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ARG GO_VERSION=1.18
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# STAGE 1: building the executable
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FROM golang:${GO_VERSION}-alpine AS build
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RUN apk add --no-cache git
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RUN apk --no-cache add ca-certificates
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WORKDIR /src
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COPY ./go.mod ./go.sum ./
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RUN go mod download
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COPY ./ ./
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# Build the executable
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RUN CGO_ENABLED=0 go build \
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-installsuffix 'static' \
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-o /app .
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# STAGE 2: build the container to run
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FROM gcr.io/distroless/static AS final
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# copy compiled app
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COPY --from=build --chown=nonroot:nonroot /app /app
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# run binary; use vector form
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ENTRYPOINT ["/app"]
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