Support gd extension.

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

php-fpm/Dockerfile-55

@@ -9,13 +9,21 @@ RUN apt-get update && apt-get install -y \
     libpq-dev \
     libmemcached-dev \
     curl \
+    libpng12-dev \
+    libfreetype6-dev \
     --no-install-recommends \
     && rm -r /var/lib/apt/lists/*
 
+# configure gd library
+RUN docker-php-ext-configure gd \
+    --enable-gd-native-ttf \
+    --with-freetype-dir=/usr/include/freetype2
+
 # Install extensions using the helper script provided by the base image
 RUN docker-php-ext-install \
     pdo_mysql \
-    pdo_pgsql
+    pdo_pgsql \
+    gd
 
 # Install memcached
 RUN pecl install memcached \

php-fpm/Dockerfile-56

@@ -9,13 +9,21 @@ RUN apt-get update && apt-get install -y \
     libpq-dev \
     libmemcached-dev \
     curl \
+    libpng12-dev \
+    libfreetype6-dev \
     --no-install-recommends \
     && rm -r /var/lib/apt/lists/*
 
+# configure gd library
+RUN docker-php-ext-configure gd \
+    --enable-gd-native-ttf \
+    --with-freetype-dir=/usr/include/freetype2
+
 # Install extensions using the helper script provided by the base image
 RUN docker-php-ext-install \
     pdo_mysql \
-    pdo_pgsql
+    pdo_pgsql \
+    gd
 
 # Install memcached
 RUN pecl install memcached \

php-fpm/Dockerfile-70

@@ -9,13 +9,21 @@ RUN apt-get update && apt-get install -y \
     libpq-dev \
     libmemcached-dev \
     curl \
+    libpng12-dev \
+    libfreetype6-dev \
     --no-install-recommends \
     && rm -r /var/lib/apt/lists/*
 
+# configure gd library
+RUN docker-php-ext-configure gd \
+    --enable-gd-native-ttf \
+    --with-freetype-dir=/usr/include/freetype2
+
 # Install extensions using the helper script provided by the base image
 RUN docker-php-ext-install \
     pdo_mysql \
-    pdo_pgsql
+    pdo_pgsql \
+    gd
 
 # Install Memcached for php 7
 RUN curl -L -o /tmp/memcached.tar.gz "https://github.com/php-memcached-dev/php-memcached/archive/php7.tar.gz" \