remove: CORS 설정 제거 및 프론트엔드 API 엔드포인트 수정

frontend/.env

@@ -1 +1 @@
-VITE_API_BASE_URL = "http://localhost:8080"
+VITE_API_BASE_URL = '/api'

frontend/src/api/apiClient.ts

@@ -1,7 +1,7 @@
 import axios, { type AxiosError, type AxiosRequestConfig, type Method } from 'axios';
 
 const apiClient = axios.create({
-    baseURL: import.meta.env.VITE_API_BASE_URL || 'http://localhost:8080',
+    baseURL: import.meta.env.VITE_API_BASE_URL || '/api',
     timeout: 10000,
 });
 

frontend/vite.config.ts

@@ -8,4 +8,19 @@ export default defineConfig({
       react(),
       tsconfigPaths(),
   ],
+  server: {
+    proxy: {
+      '/api': {
+        // 실제 백엔드 서버 주소로 전달
+        target: 'http://localhost:8080',
+
+        // Origin 헤더를 target의 Origin으로 변경 (CORS 에러 방지)
+        changeOrigin: true,
+
+        // Ingress의 rewrite-target과 동일한 역할.
+        // '/api/themes' -> '/themes'로 경로를 재작성하여 백엔드에 전달
+        rewrite: (path) => path.replace(/^\/api/, ''),
+      },
+    },
+  },
 })

src/main/kotlin/roomescape/common/config/CorsConfig.kt

@@ -1,21 +0,0 @@
-package roomescape.common.config
-
-import org.springframework.beans.factory.annotation.Value
-import org.springframework.context.annotation.Configuration
-import org.springframework.web.servlet.config.annotation.CorsRegistry
-import org.springframework.web.servlet.config.annotation.WebMvcConfigurer
-
-@Configuration
-class CorsConfig : WebMvcConfigurer {
-
-    @Value("\${cors-origin}")
-    private lateinit var origin: String
-
-    override fun addCorsMappings(registry: CorsRegistry) {
-        registry.addMapping("/**")
-            .allowedOrigins(origin)
-            .allowedMethods("GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS")
-            .allowedHeaders("Authorization", "Content-Type")
-            .maxAge(3600) // 1 hour
-    }
-}

src/main/resources/application-deploy.yaml

@@ -37,5 +37,3 @@ management:
     tracing:
       transport: ${OTLP_TRACING_PROTOCOL}
       endpoint: ${OTLP_TRACING_ENDPOINT}
-
-cors-origin: ${CORS_ORIGIN}

src/main/resources/application-local.yaml

@@ -45,5 +45,3 @@ management:
   tracing:
     sampling:
       probability: 1
-
-cors-origin: "http://localhost:5173"