unbound: fix healthcheck logging + added fail tolerance to checks (#6004)

* unbound: fix healthcheck logging to stdout + rewrote healthcheck logic

* compose: bump unbound tag

* unbound: fixed healthcheck logic

data/Dockerfiles/unbound/Dockerfile

@@ -5,14 +5,17 @@ LABEL maintainer = "The Infrastructure Company GmbH <info@servercow.de>"
 RUN apk add --update --no-cache \
 	curl \
 	bind-tools \
+	coreutils \
 	unbound \
 	bash \
 	openssl \
 	drill \
 	tzdata \
+	syslog-ng \
+	supervisor \
 	&& curl -o /etc/unbound/root.hints https://www.internic.net/domain/named.cache \
 	&& chown root:unbound /etc/unbound \
-  && adduser unbound tty \
+    && adduser unbound tty \
 	&& chmod 775 /etc/unbound
 
 EXPOSE 53/udp 53/tcp
@@ -21,9 +24,13 @@ COPY docker-entrypoint.sh /docker-entrypoint.sh
 
 # healthcheck (dig, ping)
 COPY healthcheck.sh /healthcheck.sh
+COPY syslog-ng.conf /etc/syslog-ng/syslog-ng.conf
+COPY supervisord.conf /etc/supervisor/supervisord.conf
+COPY stop-supervisor.sh /usr/local/sbin/stop-supervisor.sh
+
 RUN chmod +x /healthcheck.sh
-HEALTHCHECK --interval=30s --timeout=30s CMD [ "/healthcheck.sh" ]
+HEALTHCHECK --interval=30s --timeout=10s \
+  CMD sh -c '[ -f /tmp/healthcheck_status ] && [ "$(cat /tmp/healthcheck_status)" -eq 0 ] || exit 1'
 
 ENTRYPOINT ["/docker-entrypoint.sh"]
-
-CMD ["/usr/sbin/unbound"]
+CMD exec /usr/bin/supervisord -c /etc/supervisor/supervisord.conf