Add the possibility to pass extra flags to the docker container

roles/matrix-dimension/defaults/main.yml

@@ -20,6 +20,9 @@ matrix_dimension_user_gid: 1000
 
 matrix_dimension_container_expose_port: false
 
+# A list of extra arguments to pass to the container
+matrix_dimension_container_extra_arguments: []
+
 matrix_dimension_integrations_ui_url: "https://{{ matrix_server_fqn_dimension }}/riot"
 matrix_dimension_integrations_rest_url: "https://{{ matrix_server_fqn_dimension }}/api/v1/scalar"
 matrix_dimension_integrations_widgets_urls: ["https://{{ matrix_server_fqn_dimension }}/widgets"]

roles/matrix-dimension/templates/systemd/matrix-dimension.service.j2

@@ -19,6 +19,9 @@ ExecStart=/usr/bin/docker run --rm --name matrix-dimension \
 			-p 127.0.0.1:8184:8184 \
 			{% endif %}
 			-v {{ matrix_dimension_base_path }}:/data:rw \
+			{% for arg in matrix_dimension_container_extra_arguments %}
+			{{ arg }} \
+			{% endfor %}
 			{{ matrix_dimension_docker_image }}
 ExecStop=-/usr/bin/docker kill matrix-dimension
 ExecStop=-/usr/bin/docker rm matrix-dimension