Merge pull request #4 from quintoandar/fix-dockerfile

chore: fix dockerfile

Author: eliasscosta

Dockerfile

@@ -3,15 +3,16 @@ FROM golang:1.19-alpine as build
 WORKDIR ${GOPATH}/src/github.com/quintoandar
 RUN apk update && apk add make git curl && git clone --branch main https://github.com/quintoandar/postgres_exporter.git
 WORKDIR ${GOPATH}/src/github.com/quintoandar/postgres_exporter
-ENV GOARCH=amd64
 RUN make release
 RUN chmod +x postgres_exporter && mv postgres_exporter /tmp/postgres_exporter
 
+
 FROM quay.io/prometheus/busybox:latest as final
-LABEL maintainer="The Prometheus Authors <prometheus-developers@googlegroups.com>"
 
-COPY --from=build ["/tmp/postgres_exporter", "/bin/postgres_exporter" ]
+COPY --from=build ["/tmp/postgres_exporter", "/" ]
+
+WORKDIR /opt/exporter
+
+EXPOSE 9187
 
-EXPOSE     9187
-USER       nobody
-ENTRYPOINT [ "/bin/postgres_exporter" ]
+ENTRYPOINT [ "/postgres_exporter" ]