Update dash. Add alerting webhook.

metrics/Makefile

@@ -0,0 +1,22 @@
+.PHONY: all build up update down
+
+# ---------------------------- Docker ----------------------------
+
+all:
+	go test -v ./...
+
+.env:
+	@cp example.env .env
+	@echo "Please edit .env to suit your environment before proceeding"
+	@exit 1
+
+build: .env
+	@docker compose build
+
+up: .env
+	@docker compose up -d --build
+
+update: up
+
+down:
+	@docker compose down