From 52e24c7f17c413709e3489be7a232cdfd69cbff7 Mon Sep 17 00:00:00 2001
From: hissin <i@hissin.net>
Date: Thu, 20 Nov 2025 15:12:57 +0800
Subject: [PATCH] feat: Configure Vite proxy for API requests and update API
 URL to use a relative path.

---
 frontend/src/api.js     | 4 +++-
 frontend/vite.config.js | 9 +++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/frontend/src/api.js b/frontend/src/api.js
index 18992f1..9d38c8f 100644
--- a/frontend/src/api.js
+++ b/frontend/src/api.js
@@ -1,6 +1,8 @@
 import axios from 'axios';
 
-const API_URL = 'http://localhost:8000';
+// Use relative path '/api' which works with Nginx proxy in Docker
+// and Vite proxy in local development
+const API_URL = '/api';
 
 export const generateCase = async (size, minVal, maxVal) => {
     const response = await axios.post(`${API_URL}/max_subarray/generate`, {
diff --git a/frontend/vite.config.js b/frontend/vite.config.js
index 5a33944..34a09f8 100644
--- a/frontend/vite.config.js
+++ b/frontend/vite.config.js
@@ -4,4 +4,13 @@ import react from '@vitejs/plugin-react'
 // https://vitejs.dev/config/
 export default defineConfig({
   plugins: [react()],
+  server: {
+    proxy: {
+      '/api': {
+        target: 'http://localhost:8000',
+        changeOrigin: true,
+        rewrite: (path) => path.replace(/^\/api/, '')
+      }
+    }
+  }
 })