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ceph_exporter
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Update Dockerfile with multistage build 

- Gets the image size down to around 60MB
- Bumps up the base image to 16.04
This commit is contained in:
Hunter Nield 2017-06-13 12:58:18 +08:00
parent 80aa3ff0d0
commit 5121d03b6f
1 changed files with 17 additions and 2 deletions
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19
Dockerfile
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@ -1,4 +1,4 @@
FROM ubuntu:14.04
FROM ubuntu:16.04 as builder
MAINTAINER Vaibhav Bhembre <vaibhav@digitalocean.com>
ENV GOROOT /goroot
@ -9,7 +9,7 @@ ENV APPLOC $GOPATH/src/github.com/digitalocean/ceph_exporter
RUN apt-get update && \
apt-get install -y apt-transport-https build-essential git curl
RUN echo "deb https://download.ceph.com/debian-jewel trusty main" >> /etc/apt/sources.list
RUN echo "deb https://download.ceph.com/debian-jewel xenial main" >> /etc/apt/sources.list
RUN apt-get update && \
apt-get install -y --force-yes librados-dev librbd-dev
@ -23,5 +23,20 @@ WORKDIR $APPLOC
RUN go get -d && \
go build -o /bin/ceph_exporter
FROM ubuntu:16.04
MAINTAINER Vaibhav Bhembre <vaibhav@digitalocean.com>
RUN apt-get update && \
apt-get install -y apt-transport-https curl && \
echo "deb https://download.ceph.com/debian-jewel xenial main" >> /etc/apt/sources.list && \
apt-get update && \
apt-get install -y --force-yes librados2 librbd1 && \
rm -rf /var/lib/apt/lists/*
COPY --from=builder /bin/ceph_exporter /bin/ceph_exporter
RUN chmod +x /bin/ceph_exporter
EXPOSE 9128
ENTRYPOINT ["/bin/ceph_exporter"]