Single Page Application NGINX config

nginx.conf

user nginx;
worker_processes 1;
error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;
events {
  worker_connections 1024;
}
http {
  include /etc/nginx/mime.types;
  default_type application/octet-stream;
  log_format main '$remote_addr - $remote_user [$time_local] "$request" '
  '$status $body_bytes_sent "$http_referer" '
  '"$http_user_agent" "$http_x_forwarded_for"';
  access_log /var/log/nginx/access.log main;
  sendfile on;
  keepalive_timeout 65;
  server {
    listen 80;
    server_name localhost;
    location / {
      root /usr/share/nginx/html;
      index index.html;
      try_files $uri $uri/ /index.html;
    }
    error_page 500 502 503 504 /50x.html;
    location = /50x.html {
      root /usr/share/nginx/html;
    }
  }
}