nginx.conf

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

    # Never cache index.html, sw.js, manifest.webmanifest or service worker assets
    location ~* (index\.html|sw\.js|registerSW\.js|manifest\.webmanifest|workbox-.*\.js)$ {
        add_header Cache-Control "no-cache, no-store, must-revalidate";
        add_header Pragma "no-cache";
        add_header Expires "0";
    }

    # Static assets with hash (js, css, images, fonts) can be cached long-term
    location /assets/ {
        expires 1y;
        add_header Cache-Control "public, immutable";
    }

    # SPA fallback — let Vue Router handle client-side routes
    location / {
        add_header Cache-Control "no-cache, no-store, must-revalidate";
        add_header Pragma "no-cache";
        add_header Expires "0";
        try_files $uri $uri/ /index.html;
    }
}