FROM golang:alpine as builder
WORKDIR /go/src/git.sbruder.de/simon/alertmanager-gotify/
COPY alertmanager-gotify.go .
RUN apk add --no-cache git upx ca-certificates
RUN go get -v \
&& CGO_ENABLED=0 go build -v -ldflags="-s -w" \
&& upx --ultra-brute alertmanager-gotify
FROM scratch
COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
COPY --from=builder /go/src/git.sbruder.de/simon/alertmanager-gotify/alertmanager-gotify /alertmanager-gotify
USER 1000
ENTRYPOINT ["/alertmanager-gotify"]
EXPOSE 8081
