ADD docker

Author: DaveLiddament

Dockerfile

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+ARG PHP_VERSION
+FROM php:${PHP_VERSION}cli
+
+# Increase memory limit
+RUN echo 'memory_limit = -1' >> /usr/local/etc/php/conf.d/docker-php-memlimit.ini
+
+# install Composer
+COPY ./docker/composer.sh /root/
+
+RUN <<EOF
+set -eux;
+apt-get update;
+apt-get install -y  \
+    git  \
+    zip;
+rm -rf /var/lib/apt/lists/*;
+cd /root/;
+chmod 755 composer.sh;
+/root/composer.sh;
+mv /root/composer.phar /usr/local/bin/composer;
+rm /root/composer.sh;
+EOF
+
+# install Xdebug
+ARG XDEBUG_ENABLED=1
+
+RUN <<EOF
+if [ $XDEBUG_ENABLED -eq 1 ]; then
+    pecl install xdebug;
+    docker-php-ext-enable xdebug;
+fi
+EOF
+
+WORKDIR /app/

docker-compose.yaml

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+services:
+  latest:
+    build:
+      args:
+        PHP_VERSION: ""
+    tty: true
+    volumes:
+      - .:/app/
+  php80:
+    build:
+      args:
+        PHP_VERSION: "8.0-"
+    extends:
+      service: latest
+  php81:
+    build:
+      args:
+        PHP_VERSION: "8.1-"
+    extends:
+      service: latest
+  php82:
+    build:
+      args:
+        PHP_VERSION: "8.2-"
+    extends:
+      service: latest
+  php83:
+    build:
+      args:
+        PHP_VERSION: "8.3-"
+    extends:
+      service: latest
+  php84:
+    build:
+      args:
+        PHP_VERSION: "8.4-rc-"
+        XDEBUG_ENABLED: 0
+    extends:
+      service: latest

docker/composer.sh

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+#!/bin/sh
+
+# copied from https://getcomposer.org/doc/faqs/how-to-install-composer-programmatically.md
+
+EXPECTED_CHECKSUM="$(php -r 'copy("https://composer.github.io/installer.sig", "php://stdout");')"
+php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
+ACTUAL_CHECKSUM="$(php -r "echo hash_file('sha384', 'composer-setup.php');")"
+
+if [ "$EXPECTED_CHECKSUM" != "$ACTUAL_CHECKSUM" ]
+then
+    >&2 echo 'ERROR: Invalid installer checksum'
+    rm composer-setup.php
+    exit 1
+fi
+
+php composer-setup.php --quiet
+RESULT=$?
+rm composer-setup.php
+exit $RESULT