setup 301 redirects from http to https code example

Example 1: 301 redirect http to https

#For apache .htaccess
RewriteEngine On
RewriteCond %{HTTPS} off
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} [R=301,L]

Example 2: how to create a 301 redirect with domain.com

RewriteEngine On 
RewriteCond %{HTTP_HOST} ^DOMAIN.com [NC]
RewriteCond %{SERVER_PORT} 80 
RewriteRule ^(.*)$ https://www.DOMAIN.com/$1 [R=301,L]