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

    gzip on;
    gzip_min_length 512;
    gzip_types text/html application/javascript application/json text/css;

    # index.html — без кеша: пульт должен подхватывать новые релизы сразу.
    location = /index.html {
        add_header Cache-Control "no-store";
    }

    location / {
        try_files $uri $uri/ /index.html;
        add_header Cache-Control "no-store";
    }
}