Installing SSL

server {
    listen 443 ssl;
    server_name yourdomain.com;

    ssl_certificate /etc/ssl/yourdomain.crt;
    ssl_certificate_key /etc/ssl/yourdomain.key;
    ssl_trusted_certificate /etc/ssl/ca-bundle.crt;
}

<VirtualHost *:443>
    ServerName yourdomain.com
    SSLEngine on
    SSLCertificateFile /etc/ssl/yourdomain.crt
    SSLCertificateKeyFile /etc/ssl/yourdomain.key
    SSLCertificateChainFile /etc/ssl/ca-bundle.crt
</VirtualHost>

RewriteEngine On
RewriteCond %{HTTPS} !=on
RewriteRule ^(.*)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]

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