nginx config for Bunny CDN

    location / {
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header Host $http_host;
        
        # Ghost on port 2368
        proxy_pass http://127.0.0.1:2368;

        # Multiple replacements
        sub_filter_once off;        
        
        # Disable gzip for sub_filter
        proxy_set_header Accept-Encoding "";
        
        # images, including srcset
        sub_filter 'https://www.mysite.com/content/images/' 'https://cdn.mysite.com/content/images/';
        
        # poster images are linked as background....
        sub_filter 'background-image:url(/content' 'background-image:url(https://cdn.mysite.com/content';
        
        # javascript files
        sub_filter '/assets/js/' 'https://cdn.mysite.com/assets/js/';
        
        # stylesheets
        sub_filter '/assets/css/' 'https://cdn.mysite.com/assets/css/';
    }