[zackelan]

If you want a middle ground between hand-written shell scripts and full-blown Kubernetes, we use Hashicorp's Nomad[0] on top of CoreOS at $dayjob and are quite happy with it.

Similar use case - self-hosted VMs, for low-traffic, internal tools, and no need for autoscaling.

I can't speak to how well it integrates with Gitlab's Auto DevOps, but Nomad integrates very well with Terraform[1] and I'd be surprised if there wasn't a way to plug Terraform into Gitlab's process.

0: https://www.nomadproject.io/

1: https://www.terraform.io/