FROM golang:1.16-alpine as dev-env

RUN apk add --no-cache git gcc musl-dev

WORKDIR /app

FROM dev-env as build-env
COPY go.mod /go.sum /app/
RUN go mod download

COPY . /app/

RUN CGO_ENABLED=0 go build -o /producer

FROM alpine:3.10 as runtime

COPY --from=build-env /producer /usr/local/bin/producer
RUN chmod +x /usr/local/bin/producer

ENTRYPOINT ["producer"]