FROM golang:1.16-alpine AS builder

WORKDIR /go/src/app
COPY . .

RUN CGO_ENABLED=0 GOOS=linux \
	go get -d -v . && \
	go build -a -tags netgo -o b56

FROM scratch

WORKDIR /
COPY --from=builder /go/src/app/b56 .
COPY ./static ./static

EXPOSE 80

CMD ["/b56"]