Create entrypoint.sh.

Dockerfile

@@ -8,7 +8,8 @@ RUN apk add git --no-cache && \
 FROM alpine:latest
 RUN apk update && apk upgrade && apk add --no-cache libusb apcupsd
 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/apcupsd -b
-CMD /sbin/apcupsd_exporter -apcupsd.addr localhost:3551 &
+ENTRYPOINT /sbin/entrypoint.sh
+

entrypoint.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+/sbin/apcupsd -b &
+
+/sbin/apcupsd_exporter -apcupsd.addr localhost:3551 &