computer-playbook/roles/docker-gitlab/vars/main.yml

docker_compose_instance_directory:  "{{path_docker_compose_instances}}gitlab/"
database_instance:                  "gitlab"
database_host:                      "database"
database_databasename:              "gitlab"
database_username:                  "gitlab"
database_password:                  "{{gitlab_database_password}}"
database_version:                   "{{ gitlab_database_version | default(postgres_default_version) }}"