Added APCu to php images

Author: cableman

php5.6-fpm/Dockerfile

@@ -41,6 +41,7 @@ RUN DEBIAN_FRONTEND=noninteractive \
     php${PHP_VERSION}-intl \
     php${PHP_VERSION}-bcmath \
     php-imagick \
+    php-apcu \
     php-memcached \
     php-redis \
     mysql-client \

php7.0-fpm/Dockerfile

@@ -31,6 +31,7 @@ RUN DEBIAN_FRONTEND=noninteractive \
     php${PHP_VERSION}-intl \
     php${PHP_VERSION}-bcmath \
     php${PHP_VERSION}-sqlite3 \
+    php-apcu \
     php-imagick \
     php-xdebug \
     php-pear \

php7.2-fpm/Dockerfile

@@ -35,6 +35,7 @@ RUN DEBIAN_FRONTEND=noninteractive \
     php-imagick \
     php-memcached \
     php-pear \
+    php-apcu \
     libmcrypt-dev \
     libreadline-dev \
     mysql-client \

php7.3-fpm/Dockerfile

@@ -48,6 +48,7 @@ RUN DEBIAN_FRONTEND=noninteractive \
     php-imagick \
     php-memcached \
     php-pear \
+    php-apcu \
     libmcrypt-dev \
     libreadline-dev \
     mysql-client \