Add container image location to README

README.rst

@@ -50,7 +50,15 @@ Setup
 Using Docker
 ------------
 
-To get you up and running with the latest build of Karapace, a docker setup is available::
+To get you up and running with the latest build of Karapace, a docker image is available::
+
+  # Fetch the latest build from main branch
+  docker pull ghcr.io/aiven/karapace:develop
+
+  # Fetch the latest release
+  docker pull ghcr.io/aiven/karapace:latest
+
+An example setup including configuration and Kafka connection is available as docker-compose example::
 
     docker-compose -f ./container/docker-compose.yml up -d