whatismyip/Dockerfile

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FROM golang:1.17-alpine as builder
ARG ARG_VERSION
ENV VERSION $ARG_VERSION
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WORKDIR /app
COPY . .
RUN apk add make && make build VERSION=$VERSION
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# Build final image
FROM scratch
WORKDIR /app
COPY --from=builder /app/whatismyip /usr/bin/
EXPOSE 8080
ENTRYPOINT ["whatismyip"]