How to make nginx access symbolic path without permission issue

I created a symbolic link path in nginx server side which reference to my documents directory.

[user1@localhost ~]$ groups http // -> nginx user
user1 http

[user1@localhost nginx] sudo ln -s ~/Documents/nginx-sites/app /user/share/nginx/app
[user1@localhost nginx] ls
lrwxrwxrwx 1 root root   37 Sep 21 14:58 app -> /home/user1/Documents/nginx-sites/app

[user1@localhost nginx] ls -l ~/Documents/nginx-sites/app
drwxr-xr-x  7 user1 user1   4096 Sep 20 21:19 app
-rwxr-xr-x  1 user1 user1   1686 Sep 20 21:19 artisan
drwxr-xr-x  3 user1 user1   4096 Sep 20 21:19 bootstrap
drwxr-xr-x  2 maxtt maxtt   4096 Sep 20 21:19 public
...

[user1@localhost nginx] cat /etc/nginx/nginx.conf
server {
    listen  [::]:80;
    server_name  localhost;
    root /usr/share/nginx;
    index index.html index.htm index.php;

    #access_log  logs/host.access.log  main;


    location ~ \.php$ {
        try_files $fastcgi_script_name =404;
        
        #default fastcgi_params
        include fastcgi_params;

        fastcgi_pass                unix:/run/php-fpm/php-fpm.sock;
        fastcgi_index               index.php;
        fastcgi_buffers             8 16k;
        fastcgi_buffer_size         32k;

        fastcgi_param DOCUMENT_ROOT         $realpath_root;
        fastcgi_param SCRIPT_FILENAME       $realpath_root$fastcgi_script_name;
    }
}

However, nginx user seem like unable to access that files (permission denied). Nginx log file as below:

2022/09/21 13:35:20 [error] 20547#20547: *3 open() "/usr/share/nginx/app/public" failed (13: Permission denied), client: 127.0.0.1, server: localhost, request: "GET /app/public HTTP/1.1", host: "localhost"

How can i get rid issue above, I had been add http user into user1 group, all directory have read and execute permission, but still fails. Is something wrong with my configuration ?

Here's the following that I tried, hope it show some tips to tell more

[user1@localhost nginx]$ sudo -u http stat app/public
stat: cannot statx 'app/public': Permission denied

[user1@localhost nginx]$ sudo -u http stat app
 File: app -> /home/user1/Documents/nginx-sites/app
  Size: 37              Blocks: 0          IO Block: 4096   symbolic link
Device: 259,2   Inode: 13375664    Links: 1
Access: (0777/lrwxrwxrwx)  Uid: (    0/    root)   Gid: (    0/    root)
...

[user1@localhost nginx]$ cd app
[user1@localhost app]$ sudo -u http stat public
File: public
  Size: 4096            Blocks: 8          IO Block: 4096   directory
Device: 259,2   Inode: 11015535    Links: 2
Access: (0755/drwxr-xr-x)  Uid: ( 1001/   user1)   Gid: ( 1002/   user1)
...