Merge pull request yii2mod#49 from yii2mod/fix-docker-configuration

Fix docker configuration

Merge pull request yii2mod#44 from yii2mod/feature-update-mysql-versi…

…on-to-5.7

Update MySQL version to 5.7, update composer.json

resolve yii2mod#37

update php version in docker, added new bash aliases

Update console.php

Update composer.json

fix migration for PostgreSQL

added docker-compose.override

add xdebug to docker

added phpmyadmin to docker