Moving setup into its own role, where we just set up the system configuuration for running k3s'

docker-host/roles/setup/templates/prometheus.yml.j2

@@ -0,0 +1,26 @@
+global:
+  scrape_interval: 15s
+  scrape_timeout: 10s
+  evaluation_interval: 15s
+alerting:
+  alertmanagers:
+  - follow_redirects: true
+    enable_http2: true
+    scheme: http
+    timeout: 10s
+    api_version: v2
+    static_configs:
+    - targets: []
+scrape_configs:
+- job_name: prometheus-scraper
+  honor_timestamps: true
+  scrape_interval: 15s
+  scrape_timeout: 10s
+  metrics_path: /metrics
+  scheme: http
+  follow_redirects: true
+  enable_http2: true
+  static_configs:
+  - targets:
+    - localhost:9090
+    - "{{PRIVATE_IP}}":9100

docker-host/roles/setup/templates/proxy.conf.j2

@@ -0,0 +1,6 @@
+server {
+    server_name {{SERVER_NAME}};
+    location / {
+        proxy_pass http://127.0.0.1:{{PORT}};
+    }
+}

docker-host/roles/setup/templates/vault-config.json.j2

@@ -0,0 +1,15 @@
+{
+	"backend": {
+		"file": {
+			"path": "/vault/file"
+		}
+	},
+	"listener": {
+		"tcp": {
+			"address": "0.0.0.0:{{VAULT_PORT}}",
+			"tls_disable": 1
+		}
+	},
+	"ui": true
+}
+