diff --git a/.yamllint b/.yamllint
new file mode 100644
index 0000000..7aeec5a
--- /dev/null
+++ b/.yamllint
@@ -0,0 +1,6 @@
+---
+extends: default
+rules:
+  line-length:
+    max: 200
+    level: warning
diff --git a/molecule/default/converge.yml b/molecule/default/converge.yml
new file mode 100644
index 0000000..dad331d
--- /dev/null
+++ b/molecule/default/converge.yml
@@ -0,0 +1,12 @@
+---
+- name: Converge
+  hosts: all
+  become: true
+
+  pre_tasks:
+    - name: Update apt cache.
+      apt: update_cache=yes cache_valid_time=600
+      when: ansible_os_family == 'Debian'
+
+  roles:
+    - role: geerlingguy.docker