server {
    listen 80;
    server_name _;

    root /usr/share/nginx/html;
    index index.html;

    gzip on;
    gzip_types text/html text/css application/javascript;

    location = /healthz {
        return 200 "ok\n";
        add_header Content-Type text/plain;
    }

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