target proper alpine binaries for hbs tool

[kspearrin]

Type of change

- [x] Bug fix
- [ ] New feature development
- [ ] Tech debt (refactoring, code cleanup, dependency upgrades, etc)
- [ ] Build/deploy pipeline (DevOps)
- [ ] Other

Objective

I noticed hbs was not working on my Pi 3 machine. We need proper alpine compatible binaries for the hbs tool we are using to generate templated config files. This build adjusts the Dockerfile to pull the proper binaries.

Code changes

• Dockerfile: Target hbs v1.3.0 alpine binaries.

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