Small fix

Dockerfile

@@ -22,7 +22,8 @@ ENV LANG=en_US.UTF-8 LANGUAGE=en_US:en LC_ALL=en_US.UTF-8 DEBIAN_FRONTEND=nonint
 
 ARG ONLYOFFICE_VALUE=onlyoffice
 
-RUN echo "#!/bin/sh\nexit 0" > /usr/sbin/policy-rc.d && \
+RUN set -eux && \
+    echo "#!/bin/sh\nexit 0" > /usr/sbin/policy-rc.d && \
     apt-get -y update && \
     apt-get -yq install wget apt-transport-https gnupg locales lsb-release && \
     wget -q -O /etc/apt/sources.list.d/mssql-release.list https://packages.microsoft.com/config/ubuntu/$BASE_VERSION/prod.list && \
@@ -110,7 +111,8 @@ ENV COMPANY_NAME=$COMPANY_NAME \
     PRODUCT_EDITION=$PRODUCT_EDITION \
     DS_DOCKER_INSTALLATION=true
 
-RUN PACKAGE_FILE="${COMPANY_NAME}-${PRODUCT_NAME}${PRODUCT_EDITION}${PACKAGE_VERSION:+_$PACKAGE_VERSION}_${TARGETARCH:-$(dpkg --print-architecture)}.deb" && \
+RUN set -eux && \
+    env PACKAGE_FILE="${COMPANY_NAME}-${PRODUCT_NAME}${PRODUCT_EDITION}${PACKAGE_VERSION:+_$PACKAGE_VERSION}_${TARGETARCH:-$(dpkg --print-architecture)}.deb" && \
     wget -q -P /tmp "$PACKAGE_BASEURL/$PACKAGE_FILE" && \
     apt-get -y update && \
     service postgresql start && \

production.dockerfile

@@ -26,7 +26,8 @@ ARG DS_SUPERVISOR_CONF=/etc/supervisor/conf.d/ds.conf
 
 ### Remove all documentserver-example data ###
 
-RUN    rm -rf /var/www/$COMPANY_NAME/$PRODUCT_NAME-example \
+RUN set -eux && \
+    rm -rf /var/www/$COMPANY_NAME/$PRODUCT_NAME-example \
     && rm -rf /etc/$COMPANY_NAME/$PRODUCT_NAME-example \
     && rm -f $DS_SUPERVISOR_CONF \ 
     && rm -f /etc/nginx/includes/ds-example.conf \