Nginx Proxy for Kibana + Basic Auth

default.conf

server {
    listen 80;

    server_name localhost;

    auth_basic "Restricted Access";
    auth_basic_user_file /etc/nginx/htpasswd.users;

    location / {
        proxy_pass https://vpc-my-es-574vcxyz.eu-central-1.es.amazonaws.com/;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_set_header Authorization "";
        proxy_cache_bypass $http_upgrade;
    }
}