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

    # Tinode webapp uses hash-based client-side routing, so any unknown path
    # can safely fall back to index.html.
    location / {
        try_files $uri $uri/ /index.html;
    }

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

    location /img/ {
        add_header Cache-Control "public, max-age=86400";
    }
}