diff --git a/Dockerfile b/Dockerfile
index e6e92e0..72a01be 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,6 +3,7 @@
 ARG ENV
 ENV DEPLOY_HOOK="/app/nginx/reload.sh"
 ENV TLDEXTRACT_CACHE_PATH=/data/lexicon_tld_set
+ENV DNSROBOCERT="enable"
 
 RUN if [ "$ENV" = "rex" ]; then echo "Change depends" \
     && pip config set global.index-url http://192.168.200.26:13141/root/pypi/+simple \
diff --git a/docker/entrypoint.sh b/docker/entrypoint.sh
index a9236ab..cc4903e 100755
--- a/docker/entrypoint.sh
+++ b/docker/entrypoint.sh
@@ -25,8 +25,13 @@ done
 
 # start plush worker
 /usr/local/bin/python -m plush worker start
+
 # start dnsrobocert service
-/usr/local/bin/dnsrobocert --config /config/dnsrobocert.yml --directory /data/dnsrobocert
+if [ "$DNSROBOCERT" = "enable" ]; then
+    /usr/local/bin/dnsrobocert --config /config/dnsrobocert.yml --directory /data/dnsrobocert;
+else
+    python;
+fi
 
 # for dev
 if [ "$ENV" = "rex" ]; then python; fi