diff --git a/documentation/docker.md b/documentation/docker.md
index 0b66c3e4..a6aa0b22 100644
--- a/documentation/docker.md
+++ b/documentation/docker.md
@@ -21,8 +21,18 @@ Create an access token on your hub.docker.com account, then use
 `sudo docker login --username johnxlivingston` to add your credentials.
 
 ```shell
+# pull the current peertube production image:
+sudo docker pull chocobozzz/peertube:production-buster
 # build the docker image, if not done yet:
 sudo docker build . -f docker/Dockerfile.buster
+# list images to find the image id:
+sudo docker images
+#REPOSITORY            TAG                 IMAGE ID       CREATED          SIZE
+#<none>                <none>              0209eea56505   17 seconds ago   1.19GB
+#chocobozzz/peertube   production-buster   4af03ae51fd2   4 days ago       1.17GB
+
+# tag the image:
+sudo docker tag 0209eea56505 johnxlivingston/peertubelivechat:production-buster
 # push on the main tag name:
 sudo docker push johnxlivingston/peertubelivechat:production-buster
 # push on the current peertube tag name: