Complete Node.js container implementation with multi-version support

- Add Dockerfile with AlmaLinux 9 base, Nginx reverse proxy, and PM2
- Support Node.js versions 18, 20, 22 with automated installation
- Implement memory-optimized configuration (256MB minimum, 512MB recommended)
- Add Memcached session storage for development environments
- Create comprehensive documentation (README, USER-GUIDE, MEMORY-GUIDE, CLAUDE.md)
- Include example applications (simple website and REST API)
- Add Gitea CI/CD pipeline for automated multi-version builds
- Provide local development script with helper utilities
- Implement health monitoring, log rotation, and backup systems

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

scripts/create-nginx-config.sh

@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+
+# Create nginx configuration for reverse proxy to Node.js app
+cat > /etc/nginx/conf.d/default.conf << EOF
+upstream nodejs_backend {
+    server 127.0.0.1:3000;
+}
+
+server {
+    listen 80;
+    server_name $domain $serveralias;
+    
+    # Redirect HTTP to HTTPS
+    return 301 https://\$server_name\$request_uri;
+}
+
+server {
+    listen 443 ssl http2;
+    server_name $domain $serveralias;
+    
+    ssl_certificate /etc/pki/tls/certs/localhost.crt;
+    ssl_certificate_key /etc/pki/tls/private/localhost.key;
+    
+    ssl_protocols TLSv1.2 TLSv1.3;
+    ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384;
+    
+    access_log /home/$user/logs/nginx/access.log;
+    error_log /home/$user/logs/nginx/error.log;
+    
+    location / {
+        proxy_pass http://nodejs_backend;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade \$http_upgrade;
+        proxy_set_header Connection 'upgrade';
+        proxy_set_header Host \$host;
+        proxy_set_header X-Real-IP \$remote_addr;
+        proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto \$scheme;
+        proxy_cache_bypass \$http_upgrade;
+    }
+    
+    location /ping {
+        proxy_pass http://nodejs_backend/ping;
+        access_log off;
+    }
+    
+    # Static files
+    location /static/ {
+        alias /home/$user/app/public/;
+        expires 30d;
+        add_header Cache-Control "public, immutable";
+    }
+}
+EOF