Archive for March 5th, 2013

Getting CodeIgniter/Bonfire running on nginx

So… I’ve been trying CI/Bonfire as a quick PHP dev platform. Unfortunately, it’s pre-packaged for Apache’s .htaccess, so it takes a bit of configuration to get working on nginx. The following assumes PHP-FPM is actually working though.

 Installing CI/Bonfire

For some reason, the install portion has its own index.php. So the default PHP pretty URL rewriting fails – or in this case, causes infinite redirects.

The trick was to add an extra location to nginx’s config file:

# Installing Bonfire/CI requires this - install has its own index.php
     location /install/ {
       try_files $uri $uri/ /install/index.php;

Once the install is done, we can swap it out for URL rewriting:

# URL rewriting generally requires this, PHP specific
location / {
    try_files $uri $uri/ /index.php;
    allow all;

There was one extra thing necessary to do: change in the index_page variable in  bonfire/application/config/config.php. This was probably a result of my testing to try and get things working, but I had “index.php” in it, so all the generated pages had index.php/ prepended to the internal links.

Hat tip to for a good starting point

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Getting PHP-FPM running on nginx

Getting FastCGI working on nginx

I have two files – a modified version of FastCGI_params, and an extra file that contains my configuration directives for .php files.

The second file is simply named php_fastcgi and is located in the same folder as nginx.conf, and is include php_fastcgi;-d anywhere I need PHP support:

# Process PHP files with FastCGI
location ~* \.php$ {
    fastcgi_pass unix:/var/run/php-fpm/www-pool.socket;
    include /etc/nginx/fastcgi_params;

As for the fastcgi_params file, it’s slight modification of the default file, included here for simplicity:

fastcgi_param  QUERY_STRING       $query_string;
fastcgi_param  REQUEST_METHOD     $request_method;
fastcgi_param  CONTENT_TYPE       $content_type;
fastcgi_param  CONTENT_LENGTH     $content_length;

fastcgi_param  SCRIPT_NAME        $fastcgi_script_name;
fastcgi_param  REQUEST_URI        $request_uri;
fastcgi_param  DOCUMENT_URI       $document_uri;
fastcgi_param  DOCUMENT_ROOT      $document_root;
fastcgi_param  SERVER_PROTOCOL    $server_protocol;
fastcgi_param  SCRIPT_FILENAME    $document_root$fastcgi_script_name;
fastcgi_param  PATH_INFO          $fastcgi_script_name;

fastcgi_param  GATEWAY_INTERFACE  CGI/1.1;
fastcgi_param  SERVER_SOFTWARE    nginx/$nginx_version;

fastcgi_param  REMOTE_ADDR        $remote_addr;
fastcgi_param  REMOTE_PORT        $remote_port;
fastcgi_param  SERVER_ADDR        $server_addr;
fastcgi_param  SERVER_PORT        $server_port;
fastcgi_param  SERVER_NAME        $server_name;

# PHP only, required if PHP was built with --enable-force-cgi-redirect
fastcgi_param  REDIRECT_STATUS    200;

Getting PHP-FPM sessions working

The default path, /var/lib/php/sessions is – by default – owned by root, and group apache, so the nginx user can’t write to it. So we have to change the folder owner and group:

chgrp nginx /var/lib/php 
mkdir /var/lib/php/session

Alternatively, create a new directory in /tmp, something like /tmp/php-fpm, and make php-fpm the owner of that, and point php-fpm at that directory. (It would also prevent yum ever mucking with permissions on the folder, something which I’m not sure if it was just my imagination, or actually happened…)

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