update startup

rootfs/usr/local/bin/startup

@@ -1,4 +1,10 @@
 #!/bin/sh
+
+addgroup -g ${GID} web && adduser -H -s /bin/sh -D -G web -u ${UID} web
+
+chown -R web:web /nginx /php /etc/s6.d /piwik /config /var/log /tmp /usr/share/GeoIP
+chmod +x /etc/s6.d/*/run /etc/s6.d/.s6-svscan/finish
+
 sed -i -e "s/<UPLOAD_MAX_SIZE>/$UPLOAD_MAX_SIZE/g" /nginx/conf/nginx.conf /php/etc/php-fpm.conf \
        -e "s/<MEMORY_LIMIT>/$MEMORY_LIMIT/g" /php/etc/php-fpm.conf \
        -e "s/<OPCACHE_MEM_SIZE>/$OPCACHE_MEM_SIZE/g" /php/conf.d/opcache.ini
@@ -9,5 +15,10 @@ fi
 
 ln -s /config/config.ini.php /piwik/config/config.ini.php
 mv piwik fix && mv fix piwik # fix strange bug
-chown -R $UID:$GID /piwik /config /var/log /php /nginx /tmp /usr/share/GeoIP /etc/s6.d
-exec su-exec $UID:$GID /bin/s6-svscan /etc/s6.d
+
+if [ '$@' == '' ]; then
+    exec su-exec web:web /bin/s6-svscan /etc/s6.d
+else
+    exec su-exec web:web "$@"
+fi
+