# default:
#ARGS=""
-# iank:
-ARGS="--web.listen-address=127.0.0.1:9093"
+# from its README: If running Alertmanager in high availability mode is not
+# desired, setting --cluster.listen-address= prevents Alertmanager from
+# listening to incoming peer requests.
+# Why the fuck is that in the readme, not the docs below?
+# If you don't add that, it will fail to start on boot because
+# it doesn't wait for network.target, and gives this error message:
+# component=cluster err="couldn't deduce an advertise address: no private IP found, explicit advertise addr not provided"
+
+
+ARGS="--cluster.listen-address= --web.listen-address=127.0.0.1:9093"
# this file is from version 0.21