diff --git a/prometheus/alerta/init.yml b/prometheus/alerta/init.yml
new file mode 100644
index 0000000..a82e8d4
--- /dev/null
+++ b/prometheus/alerta/init.yml
@@ -0,0 +1,2 @@
+classes:
+  - service.prometheus.alerta
diff --git a/prometheus/alertmanager/notification/alerta.yml b/prometheus/alertmanager/notification/alerta.yml
new file mode 100644
index 0000000..816aaf6
--- /dev/null
+++ b/prometheus/alertmanager/notification/alerta.yml
@@ -0,0 +1,20 @@
+parameters:
+  _param:
+    alertmanager_notification_alerta_host: alerta
+    alertmanager_notification_alerta_port: 8080
+  prometheus:
+    alertmanager:
+      enabled: true
+      config:
+        route:
+          routes:
+            alerta:
+              receiver: HTTP-alerta
+              continue: true
+        receiver:
+          HTTP-alerta:
+            enabled: true
+            webhook_configs:
+              alerta:
+                url: "http://${_param:alertmanager_notification_alerta_host}:${_param:alertmanager_notification_alerta_port}/api/webhooks/prometheus"
+                send_resolved: true
diff --git a/prometheus/server/alert/alerta_relabel.yml b/prometheus/server/alert/alerta_relabel.yml
new file mode 100644
index 0000000..a81c59a
--- /dev/null
+++ b/prometheus/server/alert/alerta_relabel.yml
@@ -0,0 +1,19 @@
+parameters:
+  _param:
+    alerta_environment_label: Development
+  prometheus:
+    server:
+      config:
+        alert:
+          labels_add:
+            environment: ${_param:alerta_environment_label}
+        alert_relabel_configs:
+          - replacement: "aggregated"
+            source_labels: "instance"
+            target_label: "instance"
+          - source_labels: ["host", "job"]
+            target_label: "instance"
+            regex: "([a-zA-Z0-9]+;[a-zA-Z0-9_]+)"
+          - source_labels: ["hostname", "job"]
+            target_label: "instance"
+            regex: "([a-zA-Z0-9]+;[a-zA-Z0-9_]+)"