Laravel App inside Laravel App Nginx Config

# tested on mac
server {
    server_name main-app.dev;
    root /var/www/projects/main/public;


    add_header X-Frame-Options "SAMEORIGIN";
    add_header X-XSS-Protection "1; mode=block";
    add_header X-Content-Type-Options "nosniff";

    index index.html index.htm index.php;
    charset utf-8;
    # sub_directory
    location ^~ /sub-app {
      alias /var/www/projects/sub/public;
      try_files $uri $uri/ @sub;

        location ~ \.php {
            fastcgi_split_path_info ^(.+\.php)(/.+)$;
            fastcgi_pass 127.0.0.1:9000;
            fastcgi_index index.php;
            fastcgi_read_timeout 30000;
            include fastcgi_params;
            fastcgi_param SCRIPT_FILENAME /var/www/projects/sub/public/index.php;
        }
        access_log off;
        error_log  /var/www/projects/sub/storage/log/error.log error;
    }

    location @sub {
       rewrite /sub/(.*)$ /sub/index.php?/$1 last;
    }
  # end sub_directory

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

    location = /favicon.ico { access_log off; log_not_found off; }
    location = /robots.txt  { access_log off; log_not_found off; }

    access_log off;
    error_log  /var/www/projects/main/storage/log/error.log error;

    error_page 404 /index.php;

    location ~ \.php$ {
        fastcgi_split_path_info ^(.+\.php)(/.+)$;
        fastcgi_pass 127.0.0.1:9000;
        fastcgi_index index.php;
        fastcgi_read_timeout 30000;
        include fastcgi_params;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_param PATH_INFO $fastcgi_path_info;
    }

    location ~ /\.(?!well-known).* {
        deny all;
    }
}