server {
    listen 7860;
    server_name localhost;

    root /usr/share/nginx/html;
    index index.html;

    # Enable gzip and pre-compressed file support
    gzip on;
    gzip_static on;
    gzip_comp_level 6;
    gzip_vary on;
    gzip_proxied any;

    gzip_types
        text/plain
        text/css
        text/javascript
        application/javascript
        application/json
        application/xml
        application/font-woff
        application/font-woff2
        application/octet-stream
        image/svg+xml;

    # Serve .gz files manually if needed
    location ~* \.gz$ {
        add_header Content-Encoding gzip;
        add_header Vary Accept-Encoding;
        types {
            text/javascript js;
            text/css css;
            text/html html;
            application/octet-stream glb;
        }
    }

    # 🔥 Cache-busting for fingerprinted assets
    location ~* \.(js|css|woff2?|eot|ttf|otf|svg|glb|gltf|wasm|png|jpe?g|gif|ico|webp)$ {
        add_header Cache-Control "public, max-age=31536000, immutable";
        try_files $uri =404;
    }

    # 🚫 Prevent caching index.html (always load latest)
    location = /index.html {
        add_header Cache-Control "no-cache";
        try_files $uri =404;
    }

    # 🧩 Optional: glb file support
    location ~* \.glb$ {
        add_header Content-Type application/octet-stream;
        try_files $uri =404;
    }

    # 🎯 SPA fallback (Vue/React/etc.)
    location / {
        try_files $uri $uri/ /index.html;
    }
}