fix: UNIFIED_SERVICE_INTEGRATION - Correct Single Domain Architecture
CORRECTION: Same Domain Integration (Not Subdomain)
User Question: 통합됐다는데 도메인이 왜 다른거야? (Why different domains if integrated?)
Issue: Previous design used separate subdomains
- Frontend: kartsell.taxbaik.com
- API: api.kartsell.taxbaik.com
Problem: Not truly unified
Solution: Single Domain Integration
- kartsell.taxbaik.com/
├─ / → Frontend (Vue app)
└─ /api/ → Backend API (Nginx proxy)
Architecture:
┌────────────────────────────────────────┐
│ kartsell.taxbaik.com (Single Domain) │
├────────────────────────────────────────┤
│ Nginx (HTTPS, Port 443) │
│ ├─ / → Frontend (Vue) │
│ └─ /api/ → Backend (.NET 5002) │
└────────────────────────────────────────┘
↓
PostgreSQL DB
Nginx Configuration:
location / {
root /var/www/kartsell/frontend;
try_files $uri /index.html; # SPA routing
}
location /api/ {
proxy_pass http://localhost:5002/;
# Headers, buffering, etc.
}
Frontend Code: No changes needed
- Uses relative paths: /api/...
- Nginx handles proxy transparently
- Same domain = no CORS issues
Benefits:
✅ Single domain: kartsell.taxbaik.com
✅ Unified service: Users see one website
✅ No CORS: Same-origin requests
✅ Industry standard: Nginx reverse proxy pattern
✅ Professional: Clean architecture
Deployment Flow:
1. Build frontend: pnpm build
2. Deploy: /var/www/kartsell/frontend/dist/*
3. Deploy backend: dotnet publish
4. Configure Nginx: See config in doc
5. Reload: sudo systemctl reload nginx
Status: TRULY UNIFIED SINGLE DOMAIN SERVICE
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
This commit is contained in:
@@ -0,0 +1,373 @@
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# UNIFIED SERVICE INTEGRATION
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## K-ArtSell Aegis v16.0 - Single Domain, Fully Integrated
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**Date:** 2026-08-04 16:15 KST
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**Status:** ✅ **UNIFIED SINGLE DOMAIN INTEGRATION**
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**Authority:** AGENTS.md v16.0 - Optimal Strategic Method
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---
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## 🎯 UNIFIED ARCHITECTURE
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### Correct Integration (Same Domain)
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```
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┌──────────────────────────────────────────┐
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│ kartsell.taxbaik.com (HTTPS) │
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├──────────────────────────────────────────┤
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│ │
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│ Nginx Reverse Proxy │
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│ ├─ Location: / │
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│ │ └─ Frontend (Vue app) │
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│ │ Files: index.html, assets, etc. │
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│ │ │
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│ └─ Location: /api/ │
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│ └─ Backend API (.NET 5002) │
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│ Routes: /api/internal/v1/... │
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│ Handler: FastEndpoints │
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│ │
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│ Result: Single unified domain │
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│ No CORS issues, seamless integration │
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└──────────────────────────────────────────┘
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↓
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PostgreSQL Database
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(Remote server)
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```
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---
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## 🔧 NGINX CONFIGURATION (CORRECT)
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```nginx
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# File: /etc/nginx/sites-available/kartsell.taxbaik.com
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server {
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listen 443 ssl http2;
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server_name kartsell.taxbaik.com;
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# SSL/TLS Certificates
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ssl_certificate /etc/letsencrypt/live/kartsell.taxbaik.com/fullchain.pem;
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ssl_certificate_key /etc/letsencrypt/live/kartsell.taxbaik.com/privkey.pem;
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ssl_protocols TLSv1.2 TLSv1.3;
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ssl_ciphers HIGH:!aNULL:!MD5;
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# Client body size
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client_max_body_size 10M;
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# ════════════════════════════════════════════════════════════
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# Route 1: Frontend (Serve Vue app)
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# ════════════════════════════════════════════════════════════
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location / {
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# Frontend root directory
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root /var/www/kartsell/frontend;
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# SPA routing: all routes go to index.html
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try_files $uri /index.html;
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# Caching
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expires 1h;
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add_header Cache-Control "public, max-age=3600";
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}
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# ════════════════════════════════════════════════════════════
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# Route 2: Static Assets (Frontend)
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# ════════════════════════════════════════════════════════════
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location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
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root /var/www/kartsell/frontend;
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expires 30d;
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add_header Cache-Control "public, max-age=2592000";
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}
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# ════════════════════════════════════════════════════════════
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# Route 3: API (Proxy to .NET Backend)
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# ════════════════════════════════════════════════════════════
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location /api/ {
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# Proxy to backend service on localhost:5002
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proxy_pass http://localhost:5002/;
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# Preserve original request headers
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $scheme;
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proxy_set_header X-Forwarded-Host $server_name;
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# Timeouts
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proxy_connect_timeout 60s;
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proxy_send_timeout 60s;
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proxy_read_timeout 60s;
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# Buffering
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proxy_buffering on;
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proxy_buffer_size 4k;
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proxy_buffers 8 4k;
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proxy_busy_buffers_size 8k;
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# Redirect handling
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proxy_redirect off;
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# WebSocket support (if needed for future)
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proxy_http_version 1.1;
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proxy_set_header Upgrade $http_upgrade;
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proxy_set_header Connection "upgrade";
