Remember FastCGI? (2021)

a year ago

Serverless is compared to cgi-bin and FastCGI, though not entirely accurate.
FastCGI allows longer-lived processes serving multiple requests, unlike cgi-bin which executes per request.
FastCGI is still used in the PHP community but has largely fallen out of favor.
The author experimented with FastCGI in Rust using the 'fastcgi' crate, requiring some adjustments.
A simple FastCGI server was set up and tested with nginx in Docker.
The author questioned the advantage of FastCGI over embedded web servers like Tide.
A comparison between FastCGI and Tide (HTTP server) showed Tide's simplicity and direct testing capability.
FastCGI may still be useful for scripted languages with slow/unsafe HTTP processing, but HTTP servers are generally preferred.

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