The requested PHP extension ext-gd * is missing from your system. Install or enable PHP's gd extension. code example

Example 1: phpoffice/phpspreadsheet[1.1.0, ..., 1.15.0] require ext-gd * -> it is missing from your system. Install or enable PHP's gd extension

composer require "ext-gd:*" --ignore-platform-reqs

Example 2: Install or enable PHP's gd extension

apt-get install php-gd

Example 3: - The requested PHP extension ext-http * is missing from your system. Install or enable PHP's http extension.

find "ext-http": "*" in  composer.json and remve it