Werk #11086: Docker container: Fix usage behind reverse proxies

Component

Core & setup

Title

Docker container: Fix usage behind reverse proxies

Date

Jul 7, 2020

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.0.0i1	Checkmk Community, Checkmk Pro, Checkmk Ultimate MT
1.6.0p14	Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

The Checkmk container was not operating as expected in different scenarios where it's user interface was accessed through a reverse proxy, for example when it was working behind a K8s load balancer.

This behavior now has been improved by removing the port from the "ServerName" directive in the docker container. This makes the web server of the container detect and use the port from client requests and reuses it to build URLs for redirects and so on.

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