[UPD] ansible-lint

.ansible-lint

+---
+warn_list:  # or 'skip_list' to silence them completely
+    - git-latest  # Git checkouts must contain explicit version
+    - ignore-errors  # Use failed_when and specify error conditions instead of using ignore_errors
+    - no-changed-when  # Commands should not change things if nothing needs doing
+    - no-handler  # Tasks that run when changed should likely be handlers
+    - package-latest  # Package installs should not use latest

.yamllint

+---
+# Based on ansible-lint config
+extends: default
+
+rules:
+    braces:
+        max-spaces-inside: 1
+        level: error
+    brackets:
+        max-spaces-inside: 1
+        level: error
+    colons:
+        max-spaces-after: -1
+        level: error
+    commas:
+        max-spaces-after: -1
+        level: error
+    # comments enable
+    comments: enable
+    comments-indentation: enable
+    document-start: enable
+    empty-lines:
+        max: 3
+        level: error
+    hyphens:
+        level: error
+    indentation:
+        level: warning
+        indent-sequences: consistent
+        spaces: 4
+        check-multi-line-strings: true
+    key-duplicates: enable
+    line-length: disable
+    new-line-at-end-of-file: enable
+    new-lines:
+        type: unix
+    # trailing-spaces enable
+    trailing-spaces: enable
+    truthy: enable

handlers/main.yml

 ---
 
-- name: start etherpad docker
-  docker_compose:
+- name: Start etherpad docker
+  community.docker.docker_compose:
       project_src: /home/docker/etherpad
   async: 120
   poll: 10

meta/main.yml

 ---
 galaxy_info:
-  author: Rémi
+    author: lefilament
     description: Role for deploying Etherpad with Docker
     company: Le Filament (https://le-filament.com)
     license: AGPL-3.0-or-later
-  min_ansible_version: 2.1
+    min_ansible_version: "2.1"
     platforms:
         - name: Ubuntu
           versions:

tasks/main.yml

 ---
 
-- name: create Etherpad docker structure on server in /home/docker/etherpad
-  file:
+- name: Create Etherpad docker structure on server in /home/docker/etherpad
+  ansible.builtin.file:
       name: /home/docker/etherpad
       state: directory
       owner: root
@@ -9,8 +9,8 @@
       mode: '0755'
 
 ## Install Etherpad docker
-- name: copy Dockerfile
-  copy:
+- name: Copy Dockerfile
+  ansible.builtin.copy:
       src: Dockerfile
       dest: /home/docker/etherpad/Dockerfile
       owner: root
@@ -18,18 +18,18 @@
       mode: '0644'
 
 - name: Install etherpad docker
-  template:
+  ansible.builtin.template:
       src: etherpad.yaml.j2
       dest: /home/docker/etherpad/docker-compose.yaml
       owner: root
       group: root
       mode: '0400'
   notify:
-    - start etherpad docker
+      - Start etherpad docker
 
 ## Backup Etherpad section
 - name: Install Etherpad backup compose file
-  template:
+  ansible.builtin.template:
       src: backup.yaml.j2
       dest: /home/docker/backups/backup-etherpad.yaml
       owner: root
@@ -38,7 +38,7 @@
   when: inventory_hostname in groups['maintenance_contract']
 
 - name: Install Etherpad backup2 compose file
-  template:
+  ansible.builtin.template:
       src: backup2.yaml.j2
       dest: /home/docker/backups/backup2-etherpad.yaml
       owner: root
@@ -46,17 +46,16 @@
       mode: '0400'
   when: inventory_hostname in groups['maintenance_contract']
 
-
-- name: add cron job to run backup every day
-  cron:
+- name: Add cron job to run backup every day
+  ansible.builtin.cron:
       name: backup etherpad
       minute: "50"
       hour: "03"
       job: /usr/bin/docker-compose -f /home/docker/backups/backup-etherpad.yaml run --rm backup_etherpad
   when: inventory_hostname in groups['maintenance_contract']
 
-- name: add cron job to run backup2 every day
-  cron:
+- name: Add cron job to run backup2 every day
+  ansible.builtin.cron:
       name: backup2 etherpad
       minute: "00"
       hour: "01"