ServerName api.yourdomain.com
ProxyPass / http://www.example.com:8001/
ProxyPassReverse / http://www.example.com:8001/
ServerAdmin you@somewhere.com
ServerName api.domain.com
ProxyPass / http://localhost:8080/
ProxyPassReverse / http://localhost:8080/
ErrorLog ${APACHE_LOG_DIR}/error.log
CustomLog ${APACHE_LOG_DIR}/access.log combined
SSLEngine on
SSLCertificateFile /etc/letsencrypt/live/api.domain.com/fullchain.pem
SSLCertificateKeyFile /etc/letsencrypt/live/api.domain.com/privkey.pem
SSLCertificateChainFile /etc/letsencrypt/live/api.domain.com/fullchain.pem
Include /etc/letsencrypt/options-ssl-apache.conf