Remove default Nginx configuration on image building stage

web-nginx-mysql/centos/Dockerfile

@@ -80,6 +80,7 @@ RUN set -eux && \
             php-mysql \
             php-xml \
             supervisor && \
+    rm -f /etc/nginx/conf.d/*.conf && \
     cat /usr/share/zabbix/include/locales.inc.php | grep display | grep true | awk '{$1=$1};1' | \
                 cut -d"'" -f 2 | sort | \
                 xargs -I '{}' bash -c 'echo "{}" && localedef -c -i {} -f UTF-8 {}.UTF-8 2>/dev/null' && \