CODE recently broke multihosts configurations. Previously, it was possibly to configure the CODE server to accept requests from several “integration” hosts by correctly setting the domain variable as described in CODE Docker image — SDK https://sdk.collaboraonline.com/ documentation This no longer …

@rash419 : Thanks, I remembered I read this other thread, and looked for it in the topics list, but somehow was not able to find it… :frowning_face: However, this suggestion looks exactly like what I did, I think… See snipped above, I have alias_groups mode set to groups and included two groups wit…

@GOhrner Can you please share the full logs

@GOhrner : Thank you so much for the report! I can see two things that might be a bit suspicious, so if you can confirm any of them is actually fixing the issue for you, that would be great. <host desc=“Regex pattern of hostname to allow or deny.” allow=“true”>(nextcloud.( example.com|example.net )…

@kendy , @rash419 : Please wait with retrying - I was looking into it again today just at the same time, and I think the problem was just on my end, or rather, in front of my computer… The usual thing… :-/ Sorry for stirring things up, I’ll soon be able to report if it works now or not.

@kendy , @rash419 : Sorry, my apologies, it was a blunder on my part. Basically copied the wrong config file into the container. To maybe still provide some additional insight: No, port numbers don’t appear to be necessary, it works without. I’m now using https:// as the protocol, even though coolw…

@GOhrner : Perfect, thank you so much for letting us know and for the additional information!

just seen start-collabora-online.pl in the github repo. in the PR we see: environment: - aliasgroup1=https://servername:443,https://its-alias:443,https://its-second-alias:443 - aliasgroup2=https://second-servername:443,https://seconds-alias:443 can this be added to some additional documentati…

it is will released with next docker image, so docker users can define multiple host directly from command line : ) CODE Docker image — SDK https://sdk.collaboraonline.com/ documentation

@rash419 : Is the syntax for alias names in example in the referenced documentation actually correct? aliasgroup1=https://<domain1>:443,https://<your-dot-escaped-aliasname1>|<your-dot-escaped-aliasname2>:443 This looks suspicious to me, I’d either have expected brackets around the two alias names, …

Fixing CODE Multihost Configuration

Installation & Configuration

rash419 April 4, 2022, 5:44am 2

@GOhrner 21.11.3.4.1 - problem with multiple domains - #3 by ivnmad

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21.11.3.4.1 - problem with multiple domains Installation & Configuration	4	2246	August 25, 2022
Security implications of multihost with `-e "aliasgroup1=https://(.*)/"` Installation & Configuration	1	564	December 14, 2022
Help needed with Network settings Installation & Configuration	17	4167	March 10, 2026
Property wopi host allow not working/filtering User Support	5	721	August 6, 2024
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27 – 29 April 2026, Hamburg, Germany

Fixing CODE Multihost Configuration

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