# yum install git ansible docker python-docker-py

or

# yum install epel-release
# yum install docker python-pip git
# pip install -U pip
# pip install ansible docker-compose

or

# yum install yum-utils device-mapper-persistent-data lvm2
# yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
# yum install docker-ce

# git clone https://github.com/ansible/awx.git
# cd awx/installer
# vi inventory

     docker_compose(docker_compose_dir)
     Proxy(http_proxy, https_proxy, no_proxy)
     PostgreSQL(postgres_data_dir)

# ansible-playbook –i inventory install.yml –e postgres_data_dir=/var/lib/pgdocke

http://x.x.x.x/
User: admin / Password : password