Testing using before install command

Dockerfile

@@ -2,9 +2,8 @@ FROM ubuntu:18.04
 USER root
 WORKDIR /var/www
 
-# MySQL 5.7 (Homefully not version 8...)
+# Installing needed packages
-RUN DEBIAN_FRONTEND=noninteractive \
+RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
-    apt-get update && apt-get install -y --no-install-recommends \
     mysql-server \
     nginx \
     php-fpm \