Dockerfile: run Icinga 2

Dockerfile

@@ -1 +1,6 @@
-FROM debian:buster-slim
+FROM icinga/icinga2-deps
+
+COPY --chown=icinga:icinga icinga2-bin/ /
+
+USER icinga
+CMD ["icinga2", "daemon"]

action.bash

@@ -34,6 +34,8 @@ mkimg () {
 
 	cd ..
 
+	rm icinga2-bin/etc/icinga2/features-enabled/mainlog.conf
+
 	cache save
 	docker build -f /Dockerfile -t "${TARGET}:$TAG" .
 

deps.Dockerfile

@@ -0,0 +1,5 @@
+FROM debian:buster-slim
+
+RUN ["/bin/bash", "-exo", "pipefail", "-c", "apt-get update; apt-get install --no-install-{recommends,suggests} -y libboost-{context,coroutine,date-time,filesystem,program-options,regex,system,thread}1.67 libedit2 libmariadb3 libpq5 libssl1.1; apt-get clean; rm -vrf /var/lib/apt/lists/*"]
+
+RUN ["adduser", "--system", "--group", "--home", "/var/lib/icinga2", "--disabled-login", "--force-badname", "--no-create-home", "icinga"]