medium10 pts · first answer countsdockercontainer-security

Why use multi-stage builds

What is the main benefit of this multi-stage Dockerfile?

FROM golang:1.23 AS build
WORKDIR /src
COPY . .
RUN CGO_ENABLED=0 go build -o /out/app ./cmd/app

FROM gcr.io/distroless/static-debian12
COPY --from=build /out/app /app
USER nonroot
ENTRYPOINT ["/app"]

A.It makes the Go compiler run faster.B.It lets the container run two processes at the same time.C.It allows the image to be built without a Dockerfile.D.The final image contains only the compiled binary, not the compiler or source, so it is much smaller and has a smaller attack surface.

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Why use multi-stage builds

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