nginx.conf

server {
    listen 80;

    server_name seedbox.athorcis.ovh;
    root /var/www/athorrent/public;

    server_tokens off;

    location / {
        # try to serve file directly, fallback to index.php
        try_files $uri /index.php$is_args$args;
    }

    # optionally disable falling back to PHP script for the asset directories;
    # nginx will return a 404 error when files are not found instead of passing the
    # request to Symfony (improves performance but Symfony's 404 page is not displayed)
    location /build {
        try_files $uri =404;
        access_log off;
        expires max;
        add_header Cache-Control "public";
    }

    location /user-files/ {
        alias /var/www/athorrent/var/user/;

		sendfile on;
		aio threads;
		tcp_nopush on;
        directio       512;
        output_buffers 1 2M;

		internal;
    }

    location ~ ^/index\.php(/|$) {
        # when PHP-FPM is configured to use TCP
        fastcgi_pass athorrent-php:9000;

        fastcgi_split_path_info ^(.+\.php)(/.*)$;
        include fastcgi_params;

        # optionally set the value of the environment variables used in the application
        fastcgi_param  HTTP_X-Sendfile-Type     X-Accel-Redirect;
        fastcgi_param  HTTP_X-Accel-Mapping    /var/www/athorrent/var/user/=/user-files/;

        # When you are using symlinks to link the document root to the
        # current version of your application, you should pass the real
        # application path instead of the path to the symlink to PHP
        # FPM.
        # Otherwise, PHP's OPcache may not properly detect changes to
        # your PHP files (see https://github.com/zendtech/ZendOptimizerPlus/issues/126
        # for more information).
        # Caveat: When PHP-FPM is hosted on a different machine from nginx
        #         $realpath_root may not resolve as you expect! In this case try using
        #         $document_root instead.
        fastcgi_param SCRIPT_FILENAME $realpath_root$fastcgi_script_name;
        fastcgi_param DOCUMENT_ROOT $realpath_root;
        # Prevents URIs that include the front controller. This will 404:
        # http://example.com/index.php/some-path
        # Remove the internal directive to allow URIs like this
        internal;
    }

    # return 404 for all other php files not matching the front controller
    # this prevents access to other php files you don't want to be accessible.
    location ~ \.php$ {
        return 404;
    }
}