Enable https behind loadbalancers for Contao CMS

Recently I had the pleasure to setup Contao (https://contao.org/) in the Amazon cloud (AWS – Elastic Beanstalk). Therefore I had to enable HTTPS behind loadbalancers. The problem was, that the AWS-Loadbalancer is the SSL Endpoint / SSL Terminator in an AWS Beanstalk – architecture. Contao didn’t recognize, that it was running under HTTPS and therefore set the wrong […]