nginx reverse proxy to Wordpress install on another host

nginx-location-block.conf

  location /blog/ {
    proxy_pass http://YOUR_IP_ADDRESS/; # this last forward slash is important
    proxy_http_version                 1.1;
    proxy_cache_bypass                 $http_upgrade;

    # Proxy headers
    proxy_set_header Upgrade           $http_upgrade;
    proxy_set_header Connection        "upgrade";
    proxy_set_header Host              $host;
    proxy_set_header X-Real-IP         $remote_addr;
    proxy_set_header X-Forwarded-For   $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $scheme;
    proxy_set_header X-Forwarded-Host  $host;
    proxy_set_header X-Forwarded-Port  $server_port;

    # Proxy timeouts
    proxy_connect_timeout              60s;
    proxy_send_timeout                 60s;
    proxy_read_timeout                 60s;
  }

Pair with these additions to wp-config.php: https://gist.github.com/pietrorea/52465cbf207021cfd7928dbe693cee6c