FROM golang:1.25.3 AS build-stage

WORKDIR /app

COPY go.mod go.sum ./

RUN go mod download

COPY *.go ./

RUN CGO_ENABLED=0 GOOS=linux go build -o /app.bin

from build-stage AS run-tests-stage
RUN go test -v ./

FROM gcr.io/distroless/base-debian11 AS build-release-stage

WORKDIR /

COPY --from=build-stage /app.bin /app.bin

EXPOSE ${LISTEN_PORT}/tcp

USER nonroot:nonroot

ENTRYPOINT ["/app.bin"]
CMD ["-p", "${LISTEN_PORT}"]