https://blog.containo.us/back-to-traefik-2-0-2f9aa17be305 https://www.code-fabrik.com/2018/09/25/traefik-ein-reverse-proxy-f%C3%BCr-docker/ https://thecodingmachine.io/continuous-delivery-on-a-dedicated-server https://www.netways.de/blog/2019/02/21/gitlab-ci-docker-traefik-%E2%9D%A4%EF%B8%8F/