diff --git a/config/config.go b/config/config.go
index 15c96f2f..e5c10004 100644
--- a/config/config.go
+++ b/config/config.go
@@ -72,6 +72,7 @@ var (
 	DefaultUserGroups = []string{
 		"sudo", "adm", "cdrom", "dialout",
 		"dip", "video", "plugdev", "netdev",
+		"docker", "lxd",
 	}
 )
 
diff --git a/contrib/providers.d/azure/cloudconfig/userdata.tpl b/contrib/providers.d/azure/cloudconfig/userdata.tpl
index cb9fe6ad..10ef2b51 100644
--- a/contrib/providers.d/azure/cloudconfig/userdata.tpl
+++ b/contrib/providers.d/azure/cloudconfig/userdata.tpl
@@ -17,6 +17,8 @@ system_info:
             - video
             - plugdev
             - netdev
+            - docker
+            - lxd
         sudo: ALL=(ALL) NOPASSWD:ALL
 runcmd:
     - /install_runner.sh
diff --git a/contrib/providers.d/openstack/cloudconfig/userdata.tpl b/contrib/providers.d/openstack/cloudconfig/userdata.tpl
index cb9fe6ad..10ef2b51 100644
--- a/contrib/providers.d/openstack/cloudconfig/userdata.tpl
+++ b/contrib/providers.d/openstack/cloudconfig/userdata.tpl
@@ -17,6 +17,8 @@ system_info:
             - video
             - plugdev
             - netdev
+            - docker
+            - lxd
         sudo: ALL=(ALL) NOPASSWD:ALL
 runcmd:
     - /install_runner.sh