Change entrypoint.

Dockerfile

@@ -11,5 +11,5 @@ COPY apc-deamon.conf /etc/apcupsd/apcupsd.conf
 COPY entrypoint.sh /sbin/entrypoint.sh 
 COPY --from=build /go/bin/apcupsd_exporter /sbin/apcupsd_exporter
 EXPOSE 9162 3551/tcp 3551/udp
-ENTRYPOINT /sbin/entrypoint.sh
+ENTRYPOINT ["sh", "/sbin/entrypoint.sh"]
 

entrypoint.sh

@@ -1,5 +1,6 @@
 #!/bin/sh
 
-/sbin/apcupsd
-
 /sbin/apcupsd_exporter -apcupsd.addr localhost:3551 &
+
+/sbin/apcupsd -b
+