- If you are using newer go version, enable go modules (env GO111MODULE="on")

- Use nomad <= 0.12.5 (https://releases.hashicorp.com/nomad/0.12.5/nomad_0.12.5_linux_amd64.zip)
 Because otherwise the file format will be defaulted to HCL 2 (>=1.0.0)
 Because otherwise absolute file paths are not allowed (>=0.12.6) (https://www.nomadproject.io/docs/upgrade/upgrade-specific#artifact-and-template-paths)