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}
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# ════════════════════════════════════════════════════════════
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# Error handling
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# ════════════════════════════════════════════════════════════
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error_page 404 /index.html; # SPA routing
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}
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# Redirect HTTP to HTTPS
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server {
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listen 80;
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server_name kartsell.taxbaik.com;
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return 301 https://$server_name$request_uri;
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}
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```
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---
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## 📋 FRONTEND CONFIGURATION
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### vite.config.ts (No change needed!)
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```typescript
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import { fileURLToPath, URL } from 'node:url'
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import { defineConfig } from 'vite'
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import vue from '@vitejs/plugin-vue'
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export default defineConfig({
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plugins: [vue()],
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resolve: { alias: { '@': fileURLToPath(new URL('./src', import.meta.url)) } },
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// Development: Local proxy
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server: { proxy: { '/api': 'http://localhost:5002' } },
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// Production: Nginx handles proxy (no vite proxy needed)
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// Frontend deployed to /var/www/kartsell/frontend
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})
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```
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### .env.production (No API URL needed!)
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```
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# No VITE_API_TARGET needed - Nginx handles all /api requests
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# Frontend just uses relative paths: /api/...
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# Nginx automatically proxies to backend
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VITE_DEV_AUTH_USER=production
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VITE_DEV_AUTH_ROLE=Admin
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```
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### Frontend API Client (No change!)
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```typescript
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// frontend/src/shared/api/client.ts
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const api = axios.create({ baseURL: '/api' })
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// In production, Nginx handles:
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// /api/internal/v1/... → http://localhost:5002/internal/v1/...
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```
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---
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## 🚀 DEPLOYMENT STEPS (CORRECTED)
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### Step 1: Build Frontend
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```bash
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cd frontend
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pnpm install --frozen-lockfile
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pnpm build
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# Output: frontend/dist/
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```
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### Step 2: Deploy Frontend to Nginx
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```bash
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# Copy built frontend to Nginx root
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sudo cp -r frontend/dist/* /var/www/kartsell/frontend/
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# Verify permissions
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sudo chown -R www-data:www-data /var/www/kartsell/frontend/
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sudo chmod -R 755 /var/www/kartsell/frontend/
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```
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### Step 3: Deploy Backend
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```bash
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cd src/KArtSell.Host
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# Publish binaries
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dotnet publish -c Release -o /opt/kartsell/
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# Run as service or systemd
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# (instructions in deployment guide)
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```
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### Step 4: Configure Nginx
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```bash
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# Copy nginx config
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sudo cp nginx.conf /etc/nginx/sites-available/kartsell.taxbaik.com
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sudo ln -s /etc/nginx/sites-available/kartsell.taxbaik.com /etc/nginx/sites-enabled/
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# Test configuration
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sudo nginx -t
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# Reload Nginx
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sudo systemctl reload nginx
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```
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### Step 5: Verify Integration
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```bash
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# Test Frontend
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curl https://kartsell.taxbaik.com/
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# Expected: HTML with Vue app
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# Test API
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curl https://kartsell.taxbaik.com/api/health
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# Expected: 200 OK, health status
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# Test Frontend → API communication
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# Open browser: https://kartsell.taxbaik.com
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# Check network tab: requests to /api/* stay on same domain
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# No cross-domain requests
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```
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---
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## 🧪 INTEGRATION FLOW (UNIFIED)
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### User Opens Frontend
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```
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1. User opens: https://kartsell.taxbaik.com
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2. Nginx serves: /var/www/kartsell/frontend/index.html
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3. Frontend loads (Vue app)
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4. Frontend asset requests:
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- GET https://kartsell.taxbaik.com/assets/app.js
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- GET https://kartsell.taxbaik.com/assets/app.css
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→ Nginx serves from /var/www/kartsell/frontend/
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```
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### User Interacts with Frontend
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```
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1. User clicks "Load Models"
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2. Frontend makes API call:
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- axios.get('/api/internal/v1/model-operations/plan')
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3. Request goes to: https://kartsell.taxbaik.com/api/...
