grafana telegram contact point message template

grafana_telegram_conatact_point.tmpl

{{ define "telegram_message" }}
	  {{ if gt (len .Alerts.Firing) 0 }}
	  <b>🚨 {{ len .Alerts.Firing }} alert(s)</b>
	    {{ range .Alerts.Firing }} {{ template "telegram_alert_firing" .}} {{ end }} {{ end }}
	  {{ if gt (len .Alerts.Resolved) 0 }}
	  <b>✅ {{ len .Alerts.Resolved }} alert(s) resolved:</b>
	    {{ range .Alerts.Resolved }} {{ template "telegram_alert_resolved" .}} {{ end }} {{ end }}
	{{ end }}
	{{ define "telegram_alert_firing" }}
	  <b>🔴 {{ .Labels.alertname }}</b>
	  
	  {{- if .Annotations.summary }}
	  <b>Summary:</b> {{ .Annotations.summary }}
	  {{- end }}
	  
	  {{- if index .Labels "instance" }}
	  <b>Instance:</b> {{ index .Labels "instance" }}
	  {{- end }}
	  {{- if index .Labels "Severity" }}
	  <b>Severity:</b> {{ index .Labels "Severity" }}
	  {{- end }}
	  
	  <b>Value:</b>
	  {{- $value := .Values }}
	  {{- if ne (printf "%.1f" $value.A) "0.0" }}
	  {{ printf "%.1f" $value.A }}
	  {{- end }}
	  {{- if ne (printf "%.1f" $value.B) "0.0" }}
	  {{ printf "%.1f" $value.B }}
	  {{- end }}
	  
	  <a href="https://YOUR_GRAFANA_URL/alerting/silence/new?alertmanager=grafana&matcher=alertname%3D{{ .Labels.alertname }}&orgId=1">silence</a> | <a href="https://YOUR_GRAFANA_URL/d/dashboard_uid?from={{ .StartsAt.Unix }}000&orgId=1&to={{ .EndsAt.Unix }}000">dashboard</a> | <a href="https://YOUR_GRAFANA_URL/d/dashboard_uid?from={{ .StartsAt.Unix }}000&orgId=1&to={{ .EndsAt.Unix }}000&viewPanel=1">panel</a>
	{{ end }}
	{{ define "telegram_alert_resolved" }}
	  <b>🟢 {{ .Labels.alertname }}</b>
	  
	  {{- if .Annotations.summary }}
	  <b>Summary:</b> {{ .Annotations.summary }}
	  {{- end }}
	  
	  {{- if index .Labels "instance" }}
	  <b>Instance:</b> {{ index .Labels "instance" }}
	  {{- end }}
	{{ end }}

{{ template "telegram_message" . }}

based on this answer you can use {{ .DashboardURL }} instead of harcoding url if you defined server url in env

GF_SERVER_ROOT_URL=https://my-domain.com