how to add an image CDN server for prestashop 1.7 in nginx

server {
large_client_header_buffers 4 32k;
listen 80;
root /var/www/html;
server_name cdn.jhhearingaids.com;
index index.php index.html;

rewrite ^/api/?(.*)$ /webservice/dispatcher.php?url=$1 last;
rewrite ^/([0-9])(-[_a-zA-Z0-9-]*)?(-[0-9]+)?/.+\.jpg$ /img/p/$1/$1$2.jpg.webp last;
# try_files ^/([0-9])(-[_a-zA-Z0-9-]*)?(-[0-9]+)?/.+\.jpg$ /img/p/$1/$1$2.jpg$webp_suffix /img/p/$1/$1$2.jpg$;

rewrite ^/([0-9])([0-9])(-[_a-zA-Z0-9-]*)?(-[0-9]+)?/.+\.jpg$ /img/p/$1/$2/$1$2$3.jpg.webp last;
rewrite ^/([0-9])([0-9])([0-9])(-[_a-zA-Z0-9-]*)?(-[0-9]+)?/.+\.jpg$ /img/p/$1/$2/$3/$1$2$3$4.jpg.webp last;
rewrite ^/([0-9])([0-9])([0-9])([0-9])(-[_a-zA-Z0-9-]*)?(-[0-9]+)?/.+\.jpg$ /img/p/$1/$2/$3/$4/$1$2$3$4$5.jpg.webp last;
rewrite ^/([0-9])([0-9])([0-9])([0-9])([0-9])(-[_a-zA-Z0-9-]*)?(-[0-9]+)?/.+\.jpg$ /img/p/$1/$2/$3/$4/$5/$1$2$3$4$5$6.jpg.webp last;
rewrite ^/([0-9])([0-9])([0-9])([0-9])([0-9])([0-9])(-[_a-zA-Z0-9-]*)?(-[0-9]+)?/.+\.jpg$ /img/p/$1/$2/$3/$4/$5/$6/$1$2$3$4$5$6$7.jpg.webp last;
rewrite ^/([0-9])([0-9])([0-9])([0-9])([0-9])([0-9])([0-9])(-[_a-zA-Z0-9-]*)?(-[0-9]+)?/.+\.jpg$ /img/p/$1/$2/$3/$4/$5/$6/$7/$1$2$3$4$5$6$7$8.jpg.webp last;
rewrite ^/([0-9])([0-9])([0-9])([0-9])([0-9])([0-9])([0-9])([0-9])(-[_a-zA-Z0-9-]*)?(-[0-9]+)?/.+\.jpg$ /img/p/$1/$2/$3/$4/$5/$6/$7/$8/$1$2$3$4$5$6$7$8$9.jpg.webp last;
rewrite ^/c/([0-9]+)(-[_a-zA-Z0-9-]*)(-[0-9]+)?/.+\.jpg$ /img/c/$1$2.jpg.webp last;
rewrite ^/c/([a-zA-Z-]+)(-[0-9]+)?/.+\.jpg$ /img/c/$1.jpg.webp last;
rewrite ^/([0-9]+)(-[_a-zA-Z0-9-]*)(-[0-9]+)?/.+\.jpg$ /img/c/$1$2.jpg.webp last;
try_files $uri $uri/ /index.php?$args;

location ~* ^.+\.(jpe?g|png) {
add_header Cache-Control “public, no-transform”;
add_header Vary “Accept-Encoding”;
try_files $uri$webp_suffix $uri @amazon;
expires max;
}

# location / {
# proxy_pass http://amazon.jhhearingaids.com;
# try_files $uri$webp_suffix $uri @amazon;
# }

location @amazon {
rewrite ^/(.*)$ https://amazon.jhhearingaids.com/$1; #jump to orgainal source
}

}