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

    location / {
        try_files $uri $uri/ /index.html;
    }

    # index.html references content-hashed asset filenames - if it's cached,
    # deploys silently keep serving the old JS bundle (seen 13.09.2026).
    location = /index.html {
        add_header Cache-Control "no-cache";
    }

    location /assets/ {
        add_header Cache-Control "public, max-age=31536000, immutable";
    }
}