alert

Dockerfile

@@ -1,6 +1,10 @@
 FROM alpine:3.10
 MAINTAINER "f <f@sutty.nl>"
 
+# TODO: We don't want to receive lots of email, so we'll change this to
+# a pingy instance that will also work as a status site.
+ENV EMAIL monit@sutty.nl
+
 # Install monit and remove default config
 RUN apk add --no-cache tini monit && rm -f /etc/monitrc
 

allow_networks.sh

@@ -14,5 +14,8 @@ ip route \
 # Put in place
 mv /etc/monit.d/monit.conf~ /etc/monit.d/monit.conf
 
+# Configure email
+grep -q "${EMAIL}" || echo "set alert ${EMAIL}" >> /etc/monitrc
+
 # Reload config
 monit reload

monitrc

@@ -5,6 +5,8 @@ set pidfile /run/monit.pid
 set idfile /var/lib/monit/id
 set statefile /var/lib/monit/state
 set eventqueue basedir /var/lib/monit/events slots 100
+set mailserver postfix
+set limits { programoutput: 1 MB }
 
 check program allow_networks
   with path "/usr/local/bin/allow_networks"