server { listen 80 default_server; listen [::]:80 default_server; root /var/www/html; index index.html; server_name _; location / { try_files $uri $uri/ /index.html; } location /healthcheck { access_log off; return 200; } location ~* \.(?:ico|css|js|gif|jpe?g|png)$ { expires max; add_header Cache-Control "public, must-revalidate, proxy-revalidate"; try_files $uri =404; } }