Init docker containers as remote hosts

Start docker containers, they will be used as remote hosts

sudo docker-compose up -d
Check ssh connection (optional, password - ansible)

ssh root@localhost -p 5020
Copy local ssh keys to containers

ssh-copy-id -i ~/.ssh/id_rsa.pub root@localhost -p 5020

ssh-copy-id -i ~/.ssh/id_rsa.pub root@localhost -p 5021
Install python in containers (optional, if needed)

ansible -i my-inventory.ini all -m raw -a "apt-get install -y python"
Ping hosts

ansible -i my-inventory.ini docker -m ping

Mongodb