[Maintenance] Find Alternatives for hosts file changes

[DanielOber]

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Problem description (optional)

If the gateway is runnning inside a container, it needs redirecting to the keycloak. At the moment it is only possible if you manipulate the hostsfile to redirect keycloak:8080 to localhost:8080. For changing the hostsfile itself you need admin rights on your pc.

Desired solution

find a solution to the redirect possible without changes inside the hostsfile

Considered alternatives (optional)

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Additional context (optional)

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[devtobi]

Maybe we can use https://github.com/dvddarias/docker-hoster running as privileged container.

This looks pretty promising.