How to set up nginx redirects?

Question

Nginx

Already worn out, but I can not configure the correct behavior.
Help set up 301 redirects with

http://www.site.com, http://site.com, https://www.site.com на https://site.com

Answer 1

server {
    listen 80;
    server_name www.site.com site.com;
    return 301 https://site.com$request_uri;
}

server {
    listen 443 ssl;
    server_name www.site.com;
    return 301 https://site.com$request_uri;
}

server {
    listen 443 ssl;
    server_name site.com;
    # основная часть
}