This is a detailed and in-depth free course by Nana Janashia on her YouTube channel. The course about 4 hours in length and explaining all the Kubernetes basic components including ingress, using Helm etc.
Getting started with Kubernetes on Google Cloud
A series of on-demand videos explaining the usages of Kubernetes, deploying applications, scaling and securing applications etc.
2️⃣ Terraformer: A CLI tool that generates tf/json and tfstate files based on existing infrastructure (reverse Terraform). Very good and useful: lnkd.in/gibKk4U
3️⃣ FREE course at coit.io to build a FULLY automated infrastructure in the AWS Cloud using GitHub, Jenkins, Terraform, and Ansible. Link to the Course is => lnkd.in/gD97mjtS
This is advanced program, and you should know the basics of Terraform and Ansible.