Restore postgres database

[eoehen]

I need to delete the database first before I can restore from backup file.
Respectively I have to add the following lines in the backup file.

DROP DATABASE IF EXISTS <database>

In this case I have to connect to the postgres database that I can restore .

This process works, but it's a little confusing.
What is my mistake? Or is there another way?

Thank you very much for feedback.