my nginx conf

server {
        listen 443 ssl http2;
        ssl_certificate /etc/letsencrypt/live/mydomain.com/fullchain.pem; # managed by Certbot
        ssl_certificate_key /etc/letsencrypt/live/mydomain.com/privkey.pem; # managed by Certbot
        location ^/blog{
                root /var/www/html/mydomain.com/blog;
                index index.php;
                try_files $uri $uri/ /blog/index.php$is_args$args;

                location ~ \.php$ {
                        include snippets/fastcgi-php.conf;
                        fastcgi_pass unix:/run/php/php7.4-fpm.sock;
                }
        }
        root /var/www/html/mydomain.com/my_laravel/public;
        index index.php index.html index.htm;
        error_log /var/log/nginx/mydomain.com.error.log;
        server_name mydomain.com www.mydomain.com;
        location / {
                try_files $uri $uri/ /index.php?$args;
        }
        if ($http_user_agent ~* (MJ12bot|SemrushBot|AhrefsBot|DotBot) ) { return 301 http://127.0.0.1/; }
        location ~ \.php$ {
                fastcgi_split_path_info ^(.+\.php)(/.+)$;
                fastcgi_pass unix:/run/php/php7.4-mydomain.com-fpm.sock;
                fastcgi_index index.php;
                fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
                include fastcgi_params;
        }
        location = /favicon.ico {
                log_not_found off;
                access_log off;
        }
        location = /robots.txt {
                try_files $uri $uri/ /index.php?$args;
                allow all;
                log_not_found off;
                access_log off;
        }
        location ~ /\.ht {
                deny all;
        }
        location ~ /\.us {
                deny all;
        }

}
server {
    if ($host = www.mydomain.com) {
        return 301 https://$host$request_uri;
    } # managed by Certbot


    if ($host = mydomain.com) {
        return 301 https://$host$request_uri;
    } # managed by Certbot

    listen 80;
    server_name mydomain.com www.mydomain.com;
    return 404; # managed by Certbot

}