A way to customize some headers

Probably best to have a controlled list, but some examples that would be awesome

• Cache-control: means the sites performance can be massively improved - would be great to have this at a global level, so i can setup my gitlab instance behind a CDN and have all pages cached
• Content-Security-Policy
• Strict-Transport-Security
• X-XSS-Protection
• Referrer-Policy

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Server global settings

• Configuring headers for self-managed instances installed via Omnibus, you can add headers to your gitlab.rb file

gitlab_pages['headers'] = []

• For source installations you can specify multiple -header flags when running the Pages binary

./gitlab-pages -header "header-1: value-1" -header "header-2: value-2

• Currently, it is not possible to specify custom headers per project.
• It is not possible to set on GitLab.com