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docs: add warning for setting PORT

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Closes #4799
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Jose Diaz-Gonzalez
2022-01-28 20:39:52 -05:00
parent 647c4578e2
commit 1c681d23eb
1 changed files with 2 additions and 0 deletions
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docs/networking/port-management.md
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@@ -15,6 +15,8 @@ In Dokku 0.5.0, port proxying was decoupled from the `nginx-vhosts` plugin into
## Usage ## Usage
> Warning: Mapping alternative ports may conflict with the active firewall installed on your server or hosting provider. Such software includes - but is not limited to - AWS Security Groups, iptables, and UFW. Please consult the documentation for those softwares as applicable. > Warning: Mapping alternative ports may conflict with the active firewall installed on your server or hosting provider. Such software includes - but is not limited to - AWS Security Groups, iptables, and UFW. Please consult the documentation for those softwares as applicable.
>
> Users should also avoid setting the `PORT` environment variable. Dokku will use port mappings to set this value. Overridng this manually may cause issues in application routing.
> New as of 0.6.0 > New as of 0.6.0