diff --git a/frontend/.env b/frontend/.env
index 2717bd56..2131aae2 100644
--- a/frontend/.env
+++ b/frontend/.env
@@ -1 +1 @@
-VITE_API_BASE_URL = "http://localhost:8080"
\ No newline at end of file
+VITE_API_BASE_URL = '/api'
\ No newline at end of file
diff --git a/frontend/src/api/apiClient.ts b/frontend/src/api/apiClient.ts
index 83090c44..6e488ac3 100644
--- a/frontend/src/api/apiClient.ts
+++ b/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,
 });
 
diff --git a/frontend/vite.config.ts b/frontend/vite.config.ts
index 1c97543f..9fe3fabb 100644
--- a/frontend/vite.config.ts
+++ b/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/, ''),
+      },
+    },
+  },
 })
diff --git a/src/main/kotlin/roomescape/common/config/CorsConfig.kt b/src/main/kotlin/roomescape/common/config/CorsConfig.kt
deleted file mode 100644
index dfc8c9cd..00000000
--- a/src/main/kotlin/roomescape/common/config/CorsConfig.kt
+++ /dev/null
@@ -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
-    }
-}
diff --git a/src/main/resources/application-deploy.yaml b/src/main/resources/application-deploy.yaml
index 27e92be5..6fc8619b 100644
--- a/src/main/resources/application-deploy.yaml
+++ b/src/main/resources/application-deploy.yaml
@@ -37,5 +37,3 @@ management:
     tracing:
       transport: ${OTLP_TRACING_PROTOCOL}
       endpoint: ${OTLP_TRACING_ENDPOINT}
-
-cors-origin: ${CORS_ORIGIN}
\ No newline at end of file
diff --git a/src/main/resources/application-local.yaml b/src/main/resources/application-local.yaml
index 37f62b36..3ed9a706 100644
--- a/src/main/resources/application-local.yaml
+++ b/src/main/resources/application-local.yaml
@@ -45,5 +45,3 @@ management:
   tracing:
     sampling:
       probability: 1
-
-cors-origin: "http://localhost:5173"
\ No newline at end of file