update docker

Dockerfile

@@ -1,6 +1,10 @@
 FROM richarvey/nginx-php-fpm:1.5.3
 COPY ./ /var/www/html/
 
+RUN apk update
+RUN apk add openldap-dev
+RUN docker-php-ext-install ldap
+
 RUN chmod -R 777 /var/www/html/
 RUN mkdir /showdoc_data
 RUN mkdir /showdoc_data/html