WP template hierarchy?

Question

WordPress

I can't figure out what I'm doing wrong. Created a page template page-blog.php
In the reading settings, indicated that the page of the entries is the Blog page. But I don't care about the index.php records page. What's wrong ?
And in the menu, I have a static Blog page, but when I follow the link, the index.php file opens for some reason
Inside it looks like this

Answer 1

Try renaming to home.php
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