[PHP] Update base to Alpine 3.24, build PECL extensions from GitHub

data/Dockerfiles/phpfpm/Dockerfile

@@ -1,4 +1,4 @@
-FROM php:8.2-fpm-alpine3.21
+FROM php:8.2-fpm-alpine3.24
 
 LABEL maintainer = "The Infrastructure Company GmbH <info@servercow.de>"
 
@@ -47,6 +47,7 @@ RUN apk add -U --no-cache autoconf \
   libressl-dev \
   librsvg \
   libtool \
+  libwebp \
   libwebp-dev \
   libxml2-dev \
   libxpm \
@@ -63,13 +64,16 @@ RUN apk add -U --no-cache autoconf \
   samba-client \
   zlib-dev \
   tzdata \
-  && pecl install APCu-${APCU_PECL_VERSION} \
-  && pecl install imagick-${IMAGICK_PECL_VERSION} \
-  && pecl install mailparse-${MAILPARSE_PECL_VERSION} \
-  && pecl install memcached-${MEMCACHED_PECL_VERSION} \
-  && pecl install redis-${REDIS_PECL_VERSION} \
-  && docker-php-ext-enable apcu imagick memcached mailparse redis \
-  && pecl clear-cache \
+  && docker-php-source extract \
+  # PECL extensions from their GitHub tags (pecl.php.net is not reliable enough for builds)
+  && mkdir -p /usr/src/php/ext/apcu /usr/src/php/ext/imagick /usr/src/php/ext/mailparse /usr/src/php/ext/memcached /usr/src/php/ext/redis \
+  && curl -fsSL https://github.com/krakjoe/apcu/archive/refs/tags/v${APCU_PECL_VERSION}.tar.gz | tar -xz --strip-components=1 -C /usr/src/php/ext/apcu \
+  && curl -fsSL https://github.com/Imagick/imagick/archive/refs/tags/${IMAGICK_PECL_VERSION}.tar.gz | tar -xz --strip-components=1 -C /usr/src/php/ext/imagick \
+  && sed -i "s/@PACKAGE_VERSION@/${IMAGICK_PECL_VERSION}/" /usr/src/php/ext/imagick/php_imagick.h \
+  && curl -fsSL https://github.com/php/pecl-mail-mailparse/archive/refs/tags/v${MAILPARSE_PECL_VERSION}.tar.gz | tar -xz --strip-components=1 -C /usr/src/php/ext/mailparse \
+  && curl -fsSL https://github.com/php-memcached-dev/php-memcached/archive/refs/tags/v${MEMCACHED_PECL_VERSION}.tar.gz | tar -xz --strip-components=1 -C /usr/src/php/ext/memcached \
+  && curl -fsSL https://github.com/phpredis/phpredis/archive/refs/tags/${REDIS_PECL_VERSION}.tar.gz | tar -xz --strip-components=1 -C /usr/src/php/ext/redis \
+  && docker-php-ext-install -j 4 apcu imagick mailparse memcached redis \
   && docker-php-ext-configure intl \
   && docker-php-ext-configure exif \
   && docker-php-ext-configure gd --with-freetype=/usr/include/ \  
@@ -83,6 +87,7 @@ RUN apk add -U --no-cache autoconf \
   && curl --silent --show-error https://getcomposer.org/installer | php -- --version=${COMPOSER_VERSION} \
   && mv composer.phar /usr/local/bin/composer \
   && chmod +x /usr/local/bin/composer \
+  && docker-php-source delete \
   && apk del --purge autoconf \
     aspell-dev \
     cyrus-sasl-dev \

data/conf/phpfpm/php-conf.d/other.ini

@@ -1,3 +1,5 @@
 max_execution_time = 3600
 max_input_time = 3600
 memory_limit = 512M
+; not used by mailcow, disabled as hardening (PHP security release 2026-10-21)
+session.upload_progress.enabled = Off