Fixings for offical-images

- Fixed *.sh mode
- Removed label
- Fixed RUN settings
- Removed superfluous debMultiarch

Dockerfile-debian.template

@@ -1,5 +1,4 @@
 FROM php:%%PHP_VERSION%%-%%VARIANT%%-stretch
-LABEL maintainer="Philipp Holzer <admin@philipp.info>"
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
@@ -44,9 +43,6 @@ RUN set -ex; \
         curl \
         libzip-dev \
     ; \
-    \
-    debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)"; \
-    \
     docker-php-ext-configure gd \
         --with-gd \
         --with-freetype-dir=/usr/include/ \
@@ -97,7 +93,8 @@ RUN set -ex; \
     rm -rf /var/lib/apt/lists/*
 
 # set recommended PHP.ini settings
-RUN { \
+RUN set -ex; \
+    { \
         echo 'opcache.enable=1' ; \
         echo 'opcache.interned_strings_buffer=8'; \
         echo 'opcache.max_accelerated_files=10000'; \
@@ -127,7 +124,6 @@ ENV FRIENDICA_ADDONS %%VERSION%%
 
 COPY *.sh upgrade.exclude /
 COPY config/* /usr/src/friendica/config/
-RUN chmod +x /*.sh
 
 ENTRYPOINT ["/entrypoint.sh"]
 CMD ["%%CMD%%"]