packer
Reading order: HashiCorp infrastructure tooling
- What Terraform/OpenTofu actually is, and how it works in terraform
- What Packer actually is, and how it works
- What Terraform/OpenTofu, Nomad, and Packer are, and how they relate in terraform
- Terraform state locking just dropped its DynamoDB requirement in terraform
Everything in this topic, oldest first
What Packer actually is, and how it works - 2026-09-17
Second entry in the HashiCorp infrastructure series. Terraform/OpenTofu manages the lifecycle of infrastructure over time; Packer's job stops the moment it hands you a finished image. That single-shot, no-state nature is the thing to understand before anything else about it.
Kickstart, cloud-init and Image Builder are three layers, not three choices - 2026-09-20
Asking which of kickstart, cloud-init or Red Hat Image Builder is the right way to provision a RHEL 9/10 template with Packer sounds like a three-way comparison. Checked against each tool's own documentation, it isn't one — they operate at different moments, and the two that…