Hello,

I am looking into streamlining our nginx maintenance page check logic.
In the nginx.org documentation there is an example usage for
try_files with a maintenance page.

http://nginx.org/en/docs/http/ngx_http_core_module.html#try_files

<example>
location / {
try_files /system/maintenance.html
$uri $uri/index.html $uri.html
@mongrel;
}

location @mongrel {
proxy_pass http://mongrel;
}
</example>

This works, but when the maintenance page is activated it returns an
http status code of 200 instead of a 503.

What works for me on our site is something like this:

<example>
location / {
if (-f /system/maintenance.html) {
return 503;
break;
}

try_files /system/maintenance.html
$uri $uri/index.html $uri.html
@mongrel;
}

location @mongrel {
proxy_pass http://mongrel;
}

error_page 503 /system/maintenance.html;

location = /system/maintenance.html {
root /app;
}
</example>


Is it possible to remove the "if return 503" logic and have the
try_files logic from the nginx documentation, but have nginx return a
503 when the maintenance page is found?

I have a number of location directives that all have this "if return
503" logic and would like to reduce this duplication.

Thanks,
Zev

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