Merge pull request #693 from hnrd/fix/php7.2

Build docker images on PHP 7.2 base image

README.md

@@ -17,7 +17,7 @@ there is a stable release**. The following setup instructions are intended for
 testing and development.
 
 ## Requirements
- - PHP >= 7.1.3 (7.2+ recommended for stable version)
+ - PHP >= 7.1.3 < 7.3 (7.2.x recommended for stable version)
  - MySQL >= 5.7, Postgres (MariaDB and sqlite are not supported yet)
  - Redis
  - Composer

contrib/docker/Dockerfile.apache

@@ -1,4 +1,4 @@
-FROM php:7-apache
+FROM php:7.2-apache
 
 ARG COMPOSER_VERSION="1.6.5"
 ARG COMPOSER_CHECKSUM="67bebe9df9866a795078bb2cf21798d8b0214f2e0b2fd81f2e907a8ef0be3434"

contrib/docker/Dockerfile.fpm

@@ -1,4 +1,4 @@
-FROM php:7-fpm
+FROM php:7.2-fpm
 
 ARG COMPOSER_VERSION="1.6.5"
 ARG COMPOSER_CHECKSUM="67bebe9df9866a795078bb2cf21798d8b0214f2e0b2fd81f2e907a8ef0be3434"