diff --git a/.drone.yml b/.drone.yml
index 38585e2..ff3f982 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -9,6 +9,7 @@ steps:
   - name: lint yaml
     image: registry.fedy95.com/baseimage-yamllint:latest
     commands:
+      - yamllint -c /yamllint/relaxed.yaml playbooks/docker-units/check.yml
       - yamllint -c /yamllint/relaxed.yaml playbooks/docker-units/init.yml
       - yamllint -c /yamllint/relaxed.yaml playbooks/k8s/init.yml
       - yamllint -c /yamllint/relaxed.yaml playbooks/k8s-dev/init.yml
diff --git a/Makefile b/Makefile
index d8b499f..2a4faf7 100644
--- a/Makefile
+++ b/Makefile
@@ -9,6 +9,7 @@ lint: lint-yaml
 LINT-YAML-CMD=docker run --rm -it -v $(PWD):/data ${REGISTRY}/${YAMLLINT_TAG}
 lint-yaml:
 	docker pull ${REGISTRY}/${YAMLLINT_TAG}
+	$(LINT-YAML-CMD) playbooks/docker-units/check.yml
 	$(LINT-YAML-CMD) playbooks/docker-units/init.yml
 	$(LINT-YAML-CMD) playbooks/k8s/init.yml
 	$(LINT-YAML-CMD) playbooks/k8s-dev/init.yml
@@ -34,6 +35,9 @@ check-playbooks-syntax:
 docker-units-init:
 	ansible-playbook playbooks/docker-units/init.yml -i inventory/hosts --ask-become-pass
 
+docker-units-check:
+	ansible-playbook playbooks/docker-units/check.yml -i inventory/hosts --ask-become-pass
+
 k8s-units-init:
 	ansible-playbook playbooks/k8s/init.yml -i inventory/hosts --ask-become-pass
 
diff --git a/playbooks/docker-units/check.yml b/playbooks/docker-units/check.yml
new file mode 100644
index 0000000..f90ccde
--- /dev/null
+++ b/playbooks/docker-units/check.yml
@@ -0,0 +1,10 @@
+---
+- name: docker-units playbook check containers
+  hosts: docker-units
+  tasks:
+    - name: List containers
+      command: "docker ps"
+      register: docker_ps
+
+    - debug: msg="{{ docker_ps.stdout }}"
+...