SSL/TLS Configuration in Apache

# Redirect HTTP to HTTPS (must be a sibling block - vhosts cannot nest)
<VirtualHost *:80>
    ServerName example.com
    Redirect permanent / https://example.com/
</VirtualHost>

<VirtualHost *:443>
    ServerName example.com
    DocumentRoot /var/www/example.com

    SSLEngine on
    SSLCertificateFile /path/to/cert.pem
    SSLCertificateKeyFile /path/to/key.pem
</VirtualHost>