diff --git a/alertmanager/alertmanager.yml b/alertmanager/alertmanager.yml
new file mode 100644
index 0000000..3490499
--- /dev/null
+++ b/alertmanager/alertmanager.yml
@@ -0,0 +1,21 @@
+global:
+  resolve_timeout: 5m
+
+route:
+  receiver: "default"
+  group_by: ["alertname", "instance"]
+  group_wait: 30s
+  group_interval: 5m
+  repeat_interval: 3h
+
+receivers:
+  - name: "default"
+    # For now, just log alerts to stdout
+    # Add email, Slack, ntfy, etc. here when ready.
+
+inhibit_rules:
+  - source_match:
+      severity: "critical"
+    target_match:
+      severity: "warning"
+    equal: ["alertname", "instance"]