postgres wiki has list of different non-command line ways to use postgres [0]. UML/gui type tools perhaps would be helpful[1].

Configuring setups from scratch is always annoying. Checking out how others have handled/documented/automated HA setups is nice way to narrow down setup/understanding time. few search engine results: [2][3][4]

[0]a : http://wiki.postgresql.org /wiki/Community_Guide_to_PostgreSQL_GUI_Tools

[0]b : http://wiki.postgresql.org/wiki/Design_Tools

[1] : http://pgmodeler.io/

[2] : https://ubuntu.com/blog/postgresql-high-availability

[3] : https://www.postgresql.org/docs/current/high-availability.ht...

[4] : https://jfrog.com/community/devops/highly-available-postgres...