Improve installation of default MediaWiki for WMF development, testing and production environments as well as 3rd parties (ARCHIVED)

From atwg
Description Implement fixes needed to support the default installation on for environments based on the 3rd party and default MediaWiki research tasks
Associated Outputs [[Output:5.1|]]
Type Development
Primary Team RelEng
Collaborating Teams Bryan Davis, MediaWiki Platform
Start Year
End Year
Duration (months) 6
Depends On Tasks Define the default MediaWiki installation (ARCHIVED),Research 3rd party installations, uses, and contributions (ARCHIVED)
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Notes I don't think we have full consensus on single-process LAMP vs node js helpers etc.