Opencart Nginx Config

upstream examplecombackend {
server unix:/var/run/php-fcgi-examplecom.sock;
}

server {
listen 80;
server_name example.com;
root /var/www/vhosts/example.com/htdocs;
index index.php index.html;

access_log /var/www/vhosts/example.com/access.log;
error_log /var/www/vhosts/example.com/error.log warn;

location /image/data {
autoindex on;
}
location /admin {
index index.php;
}
location / {
try_files $uri @opencart;
index index.php index.html;
}
location @opencart {
rewrite ^/(.+)$ /index.php?_route_=$1 last;
}

# Make sure files with the following extensions do not get loaded by nginx because nginx would display the source code, and these files can contain PASSWORDS!
location ~* \.(engine|inc|info|install|make|module|profile|test|po|sh|.*sql|theme|tpl(\.php)?|xtmpl)$|^(\..*|Entries.*|Repository|Root|Tag|Template)$|\.php_ {
deny all;
}
# Deny all attempts to access hidden files such as .htaccess, .htpasswd, .DS_Store (Mac).
location ~ /\. {
deny all;
access_log off;
log_not_found off;
}
location ~*  \.(jpg|jpeg|png|gif|css|js|ico)$ {
expires max;
log_not_found off;
}
location ~ \.php$ {
root /var/www/vhosts/example.com/htdocs;
try_files $uri =404;
fastcgi_pass examplecombackend;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
include fastcgi_params;
}
}