diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000..468a01d
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,82 @@
+---
+stages:
+  - verify
+  - test-default
+  - test-with-custom-config
+
+image:
+  name: registry.ednz.fr/forge/ansible-runner
+
+variables:
+  ANSIBLE_HOST_KEY_CHECKING: 'false'
+  ANSIBLE_FORCE_COLOR: 'true'
+  ANSIBLE_PYTHON_INTERPRETER: /usr/bin/python3
+  DOCKER_AUTH_CONFIG: $CI_DOCKER_AUTH_CONFIG
+
+.stage-test-default:
+  stage: test-default
+
+.stage-test-with-custom-config:
+  stage: test-with-custom-config
+
+.variables-ubuntu-2004:
+  variables:
+    MOLECULE_TEST_OS: "ubuntu2004"
+
+.variables-ubuntu-2204:
+  variables:
+    MOLECULE_TEST_OS: "ubuntu2204"
+
+.variables-debian-11:
+  variables:
+    MOLECULE_TEST_OS: "debian11"
+
+.script-molecule-test-default:
+  script:
+    - molecule test
+
+.script-molecule-test-with-custom-config:
+  script:
+    - molecule test -s with_custom_config
+
+ansible-verify:
+  stage: verify
+  script:
+    - yamllint . -c .yamllint
+    - ansible-lint
+
+ansible-test-ubuntu-2004-default:
+  extends:
+    - .stage-test-default
+    - .variables-ubuntu-2004
+    - .script-molecule-test-default
+
+ansible-test-ubuntu-2204-default:
+  extends:
+    - .stage-test-default
+    - .variables-ubuntu-2204
+    - .script-molecule-test-default
+
+ansible-test-debian-11-default:
+  extends:
+    - .stage-test-default
+    - .variables-debian-11
+    - .script-molecule-test-default
+
+ansible-test-ubuntu-2004-with-custom-config:
+  extends:
+    - .stage-test-with-custom-config
+    - .variables-ubuntu-2004
+    - .script-molecule-test-with-custom-config
+
+ansible-test-ubuntu-2204-with-custom-config:
+  extends:
+    - .stage-test-with-custom-config
+    - .variables-ubuntu-2204
+    - .script-molecule-test-with-custom-config
+
+ansible-test-debian-11-with-custom-config:
+  extends:
+    - .stage-test-with-custom-config
+    - .variables-debian-11
+    - .script-molecule-test-with-custom-config
diff --git a/README.md b/README.md
index d835682..d8b6859 100644
--- a/README.md
+++ b/README.md
@@ -48,6 +48,11 @@ install_docker_users: [] #by default, set to []
 ```
 This variable is a list of users to add to the docker group, so that they can perform docker related tasks, without requiring privilege escalation.
 
+```yaml
+install_docker_daemon_options: {} # by default, set to {}
+```
+This variable defines the parameters to append to the daemon.json file (in `/etc/docker/daemon.json`). For more details, check out the [documentation](https://docs.docker.com/config/daemon/).
+
 Dependencies
 ------------
 
diff --git a/molecule/with_custom_config/group_vars/all.yml b/molecule/with_custom_config/group_vars/all.yml
index 62cfeaa..76944b0 100644
--- a/molecule/with_custom_config/group_vars/all.yml
+++ b/molecule/with_custom_config/group_vars/all.yml
@@ -6,4 +6,5 @@ install_docker_compose_version: latest
 install_docker_python_packages: true
 install_docker_python_packages_version: latest
 install_docker_users: []
-install_docker_daemon_options: {}
+install_docker_daemon_options:
+  data-root: "/opt/docker"
diff --git a/molecule/with_custom_config/tests/test_default.py b/molecule/with_custom_config/tests/test_default.py
index 1f71c56..9b06a41 100644
--- a/molecule/with_custom_config/tests/test_default.py
+++ b/molecule/with_custom_config/tests/test_default.py
@@ -23,7 +23,7 @@ def test_docker_daemon(host):
     assert docker_daemon_file.user == "root"
     assert docker_daemon_file.group =="root"
     assert docker_daemon_file.mode == 0o644
-    assert docker_daemon_file.contains("{}")
+    assert docker_daemon_file.contains("\"data-root\": \"/opt/docker\"")
 
 def test_docker_interaction(host):
     """Validate interaction with docker."""
@@ -46,4 +46,4 @@ def test_docker_python_package(host):
     pip_packages_list = host.pip.get_packages(pip_path='pip')
     pip_outdated_list = host.pip.get_outdated_packages(pip_path='pip')
     assert 'docker' in pip_packages_list
-    assert 'docker' not in  pip_outdated_list
\ No newline at end of file
+    assert 'docker' not in  pip_outdated_list