fix: Payverse Webhook 엔드포인트에서 실제 클라이언트 IP를 가져올 수 있도록 수정

src/main/kotlin/kr/co/vividnext/sodalive/can/charge/ChargeController.kt

@@ -59,7 +59,12 @@ class ChargeController(
         @RequestBody request: PayverseWebhookRequest,
         servletRequest: HttpServletRequest
     ): PayverseWebhookResponse {
-        val remoteIp = servletRequest.remoteAddr ?: ""
+        val header = servletRequest.getHeader("X-Forwarded-For")
+        val remoteIp = if (header.isNullOrEmpty()) {
+            servletRequest.remoteAddr
+        } else {
+            header.split(",")[0].trim() // 첫 번째 값이 클라이언트 IP
+        }
 
         print("Payverse Webhook Request: $remoteIp")
         print("Payverse Webhook Request: $payverseInboundIp")

src/main/resources/application.yml

@@ -1,6 +1,7 @@
 server:
     shutdown: graceful
     env: ${SERVER_ENV}
+    forward-headers-strategy: framework
 
 logging:
     level: