Added ldap to base image

Dockerfile

@@ -3,7 +3,7 @@
 
 FROM php:7.2-fpm
 
-RUN apt-get update && apt-get install -y openssh-server ssmtp libpq-dev unzip git libssl1.0-dev && rm -rf /var/lib/apt/lists/* /tmp/* \
+RUN apt-get update && apt-get install -y openssh-server ssmtp libpq-dev unzip git libssl1.0-dev libldap-dev && rm -rf /var/lib/apt/lists/* /tmp/* \
 	&& useradd -c "Hosting Admin User" -u 1000 -g users -G www-data -d /var/www/html -M lamp \
 	&& sed -i -e 's/^mailhub=mail$/mailhub=smtp/' -e "s/^hostname=/#hostname=/" -e 's/#FromLineOverride=YES/FromLineOverride=YES/' /etc/ssmtp/ssmtp.conf
 
@@ -12,7 +12,7 @@ RUN (cd / && patch -p0 ) < /tmp/sshd_config.patch && rm /tmp/sshd_config.patch
 
 EXPOSE 9000/tcp 22/tcp
 
-RUN docker-php-ext-install -j$(nproc) pdo_mysql pdo_pgsql
+RUN docker-php-ext-install -j$(nproc) pdo_mysql pdo_pgsql ldap
 RUN curl https://getcomposer.org/installer|php -- --install-dir=/usr/local/bin --filename=composer
 
 COPY start /usr/local/sbin