Fixup the Dockerfile format

Author: williamdes

docker/Dockerfile

@@ -7,14 +7,15 @@ ARG VERSION_RANGE
 ARG GIST_REVISION="462a4fde9c82f4e0b028e35c751625d278d8303c"
 ARG GIST_URL="https://gist.githubusercontent.com/williamdes/883f2158f17e9ed5a83d892ada56f5df/raw/${GIST_REVISION}/upgradephpmyadmin.sh"
 
-RUN curl -# -o ./upgradephpmyadmin.sh "${GIST_URL}"; \
-    && chmod +x ./upgradephpmyadmin.sh; \
-    && echo "Version-range: ${VERSION_RANGE}"; \
-    && ./upgradephpmyadmin.sh /var/www/ www-data www-data "${VERSION_RANGE}+snapshot" html; \
-    && export CONFIG_FILE="/var/www/html/libraries/vendor_config.php"; \
-    && if [ ! -f $CONFIG_FILE ]; then export CONFIG_FILE="/var/www/html/app/vendor_config.php"; fi; \
+RUN set -eux; \
+    curl -# -o ./upgradephpmyadmin.sh "${GIST_URL}"; \
+    chmod +x ./upgradephpmyadmin.sh; \
+    echo "Version-range: ${VERSION_RANGE}"; \
+    ./upgradephpmyadmin.sh /var/www/ www-data www-data "${VERSION_RANGE}+snapshot" html; \
+    export CONFIG_FILE="/var/www/html/libraries/vendor_config.php"; \
+    if [ ! -f $CONFIG_FILE ]; then export CONFIG_FILE="/var/www/html/app/vendor_config.php"; fi; \
     # Source: https://github.com/phpmyadmin/docker/blob/905cae841eff6eb0d24755435f44e26af0488093/apache/Dockerfile#L112-L115
-    && grep -q -F "'configFile' => ROOT_PATH . 'config.inc.php'," $CONFIG_FILE; \
-    && sed -i "s@'configFile' => .*@'configFile' => '/etc/phpmyadmin/config.inc.php',@" $CONFIG_FILE; \
-    && grep -q -F "'configFile' => '/etc/phpmyadmin/config.inc.php'," $CONFIG_FILE; \
-    && php -l $CONFIG_FILE;
+    grep -q -F "'configFile' => ROOT_PATH . 'config.inc.php'," $CONFIG_FILE; \
+    sed -i "s@'configFile' => .*@'configFile' => '/etc/phpmyadmin/config.inc.php',@" $CONFIG_FILE; \
+    grep -q -F "'configFile' => '/etc/phpmyadmin/config.inc.php'," $CONFIG_FILE; \
+    php -l $CONFIG_FILE;