BUG: xdebug can't be install

[YevheniiVolosiuk]

Steps To Reproduce

Open Docker and WSL 2
Install fresh new laravel project
Add to Dockerfile install xdebug RUN install-php-extensions xdebug
Build image
Go to php container and run php -v and look if xdebug in info message or not

Also for check can be run

php -r "printf('xDebug does%s exists.' . PHP_EOL, 
extension_loaded('xdebug') ? '' : 'n\'t');"

Outcome

What did you expect?

xdebug to be installed

What happened instead?

When I run for check if's installed and enebled it return info "xDebug doesn't exists."

Affected Docker Images

I am using FROM serversideup/php:8.4-fpm-nginx-alpine

Anything else?

My Dockerfile

############################################
# Base Image
############################################

# Learn more about the Server Side Up PHP Docker Images at:
# https://serversideup.net/open-source/docker-php/
FROM serversideup/php:8.4-fpm-nginx-alpine AS base

## Uncomment if you need to install additional PHP extensions
# USER root
# RUN install-php-extensions bcmath gd

############################################
# Development Image
############################################
FROM base AS development

# We can pass USER_ID and GROUP_ID as build arguments
# to ensure the www-data user has the same UID and GID
# as the user running Docker.
ARG USER_ID
ARG GROUP_ID

# Switch to root so we can set the user ID and group ID
USER root

RUN install-php-extensions xdebug

# Set the user ID and group ID for www-data
RUN docker-php-serversideup-set-id www-data $USER_ID:$GROUP_ID  && \
    docker-php-serversideup-set-file-permissions --owner $USER_ID:$GROUP_ID --service nginx

# Copy custom xdebug configuration
COPY ./.infrastructure/conf/php/xdebug.ini /usr/local/etc/php/conf.d/xdebug.ini

# Drop privileges back to www-data
USER www-data

############################################
# CI image
############################################
FROM base AS ci

# Sometimes CI images need to run as root
# so we set the ROOT user and configure
# the PHP-FPM pool to run as www-data
USER root
RUN echo "user = www-data" >> /usr/local/etc/php-fpm.d/docker-php-serversideup-pool.conf && \
    echo "group = www-data" >> /usr/local/etc/php-fpm.d/docker-php-serversideup-pool.conf

############################################
# Production Image
############################################
FROM base AS deploy
COPY --chown=www-data:www-data . /var/www/html

# Create the SQLite directory and set the owner to www-data (remove this if you're not using SQLite)
RUN mkdir -p /var/www/html/.infrastructure/volume_data/sqlite/ && \
    chown -R www-data:www-data /var/www/html/.infrastructure/volume_data/sqlite/

USER www-data