重新编译postgres_exporter源码，构建镜像

1.github

https://github.com/prometheus-community/postgres_exporter

 

2.dockerfile

FROM golang:1.17
ENV GO111MODULE=on \
    GOPROXY="https://goproxy.cn,direct"
COPY postgres_exporter-0.10.1 /apps/postgres_exporter-0.10.1
WORKDIR /apps/postgres_exporter-0.10.1
RUN make build
RUN cp /apps/postgres_exporter-0.10.1/postgres_exporter /bin/postgres_exporter
WORKDIR /apps/postgres_exporter-0.10.1
EXPOSE      9187
ENTRYPOINT  [ "/bin/postgres_exporter" ]