• https://www.elastic.co/guide/en/elasticsearch/reference/current/deb.html
• https://dzone.com/articles/install-elasticsearch-on-ubuntu-18041-1
• https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-elasticsearch-on-ubuntu-14-04
• https://www.ralphlepore.net/setting-up-basic-authentication-with-elasticsearch/
• https://docs.nginx.com/nginx/admin-guide/security-controls/configuring-http-basic-authentication/

Steps

For remote development setup

• Install Java 8
• Install Elasticsearch 6
• Configure localhost:9200
• Configure systemctl
• Set up nginx proxy with basic auth

server {
	listen 443 ssl http2;
	listen [::]:443 ssl http2;

	ssl on;
	ssl_certificate     /etc/letsencrypt/live/example.com/fullchain.pem;
	ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem;

	server_name example.com;

	location / {
		proxy_ignore_client_abort on;
		proxy_set_header Host $http_host;
		proxy_set_header X-Real-IP $remote_addr;
		proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
		proxy_pass http://localhost:9200;
		proxy_http_version 1.1;
		proxy_set_header Upgrade $http_upgrade;
		auth_basic "Example";
		auth_basic_user_file /etc/nginx/.htpasswd;
	}
}