Updated to alpine 3.11

Minimal mariadb config for installation

New version with Alpine 3.10.2

Removes unnecessary packages

New version with Alpine 3.9

I updated the Dockerfile with Alpine Linux 3.9 also every packages inside.

• apache 2.4
• php 7.2
• mariadb 10.3

Details:

apache2-2.4.39-r0
apache2-utils-2.4.39-r0
mariadb-10.3.13-r0
mariadb-client-10.3.13-r0
mariadb-common-10.3.13-r0
php7-7.2.17-r0
php7-apache2-7.2.17-r0
php7-bz2-7.2.17-r0
php7-common-7.2.17-r0
php7-ctype-7.2.17-r0
php7-curl-7.2.17-r0
php7-dom-7.2.17-r0
php7-gd-7.2.17-r0
php7-iconv-7.2.17-r0
php7-intl-7.2.17-r0
php7-json-7.2.17-r0
php7-mbstring-7.2.17-r0
php7-mysqli-7.2.17-r0
php7-mysqlnd-7.2.17-r0
php7-opcache-7.2.17-r0
php7-openssl-7.2.17-r0
php7-pdo-7.2.17-r0
php7-pdo_mysql-7.2.17-r0
php7-pecl-apcu-5.1.16-r0
php7-pecl-mcrypt-1.0.1-r1
php7-pecl-xdebug-2.6.1-r2
php7-phar-7.2.17-r0
php7-session-7.2.17-r0
php7-tokenizer-7.2.17-r0
php7-xml-7.2.17-r0
php7-zip-7.2.17-r0