Dockerfile

FROM php:8-cli-buster

ENV DEBIAN_FRONTEND noninteractive

RUN apt update && \
    apt-get upgrade -y && \
    apt install -y build-essential libperl-dev gdb wget && \
    rm -rf /var/lib/apt/lists/*

# pecl always removes the source and there doesn't appear to be an option to
# disable that (PECL_Common destructor doesn't check config)
RUN docker-php-source extract
RUN mkdir /pecl
WORKDIR /pecl
RUN pecl download xdebug-3.0.4
RUN tar -xf xdebug-3.0.4.tgz
RUN mv /pecl/xdebug-3.0.4 /usr/src/php/ext/xdebug
RUN docker-php-ext-configure xdebug --enable-xdebug-dev
RUN docker-php-ext-install xdebug

WORKDIR /perl
RUN wget http://deb.debian.org/debian/pool/main/p/perl/perl_5.28.1.orig.tar.xz
RUN tar -xf perl_5.28.1.orig.tar.xz

WORKDIR /php-ext-perl

RUN useradd -u 1000 php
USER php