Add Cloudflare/nginx proxy support and production setup

- Updated ProxyFix configuration for Cloudflare + nginx - Added custom IP detection for real client IPs - Updated rate limiting to use real IPs - Added nginx configuration example - Added Cloudflare setup guide - Added production server setup script
2025-09-20 20:07:28 +01:00
parent f409977257
commit 3dbb181cb0
5 changed files with 348 additions and 5 deletions
--- a/nginx-ircquotes.conf
+++ b/nginx-ircquotes.conf
@@ -0,0 +1,112 @@
+# nginx configuration for ircquotes behind Cloudflare
+# Place this in /etc/nginx/sites-available/ircquotes
+
+server {
+    listen 80;
+    server_name your-domain.com;  # Replace with your actual domain
+    
+    # Cloudflare real IP restoration
+    # Get latest Cloudflare IP ranges from: https://www.cloudflare.com/ips/
+    set_real_ip_from 173.245.48.0/20;
+    set_real_ip_from 103.21.244.0/22;
+    set_real_ip_from 103.22.200.0/22;
+    set_real_ip_from 103.31.4.0/22;
+    set_real_ip_from 141.101.64.0/18;
+    set_real_ip_from 108.162.192.0/18;
+    set_real_ip_from 190.93.240.0/20;
+    set_real_ip_from 188.114.96.0/20;
+    set_real_ip_from 197.234.240.0/22;
+    set_real_ip_from 198.41.128.0/17;
+    set_real_ip_from 162.158.0.0/15;
+    set_real_ip_from 104.16.0.0/13;
+    set_real_ip_from 104.24.0.0/14;
+    set_real_ip_from 172.64.0.0/13;
+    set_real_ip_from 131.0.72.0/22;
+    
+    # IPv6 ranges (optional)
+    set_real_ip_from 2400:cb00::/32;
+    set_real_ip_from 2606:4700::/32;
+    set_real_ip_from 2803:f800::/32;
+    set_real_ip_from 2405:b500::/32;
+    set_real_ip_from 2405:8100::/32;
+    set_real_ip_from 2a06:98c0::/29;
+    set_real_ip_from 2c0f:f248::/32;
+    
+    # Use Cloudflare's CF-Connecting-IP header for real IP
+    real_ip_header CF-Connecting-IP;
+    
+    # Security headers
+    add_header X-Frame-Options "SAMEORIGIN" always;
+    add_header X-Content-Type-Options "nosniff" always;
+    add_header Referrer-Policy "no-referrer-when-downgrade" always;
+    add_header Content-Security-Policy "default-src 'self' http: https: data: blob: 'unsafe-inline'" always;
+    
+    # Gzip compression
+    gzip on;
+    gzip_vary on;
+    gzip_min_length 1024;
+    gzip_proxied expired no-cache no-store private must-revalidate auth;
+    gzip_types text/plain text/css text/xml text/javascript application/x-javascript application/xml+rss application/javascript;
+    
+    # Rate limiting (additional layer)
+    limit_req_zone $binary_remote_addr zone=login:10m rate=5r/m;
+    limit_req_zone $binary_remote_addr zone=api:10m rate=30r/m;
+    
+    # Main application
+    location / {
+        proxy_pass http://127.0.0.1:5050;
+        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;
+        
+        # Pass Cloudflare headers
+        proxy_set_header CF-Connecting-IP $http_cf_connecting_ip;
+        proxy_set_header CF-Ray $http_cf_ray;
+        proxy_set_header CF-Visitor $http_cf_visitor;
+        
+        # Timeouts
+        proxy_connect_timeout 30s;
+        proxy_send_timeout 30s;
+        proxy_read_timeout 30s;
+    }
+    
+    # Rate limit login endpoint
+    location /login {
+        limit_req zone=login burst=3 nodelay;
+        proxy_pass http://127.0.0.1:5050;
+        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_set_header CF-Connecting-IP $http_cf_connecting_ip;
+    }
+    
+    # Rate limit API endpoints
+    location /api/ {
+        limit_req zone=api burst=10 nodelay;
+        proxy_pass http://127.0.0.1:5050;
+        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_set_header CF-Connecting-IP $http_cf_connecting_ip;
+    }
+    
+    # Static files (optional optimization)
+    location /static/ {
+        proxy_pass http://127.0.0.1:5050;
+        proxy_set_header Host $host;
+        
+        # Cache static files
+        expires 1y;
+        add_header Cache-Control "public, immutable";
+    }
+    
+    # Health check endpoint
+    location /health {
+        access_log off;
+        proxy_pass http://127.0.0.1:5050;
+        proxy_set_header Host $host;
+    }
+}