pprofweb/Dockerfile

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# Extract graphviz and dependencies
FROM golang:1.17.3-bullseye AS deb_extractor
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RUN cd /tmp && \
apt-get update && apt-get download \
graphviz libgvc6 libcgraph6 libltdl7 libxdot4 libcdt5 libpathplan4 libexpat1 zlib1g && \
mkdir /dpkg && \
for deb in *.deb; do dpkg --extract $deb /dpkg || exit 10; done
FROM golang:1.17.3-bullseye AS builder
COPY go.mod go.sum pprofweb.go /go/src/pprofweb/
WORKDIR /go/src/pprofweb
RUN go build --mod=readonly pprofweb.go
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FROM gcr.io/distroless/base-debian11:latest AS run
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COPY --from=builder /go/src/pprofweb/pprofweb /pprofweb
COPY --from=deb_extractor /dpkg /
# Configure dot plugins
RUN ["dot", "-c"]
# Use a non-root user: slightly more secure (defense in depth)
USER nobody
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WORKDIR /
EXPOSE 8080
ENTRYPOINT ["/pprofweb"]