FROM docker.io/library/golang:1.21-alpine AS build

RUN apk add --no-cache git

WORKDIR /go/alertmanager-ntfy

RUN git init && git remote add origin https://github.com/alexbakker/alertmanager-ntfy && git fetch --depth=1 origin 4164649d0ed1c7246d9719cd95d1bc78a51083fa && git checkout -f FETCH_HEAD
RUN go install ./...

FROM scratch

COPY --from=build /go/bin/alertmanager-ntfy /

ENV PATH=/

ENTRYPOINT ["alertmanager-ntfy"]