Custom header plugin
Similarly to “home” plugin customizations, the shared Backstage header can also be customized in a dynamic plugin.
The source code for the current DevPortal header is at VeeCode Homepage
Source code
The source code for the current DevPortal header plugin is at VeeCode Header Plugin
RHDH Header docs
The VeeCode header plugin is based on the RHDH header plugin, so you can refer to the RHDH Header docs for more information.