Uniformisation avec les autres dockers ubuntu

Dockerfile

@@ -1,7 +1,9 @@
 FROM "php:7.1-apache"
 MAINTAINER "Julien Cabillot <dockerimages@cabillot.eu>"
 
-RUN sed -i'' 's/ServerSignature On/ServerSignature Off/; s/ServerTokens OS/ServerTokens Prod/' "/etc/apache2/conf-enabled/security.conf" && \
+
+RUN export DEBIAN_FRONTEND="noninteractive" && \
+    sed -i'' 's/ServerSignature On/ServerSignature Off/; s/ServerTokens OS/ServerTokens Prod/' "/etc/apache2/conf-enabled/security.conf" && \
     sed -i'' 's/^Listen 80$/Listen 8080/' "/etc/apache2/ports.conf" && \
     sed -i'' 's/^<VirtualHost \*:80>$/<VirtualHost *:8080>/' '/etc/apache2/sites-enabled/000-default.conf' && \
     echo "RemoteIPHeader X-Forwarded-For\nRemoteIPProxiesHeader X-Forwarded-By" > "${APACHE_CONFDIR}/conf-available/remoteip.conf" && \
@@ -10,14 +12,14 @@ RUN sed -i'' 's/ServerSignature On/ServerSignature Off/; s/ServerTokens OS/Serve
     a2enmod remoteip headers rewrite && \
     apt-get -qq --yes autoremove --purge && \
     apt-get -qq --yes clean all && \
-    rm -rf "/usr/share/doc/*" \
-       "/var/cache/*" \
-       "/var/lib/apt/lists/*" \
-       "/usr/src/*" \
-       "/var/cache/*" \
-       "/var/log/"{apt/*,dpkg.log} \
-       "/var/www/html" \
-       "/tmp/*" && \
+    rm -rf "/usr/share/doc/"* \
+           "/var/cache/"* \
+           "/var/lib/apt/lists/"* \
+           "/usr/src/"* \
+           "/var/cache/"* \
+           "/var/log/"{apt/*,dpkg.log} \
+           "/var/www/html" \
+           "/tmp/"* && \
     install --directory --group="www-data" --owner="www-data" --mode="2770" "/var/www/html" && \
     # On active les logs sur stderr (apache + php)
     sed -ri 's#^(\s*ErrorLog)\s+\S+#\1 /proc/self/fd/2#g;' "/etc/apache2/apache2.conf" && \