Update docs to include gotcha note
What does this MR do and why?
This MR adds a note about using arbitrary port numbers for the container registry if that registry exists behind an AWS application load balancer which only listens on ports 80/443. This is especially useful if users rely on the docker login
examples with the copy/paste icon on the registry page.
Screenshots or screen recordings
How to set up and validate locally
Add the following to /etc/gitlab/gitlab.rb
registry_external_url 'https://registry-gitlab.example.com'
registry_nginx['redirect_http_to_https'] = true
registry_nginx['listen_port'] = 4567
registry_nginx['listen_https'] = true
MR acceptance checklist
This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.
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I have evaluated the MR acceptance checklist for this MR.