I know this is a pretty basic thing, but I’ve seen so many tutorials out there that are non-dynamic solutions.
Normally when you google “How to force HTTPS using an .htaccess file” or “Redirect HTTP to HTTPS using an .htaccess file” you get examples like the below.
RewriteEngine On
RewriteCond %{SERVER_PORT} 80
RewriteRule ^(.*)$ https://www.example.com/$1 [R,L]
This does work, but you have to replace www.example.com with your domain and it’s then hard-coded and not dynamic. I don’t like hard-coding anything unless it’s absolutely necessary, so here’s an example of the dynamic way to redirect to https from http requests using your htaccess file.
RewriteEngine On
RewriteCond %{HTTPS} off
RewriteRule ^(.*)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
View the Prodjex Web Development forum discussion on How to Force HTTPS Using .htaccess.
