FROM golang:1.22-alpine as builder

ARG ARG_VERSION
ENV VERSION $ARG_VERSION

WORKDIR /app
COPY . .

FROM builder AS build-test-app
RUN CGO_ENABLED=0 \
    go build -ldflags="-s -w" -o whatismyip ./cmd

FROM scratch AS test
COPY --from=build-test-app /app/whatismyip /usr/bin/
ENTRYPOINT ["whatismyip"]