Include php-simplexml in Docker image

Composer 2.0 is now blocking everything if requirements are not met

diff --git a/Dockerfile b/Dockerfile
index e2ff71fde5971c7803b6b8d60d498765b4680116..f6120b71f2b1d4507cd46dcaf7ebf09934d98139 100644 (file)
--- a/Dockerfile
+++ b/Dockerfile
@@ -44,6 +44,7 @@ RUN apk --update --no-cache add \
         php7-openssl \
         php7-session \
         php7-xml \
+        php7-simplexml \
         php7-zlib \
         s6