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Merge pull request #54 from ringerc/pr-clean-build-dockerfile
dockerfile: Do a clean build in the dockerfile
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* | ||
!pg_exporter | ||
!pg_exporter.yml | ||
!go.mod | ||
!go.sum | ||
!main.go | ||
!exporter | ||
!pg_exporter.yml |
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# syntax=docker/dockerfile:1 | ||
FROM golang:1.22-alpine AS builder-env | ||
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# Build a self-contained pg_exporter container with a clean environment and no | ||
# dependencies. | ||
# | ||
# build with | ||
# | ||
# docker buildx build -f Dockerfile --tag pg_exporter . | ||
# | ||
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WORKDIR /build | ||
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COPY go.mod go.sum ./ | ||
RUN \ | ||
--mount=type=cache,target=/go/pkg/mod \ | ||
--mount=type=cache,target=/root/.cache/go-build \ | ||
CGO_ENABLED=0 GOOS=linux go mod download | ||
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COPY . /build | ||
RUN \ | ||
--mount=type=cache,target=/go/pkg/mod \ | ||
--mount=type=cache,target=/root/.cache/go-build \ | ||
CGO_ENABLED=0 GOOS=linux go build -a -o /pg_exporter . | ||
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FROM scratch | ||
LABEL maintainer="Vonng <[email protected]>" | ||
LABEL org.opencontainers.image.authors="Vonng <[email protected]>, Craig Ringer <[email protected]>" \ | ||
org.opencontainers.image.url="https://github.com/Vonng/pg_exporter" \ | ||
org.opencontainers.image.source="https://github.com/Vonng/pg_exporter" \ | ||
org.opencontainers.image.licenses="Apache-2.0" \ | ||
org.opencontainers.image.title="pg_exporter" \ | ||
org.opencontainers.image.description="PostgreSQL metrics exporter for Prometheus" | ||
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COPY pg_exporter /bin/pg_exporter | ||
WORKDIR /bin | ||
COPY --from=builder-env /pg_exporter /bin/pg_exporter | ||
COPY pg_exporter.yml /etc/pg_exporter.yml | ||
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ENTRYPOINT ["/bin/pg_exporter"] | ||
EXPOSE 9630/tcp | ||
ENTRYPOINT ["/bin/pg_exporter"] |