Migrate to bigger Hetzner server

roles/docker/tasks/main.yml

@@ -1,107 +1,94 @@
 ---
-- name: Docker installation for Ubuntu distribution
-  block:
+- name: Ensure docker packages are not present
+  apt:
+    state: absent
+    name: ['docker', 'docker-engine', 'docker.io']
 
-  - name: Ensure docker packages are not present
-    apt:
-      state: absent
-      name: ['docker', 'docker-engine', 'docker.io']
+- name: Install docker package dependencies
+  apt:
+    state: latest
+    name: ['apt-transport-https', 'ca-certificates']
+    update_cache: yes
+    cache_valid_time: 86400
+  register: result
+  retries: 3
+  until: result is success
 
-  - name: Install docker package dependencies
-    apt:
-      state: latest
-      name: ['apt-transport-https', 'ca-certificates', 'curl', 'software-properties-common']
-      update_cache: yes
-      cache_valid_time: 86400
-    register: result
-    retries: 3
-    until: result is success
+- name: Adding Docker official gpg key
+  apt_key:
+    url: "{{ docker_apt_key }}"
+    id: 9DC858229FC7DD38854AE2D88D81803C0EBFCD88
+    state: present
 
-  - name: Adding Docker official gpg key
-    apt_key:
-      url: "{{ docker_apt_key }}"
-      state: present
+- name: Setting Docker repository depending on arch
+  set_fact:
+    docker_repository: "deb [arch={{ item.apt_arch }}] {{ docker_apt_repository }} {{ ansible_distribution_release }} {{ docker_apt_channel }}"
+  when: ansible_architecture == item.system_arch
+  with_items:
+    - { system_arch: 'x86_64', apt_arch: 'amd64' }
+    - { system_arch: 'arm', apt_arch: 'armhf' }
 
-  - name: Setting Docker repository depending on arch
-    set_fact:
-      docker_repository: "deb [arch={{ item.apt_arch }}] {{ docker_apt_repository }} {{ ansible_distribution_release }} {{ docker_apt_channel }}"
-    when: ansible_architecture == item.system_arch
-    with_items:
-      - { system_arch: 'x86_64', apt_arch: 'amd64' }
-      - { system_arch: 'arm', apt_arch: 'armhf' }
+- name: Printing Docker repository
+  debug:
+    var: docker_repository
 
-  - name: Printing Docker repository
-    debug:
-      var: docker_repository
+- name: Adding Docker repository
+  apt_repository:
+    repo: "{{ docker_repository }}"
+    state: present
+    update_cache: true
 
-  - name: Adding Docker repository
-    apt_repository:
-      repo: "{{ docker_repository }}"
-      state: present
-      filename: 'docker'
+- name: Install Docker.
+  package:
+    name: docker-ce
+    state: present
+  notify: restart docker
 
-  - name: Explicitly create docker0
-    shell: |
-      ip link add name docker0 type bridge || true
-      ip addr add dev docker0 172.17.0.1/16 || true
-    changed_when: no
+- name: Ensure containerd service dir exists.
+  file:
+    path: /etc/systemd/system/containerd.service.d
+    state: directory
 
-  - name: Install docker-ce
-    apt:
-      name: docker-ce={{ docker_version }}
-      update_cache: yes
-    register: result
-    retries: 3
-    until: result is success
+- name: Add shim to ensure Docker can start in all environments.
+  template:
+    src: override.conf.j2
+    dest: /etc/systemd/system/containerd.service.d/override.conf
+  register: override_template
 
-  - name: Pin docker-ce release
-    copy:
-      dest: /etc/apt/preferences.d/docker-ce
-      content: |
-        Package: docker-ce
-        Pin: version {{ docker_version }}
-        Pin-Priority: 1002
+- name: Reload systemd daemon if template is changed.
+  systemd:
+    daemon_reload: true
+  when: override_template is changed
 
-  - name: Fixing systemd unit for Docker config file
-    template:
-      src: docker.service.j2
-      dest: /lib/systemd/system/docker.service
-    notify: reload systemd
+- name: Ensure Docker is started and enabled at boot.
+  service:
+    name: docker
+    state: started
+    enabled: true
 
-  - name: Create docker config directory
-    file:
-      path: /etc/docker
-      mode: 0700
-      recurse: yes
+- name: Ensure handlers are notified now to avoid firewall conflicts.
+  meta: flush_handlers
 
-  - name: Templating /etc/docker/daemon.json
-    template:
-      src: daemon.json.j2
-      dest: /etc/docker/daemon.json
-    notify: restart docker
+- name: Install python3-pip
+  apt:
+    name: python3-pip
+    state: latest
+    cache_valid_time: 86400
+  register: result
+  retries: 3
+  until: result is success
 
-  - name: Flushing handlers 2
-    meta: flush_handlers
 
-  - name: Getting Docker version
-    shell: "docker --version"
-    register: docker_version
-    changed_when: no
+- name: Install docker-compose package dependencies
+  apt:
+    state: latest
+    name: python3-setuptools
+    update_cache: yes
+    cache_valid_time: 86400
+  register: result
+  retries: 3
+  until: result is success
 
-  - name: Install python3-pip
-    apt:
-      name: python3-pip
-      state: latest
-      cache_valid_time: 3600
-    register: result
-    retries: 3
-    until: result is success
-
-  - name: Install docker-compose
-    pip:
-      name: docker-compose
-
-  - name: Printing Docker version
-    debug: var=docker_version
-
-  when: ansible_distribution == "Ubuntu"
+- name: Install docker-compose
+  pip:
+    name: docker-compose