Server Directive for Nginx, redirect from HTTP to HTTPS.

https_server_nginx.conf

#NOTE: Redirect to HTTPS
server {
        listen 80;
        listen [::]:80;
        server_name example.com;
        return 301 https://example.com$request_uri;
}

server {
        listen 443 ssl;
        #NOTE: Comment out following line if ipv6 is not supported
        listen [::]:443 ssl;
        ssl_certificate     /etc/ssl/certs/adamrunner.dev.crt;
        ssl_certificate_key /etc/ssl/private/adamrunner.dev.key;
        ssl_protocols       TLSv1 TLSv1.1 TLSv1.2;
        # ...
        #NOTE: location blocks, etc go here...
}