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

    # Compression
    gzip on;
    gzip_comp_level 5;
    gzip_min_length 1024;
    gzip_types text/plain text/css application/javascript image/svg+xml application/json;

    # Always revalidate with the server (cheap 304s via ETag) so new deploys show up
    # immediately instead of being stuck behind a long browser cache.
    location / {
        try_files $uri $uri/ =404;
        add_header Cache-Control "no-cache";
    }
}