Fix gd/freetype configuration issues

The rack drawing module was not working correctly
(got PHP Fatal error: Call to undefined function imagettftext).

Author: pierrecdn

Dockerfile

@@ -7,12 +7,13 @@ ENV WEB_REPO /var/www/html
 
 # Install required deb packages
 RUN apt-get update && apt-get -y upgrade && \
-    apt-get install -y php-pear php5-curl php5-mysql php5-json php5-gmp php5-mcrypt php5-ldap php5-gd php-net-socket libgmp-dev libmcrypt-dev libpng12-dev libldap2-dev && \
+    apt-get install -y php-pear php5-curl php5-mysql php5-json php5-gmp php5-mcrypt php5-ldap php5-gd php-net-socket libgmp-dev libmcrypt-dev libpng12-dev libfreetype6-dev libjpeg-dev libpng-dev libldap2-dev && \
     rm -rf /var/lib/apt/lists/*
 
 # Configure apache and required PHP modules
 RUN docker-php-ext-configure mysqli --with-mysqli=mysqlnd && \
     docker-php-ext-install mysqli && \
+    docker-php-ext-configure gd --enable-gd-native-ttf --with-freetype-dir=/usr/include/freetype2 --with-png-dir=/usr/include --with-jpeg-dir=/usr/include && \
     docker-php-ext-install gd && \
     docker-php-ext-install sockets && \
     docker-php-ext-install pdo_mysql && \