resource : https://buildmedia.readthedocs.org/media/pdf/indy-node/latest/indy-node.pdf
https://hyperledger-indy.readthedocs.io/projects/node/en/latest/start-nodes.html
https://myhsts.org/tutorial-learn-how-to-install-blockchain-hyperledger-indy-on-amazon-web-services.php
