Build automated machine images for multiple platforms from a single configuration file

Create images in parallel

Use tools like Chef or Puppet to do the provisioning

Use it along with Continous delivery tools

Launch the instance using the image, test and verify the infrastructure along with the development

Learn about variables and other details of the HCL file

Learn various provisions and builders

Understand the difference between Ansible local and remote builder

Create a docker container image, shell local and remote builder

Create windows AMI

Create and test Vagrant images

Work with post-processors and other components of Hashicorp Packer