Nginx and React URL routing

sample-nginx.conf

server {
    listen       80;
    server_name  localhost;
    root         /usr/share/nginx/html;

    location / {
        expires   5m;
        try_files $uri $uri/ /index.html;
    }

    location ~* \.html$ {
        expires 5m;
    }

    location ~* "\.\w{2,4}$" {
        expires 1y;
        try_files $uri =404;
    }

    error_page   500 502 503 504  /50x.html;
}