initial

dockerfile

@@ -0,0 +1,22 @@
+FROM alpine as build-pihole-exporter
+
+WORKDIR /build
+
+RUN apk update
+RUN apk add go
+
+ENV GOPATH /build
+RUN go install github.com/eko/pihole-exporter@latest
+
+FROM alpine
+COPY --from=build-pihole-exporter "/build/bin/pihole-exporter" /bin
+
+RUN apk update
+run apk add bash
+
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+ENTRYPOINT ["/bin/bash"]
+
+EXPOSE ${PORT}
+CMD ["/entrypoint.sh"]

entrypoint.sh

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+#!/usr/bin/env bash
+
+pihole_host=${PIHOLE:-pihole}
+pihole_pass=${PASS:-password1234}
+exporter_port=${PORT:-9617}
+
+if [ -n "${PASS_FILE}" ] ; then
+  pihole_pass=$(cat ${PASS_FILE})
+fi
+
+exec /bin/pihole-exporter \
+  -pihole_hostname ${pihole_host} \
+  -pihole_password ${pihole_pass} \
+  -port ${exporter_port}