Move dkim data, vmail and dbs to volumes, changed README

data/Dockerfiles/php-fpm/Dockerfile

@@ -9,7 +9,9 @@ RUN apt-get update \
 RUN docker-php-ext-configure intl
 RUN docker-php-ext-install intl pdo pdo_mysql
 
-WORKDIR /var/www/html
+COPY ./docker-entrypoint.sh /
 
 EXPOSE 9000
+
+ENTRYPOINT ["/docker-entrypoint.sh"]
 CMD ["php-fpm"]

data/Dockerfiles/php-fpm/docker-entrypoint.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+set -e
+
+if [[ ! -d "/data/dkim/txt" || ! -d "/data/dkim/keys" ]] ; then	mkdir -p /data/dkim/{txt,keys} ; chown -R www-data:www-data /data/dkim; fi
+if [[ $(stat -c %U /data/dkim/) != "www-data" ]] ; then chown -R www-data:www-data /data/dkim ; fi
+
+exec "$@"