NIST CSF 2.0 Assessment Platform

# Optimized nginx configuration for React SPA with API proxy integration

server {
    listen 80;
    server_name localhost;
    
    root /usr/share/nginx/html;
    index index.html index.htm;

    # Gzip compression for better performance
    gzip on;
    gzip_types text/css application/javascript application/json;
    
    # Security headers
    add_header X-Frame-Options DENY;
    add_header X-Content-Type-Options nosniff;
    add_header X-XSS-Protection "1; mode=block";

    # SPA routing support
    location / {
        try_files $uri $uri/ /index.html;
    }

    # API proxy to backend (Module 1 integration)
    location /api/ {
        proxy_pass http://gui-backend:3001;
        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;
    }

    # WebSocket proxy for real-time updates
    location /ws {
        proxy_pass http://gui-backend:3001;
        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;
    }

    # Static asset caching
    location ~* \.(js|css|png|jpg|jpeg|gif|svg|ico|woff|woff2)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
    }
}