split subtasks into separate files

roles/docker/tasks/install_portainer.yml

@@ -0,0 +1,11 @@
+
+- name: docker | install portainer | create directory
+  file:
+    path: "/opt/docker/portainer"
+    state: present
+    owner: "root"  # not required. Name of the user that should own the file/directory, as would be fed to I(chown).
+
+- name: docker | install portainer | docker run
+  command:
+    cmd: "docker run -d -p 8000:8000 -p 9443:9443 --name portainer --restart=always -v /var/run/docker.sock:/var/run/docker.sock -v /opt/docker/portainer/data:/data portainer/portainer:latest" # not required. The command to run.
+    creates: /opt/docker/portainer/data