Add Drupal 10 variant and improve build

Author: Sergey-Orlov

drupal10/Dockerfile

@@ -1,5 +1,6 @@
 FROM alpine:3.20
 
+ARG PHP=php83
 ARG BUILD_DATE
 ARG VCS_REF
 
@@ -9,44 +10,42 @@ LABEL org.label-schema.build-date=$BUILD_DATE \
   org.label-schema.name="docker-phpcs-drupal" \
   org.label-schema.description="PHP codesniffer for Drupal - phpcs & phpcbf" \
   org.label-schema.vcs-url="https://github.com/skilld-labs/docker-phpcs-drupal" \
-  maintainer="Andriy Yun , Andy Postnikov , Sergey Orlov"
+  maintainer="Andriy Yun, Andy Postnikov, Sergey Orlov"
 
 RUN set -e \
-  && apk add --no-cache \
+  && apk upgrade --update-cache -a && apk add \
   curl \
   git \
   patch \
-  php83 \
-  php83-apcu \
-  php83-ctype \
-  php83-json \
-  php83-mbstring \
-  php83-opcache \
-  php83-openssl \
-  php83-phar \
-  php83-simplexml \
-  php83-tokenizer \
-  php83-xmlwriter \
-  php83-zlib;
-
-RUN ln -s $(which php8) /usr/local/bin/php \
+  ${PHP} \
+  ${PHP}-apcu \
+  ${PHP}-ctype \
+  ${PHP}-json \
+  ${PHP}-mbstring \
+  ${PHP}-opcache \
+  ${PHP}-openssl \
+  ${PHP}-phar \
+  ${PHP}-simplexml \
+  ${PHP}-tokenizer \
+  ${PHP}-xmlwriter \
+  ${PHP}-zip \
+  && rm -fr /var/cache/apk/* \
+  && ln -fs $(which ${PHP}) /usr/bin/php \
   && curl -sS https://getcomposer.org/installer | php -- --filename=composer --install-dir=/usr/bin \
   && composer global config --no-plugins allow-plugins.dealerdirect/phpcodesniffer-composer-installer true \
-  && composer global require drupal/coder --update-no-dev --no-suggest --prefer-dist ^8.3 \
-  && composer global require squizlabs/php_codesniffer \
+  && composer global require drupal/coder -o --apcu-autoloader --update-no-dev --no-suggest --prefer-dist ^8.3 \
   && ln -s /root/.composer/vendor/bin/phpcs /usr/bin/phpcs \
   && ln -s /root/.composer/vendor/bin/phpcbf /usr/bin/phpcbf \
-  # Clone coder sniffs into the codesniffer sniffs directory.
+  # Link coder sniffs into the codesniffer sniffs directory.
   && ln -s /root/.composer/vendor/drupal/coder/coder_sniffer/Drupal /root/.composer/vendor/squizlabs/php_codesniffer/src/Standards/Drupal \
   && ln -s /root/.composer/vendor/drupal/coder/coder_sniffer/DrupalPractice /root/.composer/vendor/squizlabs/php_codesniffer/src/Standards/DrupalPractice \
   # Removing packages which needed only during the installation.
-  && apk del --no-cache git \
+  && apk del --no-network --purge git \
   # Clear composer cache - it will just take space.
   && rm -rf /root/.composer/cache/* \
-  # Sniffs could take much time, we will set unlimited time for PHP execution
-  && sed -i "s/.*memory_limit = .*/memory_limit = -1/" /etc/php83/php.ini
+  # Sniffs could take memory, set unlimited to be customized by end-user
+  && sed -i "s/.*memory_limit = .*/memory_limit = -1/" /etc/${PHP}/php.ini
 
-VOLUME /work
 WORKDIR /work
 
 CMD ["phpcs", "--standard=Drupal,DrupalPractice", "."]