$ pgcli [database_name] or $ pgcli postgresql://[user[:password]@][netloc][:port][/dbname][?extra=value[&other=other-value]] Examples: $ pgcli local_database $ pgcli postgres://amjith:pa$$w0rd@example.com:5432/app_db?sslmode=verify-ca&sslrootcert=/myrootcert For more details: $ pgcli --help Usage: pgcli [OPTIONS] [DBNAME] [USERNAME] Options: -h, --host TEXT Host address of the postgres database. -