Bookmarks : API Reliability and Security Issues
Backup the Database
API Configuration File
Secure login root and password
Postgres Username, Password and Port
Setup Postgres configuration
pg_conf
pg_hba
TLS encryption
Links :
https://www.digitalocean.com/community/tutorials/7-security-measures-to-protect-your-servers
https://www.digitalocean.com/community/tutorials/an-introduction-to-securing-your-linux-vps
https://www.digitalocean.com/community/questions/best-practices-for-hardening-new-sever-in-2017
https://www.digitalocean.com/community/questions/how-do-you-secure-your-new-server