From 0a42a328173ecfc74514ca4dfa356b7e11eff5cd Mon Sep 17 00:00:00 2001
From: Oleg Proskurin <regx@usul.su>
Date: Thu, 25 Dec 2025 23:35:52 +0700
Subject: [PATCH] feat: use CDN urls

---
 .../src/services/MinioStorageService.ts       | 23 +++++++++++++++++--
 infrastructure/.env.example                   |  5 ++++
 2 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/apps/api-service/src/services/MinioStorageService.ts b/apps/api-service/src/services/MinioStorageService.ts
index 40e9901..6e15b5a 100644
--- a/apps/api-service/src/services/MinioStorageService.ts
+++ b/apps/api-service/src/services/MinioStorageService.ts
@@ -268,6 +268,13 @@ export class MinioStorageService implements StorageService {
     await this.client.removeObject(this.bucketName, filePath);
   }
 
+  /**
+   * Get public URL for file access
+   * Returns CDN URL if MINIO_PUBLIC_URL is configured (production),
+   * otherwise falls back to API endpoint URL (development)
+   * 
+   * @returns {string} URL for accessing the file
+   */
   getPublicUrl(
     orgId: string,
     projectId: string,
@@ -275,9 +282,21 @@ export class MinioStorageService implements StorageService {
     filename: string,
   ): string {
     this.validateFilePath(orgId, projectId, category, filename);
-    // Production-ready: Return API URL for presigned URL access
+    
+    // If MINIO_PUBLIC_URL is configured, use direct CDN access
+    // This provides better performance and reduces API server load
+    if (this.publicUrl && process.env['USE_DIRECT_CDN'] !== 'false') {
+      const filePath = this.getFilePath(orgId, projectId, category, filename);
+      const cdnUrl = `${this.publicUrl}/${this.bucketName}/${filePath}`;
+      console.log(`[MinIO] Using CDN URL: ${cdnUrl}`);
+      return cdnUrl;
+    }
+    
+    // Fallback to API URL for local development or when CDN is disabled
     const apiBaseUrl = process.env['API_BASE_URL'] || 'http://localhost:3000';
-    return `${apiBaseUrl}/api/images/${orgId}/${projectId}/${category}/${filename}`;
+    const apiUrl = `${apiBaseUrl}/api/images/${orgId}/${projectId}/${category}/${filename}`;
+    console.log(`[MinIO] Using API URL: ${apiUrl}`);
+    return apiUrl;
   }
 
   async getPresignedUploadUrl(
diff --git a/infrastructure/.env.example b/infrastructure/.env.example
index 7173962..ff5e5f5 100644
--- a/infrastructure/.env.example
+++ b/infrastructure/.env.example
@@ -34,6 +34,11 @@ STORAGE_TYPE=minio
 # Public URL for CDN access (used in API responses)
 MINIO_PUBLIC_URL=https://cdn.banatie.app
 
+# Use direct CDN URLs instead of API proxy (recommended for production)
+# Set to 'false' to force API URLs even when MINIO_PUBLIC_URL is configured
+# Default: true (CDN enabled when MINIO_PUBLIC_URL is present)
+USE_DIRECT_CDN=true
+
 # ----------------------------------------
 # API Configuration
 # ----------------------------------------