Redirecting to SSL using nginx

Question

I have http:// and https:// on the same host like the following:

server {

    listen   80;
    listen   443 ssl;

    ...
    ...
}

What I

Answer 1

Ideally, avoiding if statements while preserving the trailing path:

server {
  listen 80;
  server_name example.com;
  rewrite (.*) https://example.com$1 permanent;
}

permanent takes care of the 301.