Added "ext-sockets" to images

Author: jsunier

README.md

@@ -26,6 +26,7 @@ List of PHP extensions installed:
 * bcmath
 * pdo
 * imagick
+* sockets
 * xdebug (2.6.1)
 
 ### Architectures available

php7.1/mysql/Dockerfile

@@ -3,7 +3,7 @@ FROM php:7.1-cli
 MAINTAINER Joël Sunier <jsunier@stogon.io>
 
 RUN apt-get update && apt-get install -yqq git curl libmcrypt-dev libjpeg-dev libpng-dev libfreetype6-dev libbz2-dev libxml2-dev libmagickwand-dev libpq-dev unzip && \
-    docker-php-ext-install mbstring pdo pdo_mysql zip iconv opcache bcmath && \
+    docker-php-ext-install mbstring pdo pdo_mysql zip iconv opcache bcmath sockets && \
     pecl install imagick xdebug-2.6.1 && \
     docker-php-ext-enable imagick xdebug && \
     apt-get clean

php7.1/postgresql/Dockerfile

@@ -3,7 +3,7 @@ FROM php:7.1-cli
 MAINTAINER Joël Sunier <jsunier@stogon.io>
 
 RUN apt-get update && apt-get install -yqq git curl libmcrypt-dev libjpeg-dev libpng-dev libfreetype6-dev libbz2-dev libxml2-dev libmagickwand-dev libpq-dev unzip && \
-    docker-php-ext-install mbstring pdo_pgsql zip iconv opcache bcmath && \
+    docker-php-ext-install mbstring pdo_pgsql zip iconv opcache bcmath sockets && \
     docker-php-ext-configure pgsql -with-pgsql=/usr/local/pgsql && \
     docker-php-ext-install pdo pdo_pgsql pgsql && \
     pecl install imagick xdebug-2.6.1 && \

php7.2/mysql/Dockerfile

@@ -3,7 +3,7 @@ FROM php:7.2-cli
 MAINTAINER Joël Sunier <jsunier@stogon.io>
 
 RUN apt-get update && apt-get install -yqq git curl libmcrypt-dev libjpeg-dev libpng-dev libfreetype6-dev libbz2-dev libxml2-dev libmagickwand-dev libpq-dev unzip && \
-    docker-php-ext-install mbstring pdo pdo_mysql zip iconv opcache bcmath && \
+    docker-php-ext-install mbstring pdo pdo_mysql zip iconv opcache bcmath sockets && \
     pecl install imagick xdebug-2.6.1 && \
     docker-php-ext-enable imagick xdebug && \
     apt-get clean

php7.2/postgresql/Dockerfile

@@ -3,7 +3,7 @@ FROM php:7.2-cli
 MAINTAINER Joël Sunier <jsunier@stogon.io>
 
 RUN apt-get update && apt-get install -yqq git curl libmcrypt-dev libjpeg-dev libpng-dev libfreetype6-dev libbz2-dev libxml2-dev libmagickwand-dev libpq-dev unzip && \
-    docker-php-ext-install mbstring pdo_pgsql zip iconv opcache bcmath && \
+    docker-php-ext-install mbstring pdo_pgsql zip iconv opcache bcmath sockets && \
     docker-php-ext-configure pgsql -with-pgsql=/usr/local/pgsql && \
     docker-php-ext-install pdo pdo_pgsql pgsql && \
     pecl install imagick xdebug-2.6.1 && \