server {
    listen 80;
    server_name _;

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

    # ---- gzip ----
    gzip on;
    gzip_vary on;
    gzip_min_length 1024;
    gzip_proxied any;
    gzip_comp_level 6;
    gzip_types
        text/plain
        text/css
        text/javascript
        application/javascript
        application/json
        application/xml
        application/rss+xml
        image/svg+xml
        font/ttf
        font/otf
        font/woff
        font/woff2
        application/vnd.ms-fontobject;

    # ---- Hashed static assets: cache hard ----
    # ^~ so this wins over the regex block below for Vite's fingerprinted files
    location ^~ /assets/ {
        expires 1y;
        add_header Cache-Control "public, immutable";
        try_files $uri =404;
    }

    # ---- Other static files by extension ----
    location ~* \.(?:js|css|png|jpe?g|gif|webp|avif|svg|ico|woff2?|ttf|otf|eot|mp4|webm)$ {
        expires 30d;
        add_header Cache-Control "public";
        try_files $uri =404;
    }

    # ---- SPA fallback: unknown routes -> index.html (React Router) ----
    location / {
        try_files $uri $uri/ /index.html;
    }

    # index.html must never be cached, so new deploys are picked up
    location = /index.html {
        add_header Cache-Control "no-cache, no-store, must-revalidate";
        expires -1;
    }

    # Don't log noise / don't cache the favicon aggressively is fine as-is
    location = /favicon.ico {
        log_not_found off;
        access_log off;
        expires 30d;
    }
}