message: these changed from MYSQL_ to MARIADB_
diff: @@ -16,9 +16,9 @@ ENV TMPDIR=/tmp TMP=/tmp HOME=/home ENV=/home/.bashrc BASH_ENV=/home/.bashrc
  MAINTAINER amazee.io
  ENV BACKUPS_DIR="/var/lib/mysql/backup"
  -ENV MYSQL_DATABASE=lagoon \
  - MYSQL_USER=lagoon \
  - MYSQL_PASSWORD=lagoon
  +ENV MARIADB_DATABASE=lagoon \
  + MARIADB_USER=lagoon \
  + MARIADB_PASSWORD=lagoon
  RUN apk add --no-cache bash mariadb-client mariadb mariadb-common pwgen && rm -rf /var/cache/apk/*
  