How to set up an SSL virtual host with Apache2 and LetsEncrypt CA

Apache2 SSL Virtual Host - Sample

# Redirect non-SSL traffic to SSL site
<VirtualHost *:80>
    ServerName example.com
    ServerAlias www.example.com
    Redirect permanent / https://example.com/
</VirtualHost>

# SSL Site
<VirtualHost *:443>
    ServerAdmin nelson@blackpay.co.ke
    ServerName example.com
    ServerAlias www.example.com
    DocumentRoot /var/www/html/{example_siteroot}
    ErrorLog ${APACHE_LOG_DIR}/error.log
    CustomLog ${APACHE_LOG_DIR}/access.log combined
	
	# Inject your SSL certificates from LetsEncrypt
    SSLEngine on
    SSLCertificateKeyFile /etc/letsencrypt/live/www.ameyo.me/privkey.pem
    SSLCertificateFile /etc/letsencrypt/live/www.ameyo.me/cert.pem
    SSLCertificateChainFile /etc/letsencrypt/live/www.ameyo.me/chain.pem

    <FilesMatch "\.(cgi|shtml|phtml|php)$">
        SSLOptions +StdEnvVars
    </FilesMatch>

    <Directory /usr/lib/cgi-bin>
        SSLOptions +StdEnvVars
    </Directory>

    BrowserMatch "MSIE [2-6]" \
                    nokeepalive ssl-unclean-shutdown \
                    downgrade-1.0 force-response-1.0
    BrowserMatch "MSIE [17-9]" ssl-unclean-shutdown

    <Directory /var/www/html/{example_siteroot}>
        Options Indexes FollowSymLinks MultiViews
        AllowOverride All
        Order allow,deny
        allow from all
	</Directory>
</VirtualHost>