# syntax=docker/dockerfile:1
FROM --platform=$BUILDPLATFORM golang:1.18-alpine as builder

WORKDIR /app

COPY ../ .

RUN go mod download

ARG TARGETOS TARGETARCH TARGETVARIANT

RUN if [[ $TARGETVARIANT == "v7" ]]; \
then \
export GOARM=7; \
fi; \ 
CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -o /reactor ./cmd/reactor/main.go

FROM alpine

COPY --from=builder /reactor .

ENTRYPOINT [ "./reactor" ]