublisher: ApplicationEventPublisher) {
     @PostMapping
+    @Transactional(readOnly = true)
     fun send(
         @RequestBody request: PushRequest
     ) = run {