fpm.conf

[csgodealing]

user = william
group = william

listen = /run/php/php7-csgodealing.sock

listen.owner = www-data
listen.group = www-data

pm = dynamic
pm.max_children = 5
pm.start_servers = 2
pm.min_spare_servers = 1
pm.max_spare_servers = 3

nginx.conf

server {
    listen 80;

    root /home/william/Projetos/csgodealing/csgodealing-site/public;
    index index.php index.html index.htm;

    server_name csgodealing.dev;

    location / {
        try_files $uri $uri/ /index.php?$query_string;
    }

    error_page 404 /404.html;
    error_page 500 502 503 504 /50x.html;
    location = /50x.html {
        root /usr/share/nginx/html;
    }

    location ~ \.php$ {
        try_files $uri =404;
        fastcgi_split_path_info ^(.+\.php)(/.+)$;
        fastcgi_pass unix:/run/php/php7-csgodealing.sock;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        include fastcgi_params;
    }
}