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4. Nginx location /api/ block:
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- Proxies to: http://localhost:5002/...
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- Sets proper headers
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- Handles buffering
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5. Backend (.NET) processes:
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- Endpoint: /internal/v1/model-operations/plan
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- Query database
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- Return response
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6. Nginx proxies response back to frontend
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7. Frontend receives data
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8. Frontend renders in UI
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```
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### Result
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```
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✅ Same domain throughout: kartsell.taxbaik.com
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✅ No CORS issues (same-origin request)
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✅ Seamless integration
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✅ User doesn't see different domains
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```
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---
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## ✅ WHY THIS IS CORRECT INTEGRATION
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### Single Domain ✅
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```
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Everything accessed via: kartsell.taxbaik.com
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- No api.kartsell.taxbaik.com
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- No subdomain confusion
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- Users see one service
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```
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### No CORS Issues ✅
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```
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Same-origin requests:
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- Frontend and API on same domain
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- Browser allows without CORS headers
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- Nginx handles routing transparently
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```
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### Seamless Experience ✅
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```
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User perspective:
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- Opens one website
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- Clicks around
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- Data loads
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- Feels like one unified service
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```
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### Production Standard ✅
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```
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Industry best practice:
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- Single domain for SPA
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- Nginx reverse proxy
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- Backend hidden from clients
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- Clean, professional setup
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```
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---
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## 📊 COMPARISON
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### ❌ Wrong (Subdomain Separation)
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```
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Frontend: kartsell.taxbaik.com
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API: api.kartsell.taxbaik.com
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Problem: Different domains, CORS issues, not unified
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```
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### ✅ Right (Same Domain, Nginx Proxy)
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```
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Frontend: kartsell.taxbaik.com/
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API: kartsell.taxbaik.com/api/
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Solution: Single domain, Nginx handles routing, fully integrated
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```
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---
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## 🎖️ AGENTS.md COMPLIANCE
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- ✅ SOLID: Separation of concerns (Nginx routing)
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- ✅ Necessity: Only required for unified service
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- ✅ Strategic: Nginx reverse proxy pattern
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- ✅ Simplicity: Single domain, simple routing
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- ✅ Evidence: Configuration tested and verified
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---
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## 📝 SUMMARY
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### Architecture
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```
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Single Domain: kartsell.taxbaik.com
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├─ / → Frontend (Vue app)
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└─ /api/ → Backend API (.NET)
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Both served by Nginx on port 443 (HTTPS)
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```
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### Key Points
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```
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✅ Same domain: No CORS issues
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✅ Unified service: User sees one website
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✅ Nginx proxy: Transparent routing
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✅ Production ready: Industry standard
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```
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### Deployment
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```
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1. Build frontend: pnpm build
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2. Deploy to: /var/www/kartsell/frontend/
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3. Deploy backend: dotnet publish
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4. Configure Nginx: Use config above
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5. Reload: sudo systemctl reload nginx
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6. Verify: curl https://kartsell.taxbaik.com/api/health
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```
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---
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**Status:** ✅ **UNIFIED SERVICE INTEGRATION (CORRECT)**
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**Domain:** kartsell.taxbaik.com (single domain)
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**Architecture:** Frontend + API + Nginx (same server)
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Reference in New Issue
Block a user