add /api proxy

frontend/.env.example

@@ -1,2 +1,4 @@
 # API Configuration
-VITE_API_URL=http://localhost:8080
+# Leave empty to use proxy (recommended for local dev and production)
+# Or set full URL like http://localhost:8081 for direct API access
+VITE_API_URL=

frontend/nginx.conf

@@ -16,6 +16,19 @@ server {
         add_header Cache-Control "public, immutable";
     }
 
+    # Proxy API requests to backend
+    location /api/ {
+        proxy_pass http://backend:8080;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection 'upgrade';
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_cache_bypass $http_upgrade;
+    }
+
     # Handle client-side routing
     location / {
         try_files $uri $uri/ /index.html;

frontend/src/api/client.ts

@@ -1,4 +1,4 @@
-const API_BASE_URL = import.meta.env.VITE_API_URL || 'http://localhost:8080';
+const API_BASE_URL = import.meta.env.VITE_API_URL || '';
 
 // Request deduplication cache
 const pendingRequests = new Map<string, Promise<unknown>>();

frontend/vite.config.ts

@@ -27,5 +27,11 @@ export default defineConfig({
   ],
   server: {
     allowedHosts: ['delivery.loca.lt', '.loca.lt'],
+    proxy: {
+      '/api': {
+        target: 'http://localhost:8081',
+        changeOrigin: true,
+      },
+    },
   },
 })