It’s not easy sometimes to keep up with all of the latest technology but I have to for my line of work. Thankfully there is a lot of great, free, tutorials across the Internet. I’m going to post a few here which I’ve shared with colleagues.
Official Self Paced Training: https://training.docker.com/self-paced-training
Docker Containers: http://containertutorials.com/
Free Ansible Webinars & Training: https://www.ansible.com/webinars-training
Ansible Tutorials: https://hackr.io/tutorials/ansible
Another Ansible Tutorial: https://codereviewvideos.com/course/ansible-tutorial
Getting Started: https://www.vagrantup.com/docs/getting-started/
Now the following link is not free, but I’ve used this site to gain my knowledge of AWS which has helped me a lot in my job and recommend them highly.