<IfModule mod_ssl.c>
<VirtualHost *:443>
ServerName mydomain
DocumentRoot /var/www/html
SSLCertificateFile /etc/letsencrypt/live/mydomain/cert.pem
SSLCertificateKeyFile /etc/letsencrypt/live/mydomain/privkey.pem
Include /etc/letsencrypt/options-ssl-apache.conf
SSLCertificateChainFile /etc/letsencrypt/live/mydomain/chain.pem
ProxyPreserveHost On
ProxyPass / ws://127.0.0.1:8080/
ProxyPassReverse / ws://127.0.0.1:8080/
</VirtualHost>
</IfModule>