Make Dockerfile compatible with PHPUnit 9

stephandesouza · stephandesouza · commit c9eba5511819 · 2021-01-15T09:47:55.000-03:00
diff --git a/Dockerfile b/Dockerfile
@@ -1,5 +1,5 @@
-ARG PHP_VERSION=7.2
-ARG COMPOSER_VERSION=1.8
+ARG PHP_VERSION=7.3
+ARG COMPOSER_VERSION=2.0
 
 FROM composer:${COMPOSER_VERSION}
 FROM php:${PHP_VERSION}-cli
