From the user’s point of view (someone developing an application), we did via shared hosting and cgi-style scripting. It doesn’t really matter what tech powered

From the user’s point of view (someone developing an application), we did via shared hosting and cgi-style scripting. It doesn’t really matter what tech powered the infrastructure as long as it worked. Putting PHP scripts on in a folder to be called at will to perform specific actions was a pattern utilized to great effect with the additional benefit of not having to wait for the function to spin up.