Upgrade to PHP v7.1.2

Author: rtucek

Dockerfile

@@ -14,7 +14,7 @@ LABEL \
 
 ENV \
     NGINX_VERSION=1.11.9 \
-    PHP_VERSION=7.1.1 \
+    PHP_VERSION=7.1.2 \
     XDEBUG_VERSION=2.5.0 \
     VERSION=${VERSION}