This article is a proof of concept to explore using the Terraform Chef Provisioner and Chef Vault to deploy a Django App on AWS. It should be noted that these technologies have significant caveats. Regarding Terraform Chef Provisioner: “Provisioners should only be used as a last resort. For most common situations there are better alternatives.” (from https://www.terraform.io/docs/provisioners/chef.html) The Terraform Chef Provisioner does not support auto-scaling […]
Packer Blue-Green Deployments
Let’s review a deployment scenario that utilizes Packer, Terraform, Ansible, and AWS Autoscaling. The code is available at https://github.com/sdarwin/packer-blue-green-deployment-example Part 1 – builder.sh To begin with, all the parts of the puzzle will be tied together by a fairly simple bash script, here called builder.sh. The logic is as follows: 1. build a new AMI with Packer. (In other words, run “packer”) 2. deploy the […]