HashiStack Loopback: How Does HashiCorp Use the HashiStack?
summary
Engineering Services builds an internal HashiStack running Vault, Consul, Nomad and Terraform (Terraform Cloud / HCP), using Packer-built AMIs, ASGs and a monorepo-ish set of Terraform workspaces. Team boots a production Vault cluster with starter modules, migrates many Heroku apps onto Nomad, and solves two gotchas: Consul ACL token caching fixed by a small script that reloads systemd and updates checks, and HTTP ingress availability fixed by switching Traffic to dynamic ports plus a consul-ec2-albsync bridge to update ALB target groups.
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