client_golang/Dockerfile

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# This Dockerfile builds an image for a client_golang example.
#
# Use as (from the root for the client_golang repository):
# docker build -f Dockerfile -t prometheus/golang-example .
# Run as
# docker run -P prometheus/golang-example /random
# or
# docker run -P prometheus/golang-example /simple
# Test as
# curl $ip:$port/metrics
# Builder image, where we build the example.
FROM golang:1 AS builder
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WORKDIR /go/src/git.internal/re/client_golang
COPY . .
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WORKDIR /go/src/git.internal/re/client_golang/prometheus
RUN go get -d
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WORKDIR /go/src/git.internal/re/client_golang/examples/random
RUN CGO_ENABLED=0 GOOS=linux go build -a -tags netgo -ldflags '-w'
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WORKDIR /go/src/git.internal/re/client_golang/examples/simple
RUN CGO_ENABLED=0 GOOS=linux go build -a -tags netgo -ldflags '-w'
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WORKDIR /go/src/git.internal/re/client_golang/examples/gocollector
RUN CGO_ENABLED=0 GOOS=linux go build -a -tags netgo -ldflags '-w'
# Final image.
FROM quay.io/prometheus/busybox:latest
LABEL maintainer="The Prometheus Authors <prometheus-developers@googlegroups.com>"
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COPY --from=builder /go/src/git.internal/re/client_golang/examples/random \
/go/src/git.internal/re/client_golang/examples/simple \
/go/src/git.internal/re/client_golang/examples/gocollector ./
EXPOSE 8080
CMD ["echo", "Please run an example. Either /random, /simple or /gocollector"]