Apache 2.3/2.4 has a new "mod_proxy_fcgi" module. For fun (and maybe,
profit), I was experimenting in using proxy_fcgi in conjunction with
PHP-FPM instead of mod_php5 for execution of PHP scripts.
The first issue that arises is that error page generation is completely
left to PHP-FPM. Since FPM delivers error codes like 404 without any
page context, one essentially gets a blank page in browsers. It is only
wget/curl where one sees that something has yielded a 404.
Can I somehow get Apache to deliver the usual text error pages when a
FastCGI request yields a 4xx/5xx error?
Second, one needs to give the full filesystem path of the PHP script in
the FastCGI request for FPM to find it. This implies splicing
DOCUMENT_ROOT into the proxy request. "ProxyPassMatch" does not seem to
be able to do that, so I ended up with mod_rewrite up to now. (And
contrary to the Apache docs suggest, the [P] RewriteFlag is not to be
used when wanting to rewrite the protocol/host portion.)
RewriteEngine On
RewriteRule \.php$ proxy:fcgi://localhost:8002/%{DOCUMENT_ROOT}/%{SCRIPT_FILENAME}
I share the dismay you might be expressing at seeing that. Is there a
nicer way to configure accessing FPM through FastCGI?
thanks,
Jan
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