apiVersion: v1
kind: ConfigMap
metadata:
  name: nginx-config
  namespace: docusaurus
data:
  default.conf: |
    server {
        listen 80;
        server_name _;
        root /usr/share/nginx/html;
        index index.html;

        # Enable gzip compression
        gzip on;
        gzip_vary on;
        gzip_min_length 1024;
        gzip_types text/plain text/css text/xml text/javascript application/x-javascript application/xml+rss application/javascript application/json;

        # Redirect root to intro page
        location = / {
            return 301 /intro/;
        }

        # SPA fallback
        location / {
            try_files $uri $uri/ /intro/index.html;
        }

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

        # Security headers
        add_header X-Frame-Options "SAMEORIGIN" always;
        add_header X-Content-Type-Options "nosniff" always;
        add_header X-XSS-Protection "1; mode=block" always;
    }
