feat: initial setup

- manage nomad jobs
- create makefile
- create gitignore
- manage terragrunt environments
- add build jobs

environments/au-syd1/terragrunt.hcl

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+include "root" {
+  path = find_in_parent_folders("root.hcl")
+}
+
+inputs = {
+  job_files  = [
+    "testapp1",
+    "testapp2",
+  ]
+  policy_files = []
+}
+
+generate "shared_modules" {
+  if_exists = "overwrite"
+  path      = "modules.tf"
+
+  # Dynamically include the shared/modules.tf content
+  contents = file("../../shared/modules.tf")
+}
+
+generate "shared_variables" {
+  if_exists = "overwrite"
+  path      = "variables.tf"
+
+  # Dynamically include the shared/variables.tf content
+  contents = file("../../shared/variables.tf")
+}

environments/root.hcl

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+locals {
+  vault_addr = "https://vault.service.consul:8200"
+  nomad_addr = "https://nomad.service.consul:4646"
+}
+
+generate "backend" {
+  path      = "backend.tf"
+  if_exists = "overwrite_terragrunt"
+  contents = <<EOF
+terraform {
+  backend "consul" {
+    address = "https://consul.service.consul"
+    path    = "infra/terraform/nomad/${path_relative_to_include()}/state"
+    scheme  = "https"
+    lock    = true
+    ca_file = "/etc/pki/tls/certs/ca-bundle.crt"
+  }
+}
+EOF
+}
+
+generate "provider" {
+  path      = "provider.tf"
+  if_exists = "overwrite_terragrunt"
+  contents = <<EOF
+terraform {
+  required_providers {
+    vault = {
+      source  = "hashicorp/vault"
+      version = "~> 4.5.0"
+    }
+    nomad = {
+      source  = "hashicorp/nomad"
+      version = "~> 2.4.0"
+    }
+  }
+}
+
+provider "vault" {
+  address = "${local.vault_addr}"
+}
+provider "nomad" {
+  address = "${local.nomad_addr}"
+  #token = var.nomad_token
+}
+EOF
+}