diff --git a/.ansible-lint b/.ansible-lint
new file mode 100644
index 0000000..4778564
--- /dev/null
+++ b/.ansible-lint
@@ -0,0 +1,2 @@
+skip_list:
+  - '306'
diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
new file mode 100644
index 0000000..96b4938
--- /dev/null
+++ b/.github/FUNDING.yml
@@ -0,0 +1,4 @@
+# These are supported funding model platforms
+---
+github: geerlingguy
+patreon: geerlingguy
diff --git a/.github/stale.yml b/.github/stale.yml
new file mode 100644
index 0000000..c7ff127
--- /dev/null
+++ b/.github/stale.yml
@@ -0,0 +1,56 @@
+# Configuration for probot-stale - https://github.com/probot/stale
+
+# Number of days of inactivity before an Issue or Pull Request becomes stale
+daysUntilStale: 90
+
+# Number of days of inactivity before an Issue or Pull Request with the stale label is closed.
+# Set to false to disable. If disabled, issues still need to be closed manually, but will remain marked as stale.
+daysUntilClose: 30
+
+# Only issues or pull requests with all of these labels are check if stale. Defaults to `[]` (disabled)
+onlyLabels: []
+
+# Issues or Pull Requests with these labels will never be considered stale. Set to `[]` to disable
+exemptLabels:
+  - pinned
+  - security
+  - planned
+
+# Set to true to ignore issues in a project (defaults to false)
+exemptProjects: false
+
+# Set to true to ignore issues in a milestone (defaults to false)
+exemptMilestones: false
+
+# Set to true to ignore issues with an assignee (defaults to false)
+exemptAssignees: false
+
+# Label to use when marking as stale
+staleLabel: stale
+
+# Limit the number of actions per hour, from 1-30. Default is 30
+limitPerRun: 30
+
+pulls:
+  markComment: |-
+    This pull request has been marked 'stale' due to lack of recent activity. If there is no further activity, the PR will be closed in another 30 days. Thank you for your contribution!
+
+    Please read [this blog post](https://www.jeffgeerling.com/blog/2020/enabling-stale-issue-bot-on-my-github-repositories) to see the reasons why I mark pull requests as stale.
+
+  unmarkComment: >-
+    This pull request is no longer marked for closure.
+
+  closeComment: >-
+    This pull request has been closed due to inactivity. If you feel this is in error, please reopen the pull request or file a new PR with the relevant details.
+
+issues:
+  markComment: |-
+    This issue has been marked 'stale' due to lack of recent activity. If there is no further activity, the issue will be closed in another 30 days. Thank you for your contribution!
+
+    Please read [this blog post](https://www.jeffgeerling.com/blog/2020/enabling-stale-issue-bot-on-my-github-repositories) to see the reasons why I mark issues as stale.
+
+  unmarkComment: >-
+    This issue is no longer marked for closure.
+
+  closeComment: >-
+    This issue has been closed due to inactivity. If you feel this is in error, please reopen the issue or file a new issue with the relevant details.
diff --git a/.travis.yml b/.travis.yml
index a8851b7..a0001c3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,16 +6,16 @@ env:
   global:
     - ROLE_NAME: docker
   matrix:
+    - MOLECULE_DISTRO: centos8
     - MOLECULE_DISTRO: centos7
     - MOLECULE_DISTRO: ubuntu1804
     - MOLECULE_DISTRO: ubuntu1604
-    - MOLECULE_DISTRO: ubuntu1404
+    - MOLECULE_DISTRO: debian10
     - MOLECULE_DISTRO: debian9
-    - MOLECULE_DISTRO: fedora27
 
 install:
   # Install test dependencies.
-  - pip install molecule docker
+  - pip install molecule yamllint ansible-lint docker
 
 before_script:
   # Use actual Ansible Galaxy role name for the project directory.
diff --git a/molecule/default/yaml-lint.yml b/.yamllint
similarity index 100%
rename from molecule/default/yaml-lint.yml
rename to .yamllint
diff --git a/README.md b/README.md
index 390e3ce..bbd8c12 100644
--- a/README.md
+++ b/README.md
@@ -42,8 +42,8 @@ Docker Compose installation options.
 (Used only for Debian/Ubuntu.) You can switch the channel to `edge` if you want to use the Edge release.
 
     docker_yum_repo_url: https://download.docker.com/linux/centos/docker-{{ docker_edition }}.repo
-    docker_yum_repo_enable_edge: 0
-    docker_yum_repo_enable_test: 0
+    docker_yum_repo_enable_edge: '0'
+    docker_yum_repo_enable_test: '0'
     docker_yum_gpg_key: https://download.docker.com/linux/centos/gpg
 
 (Used only for RedHat/CentOS.) You can enable the Edge or Test repo by setting the respective vars to `1`.
diff --git a/defaults/main.yml b/defaults/main.yml
index 74b1770..7fba2ba 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -23,8 +23,8 @@ docker_apt_gpg_key: https://download.docker.com/linux/ubuntu/gpg
 
