feat: add environment configuration files and update API base URL handling for production

src/lib/api/client.ts

@@ -12,7 +12,15 @@ export class BaseApiClient implements ApiClient {
   }
 
   private buildURL(endpoint: string, params?: Record<string, string | number | boolean | undefined>): string {
-    const url = new URL(endpoint, this.baseURL)
+    let url: URL
+    
+    if (this.baseURL) {
+      // Full base URL provided
+      url = new URL(endpoint, this.baseURL)
+    } else {
+      // Use relative URL (for reverse proxy)
+      url = new URL(endpoint, window.location.origin)
+    }
     
     if (params) {
       Object.entries(params).forEach(([key, value]) => {
@@ -22,7 +30,7 @@ export class BaseApiClient implements ApiClient {
       })
     }
     
-    return url.toString()
+    return this.baseURL ? url.toString() : url.pathname + url.search
   }
 
   private async request<T>(

src/lib/api/config.ts

@@ -1,6 +1,19 @@
 // API Configuration
+const getApiBaseUrl = () => {
+  // If VITE_API_BASE_URL is explicitly set to empty string, use relative URLs
+  if (import.meta.env.VITE_API_BASE_URL === '') {
+    return '' // Use relative URLs (reverse proxy handles routing)
+  }
+  // In production with reverse proxy, use relative URL (same origin)
+  if (import.meta.env.PROD) {
+    return '' // Use relative URLs in production (reverse proxy handles routing)
+  }
+  // Use environment variable in development, fallback to localhost
+  return import.meta.env.VITE_API_BASE_URL || 'http://localhost:8000'
+}
+
 export const API_CONFIG = {
-  BASE_URL: 'http://localhost:8000',
+  BASE_URL: getApiBaseUrl(),
   TIMEOUT: 30000, // 30 seconds
   RETRY_ATTEMPTS: 1,
   

src/lib/api/services/files.ts

@@ -1,4 +1,3 @@
-import { apiClient } from '../client'
 import { API_CONFIG } from '../config'
 
 export class FilesService {