 # Used only for RedHat/CentOS/Fedora.
 docker_yum_repo_url: https://download.docker.com/linux/{{ (ansible_distribution == "Fedora") | ternary("fedora","centos") }}/docker-{{ docker_edition }}.repo
-docker_yum_repo_enable_edge: 0
-docker_yum_repo_enable_test: 0
+docker_yum_repo_enable_edge: '0'
+docker_yum_repo_enable_test: '0'
 docker_yum_gpg_key: https://download.docker.com/linux/centos/gpg
 
 # A list of users who will be added to the docker group.
diff --git a/meta/main.yml b/meta/main.yml
index 0dfa4cd..82065cd 100644
--- a/meta/main.yml
+++ b/meta/main.yml
@@ -10,18 +10,17 @@ galaxy_info:
   platforms:
     - name: EL
       versions:
-        - 6
         - 7
+        - 8
     - name: Fedora
       versions:
         - all
     - name: Debian
       versions:
-        - jessie
         - stretch
+        - buster
     - name: Ubuntu
       versions:
-        - trusty
         - xenial
         - bionic
   galaxy_tags:
diff --git a/molecule/default/playbook.yml b/molecule/default/converge.yml
similarity index 100%
rename from molecule/default/playbook.yml
rename to molecule/default/converge.yml
diff --git a/molecule/default/molecule.yml b/molecule/default/molecule.yml
index 2ca6fea..2da47dd 100644
--- a/molecule/default/molecule.yml
+++ b/molecule/default/molecule.yml
@@ -3,10 +3,10 @@ dependency:
   name: galaxy
 driver:
   name: docker
-lint:
-  name: yamllint
-  options:
-    config-file: molecule/default/yaml-lint.yml
+lint: |
+  set -e
+  yamllint .
+  ansible-lint
 platforms:
   - name: instance
     image: "geerlingguy/docker-${MOLECULE_DISTRO:-centos7}-ansible:latest"
@@ -17,13 +17,5 @@ platforms:
     pre_build_image: true
 provisioner:
   name: ansible
-  lint:
-    name: ansible-lint
   playbooks:
-    converge: ${MOLECULE_PLAYBOOK:-playbook.yml}
-scenario:
-  name: default
-verifier:
-  name: testinfra
-  lint:
-    name: flake8
+    converge: ${MOLECULE_PLAYBOOK:-converge.yml}
diff --git a/tasks/docker-1809-shim.yml b/tasks/docker-1809-shim.yml
deleted file mode 100644
index 286254b..0000000
--- a/tasks/docker-1809-shim.yml
+++ /dev/null
@@ -1,16 +0,0 @@
----
-- name: Ensure containerd service dir exists.
-  file:
-    path: /etc/systemd/system/containerd.service.d
-    state: directory
-
-- 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: Reload systemd daemon if template is changed.
-  systemd:
-    daemon_reload: true
-  when: override_template is changed
diff --git a/tasks/main.yml b/tasks/main.yml
index 8968c77..56449ef 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -11,10 +11,6 @@
     state: "{{ docker_package_state }}"
   notify: restart docker
 
-# TODO: Remove this shim once 18.09.1 or later is released.
-- import_tasks: docker-1809-shim.yml
-  when: ansible_service_mgr == 'systemd'
-
 - name: Ensure Docker is started and enabled at boot.
   service:
     name: docker
diff --git a/tasks/setup-Debian.yml b/tasks/setup-Debian.yml
index dfd886c..b106944 100644
--- a/tasks/setup-Debian.yml
+++ b/tasks/setup-Debian.yml
@@ -11,6 +11,7 @@
     name:
       - apt-transport-https
       - ca-certificates
+      - gnupg2
     state: present
 
 - name: Add Docker apt key.
@@ -26,8 +27,7 @@
   when: add_repository_key is failed
 
 - name: Add Docker apt key (alternative for older systems without SNI).
-  shell: |
-    set -o pipefail
+  shell: >
     curl -sSL {{ docker_apt_gpg_key }}  | sudo apt-key add -
   args:
     warn: false
diff --git a/tasks/setup-RedHat.yml b/tasks/setup-RedHat.yml
index bbeeda4..800c0bc 100644
--- a/tasks/setup-RedHat.yml
+++ b/tasks/setup-RedHat.yml
@@ -33,3 +33,9 @@
     section: 'docker-{{ docker_edition }}-test'
     option: enabled
     value: '{{ docker_yum_repo_enable_test }}'
+
+- name: Install containerd separately (CentOS 8).
+  package:
+    name: https://download.docker.com/linux/centos/7/x86_64/stable/Packages/containerd.io-1.2.6-3.3.el7.x86_64.rpm
+    state: present
+  when: ansible_distribution_major_version | int == 8
diff --git a/templates/override.conf.j2 b/templates/override.conf.j2
deleted file mode 100644
index adab53c..0000000
--- a/templates/override.conf.j2
+++ /dev/null
@@ -1,3 +0,0 @@
-# {{ ansible_managed }}
-[Service]
-ExecStartPre=