# ws-probe — проверка WebSocket через платформенный ingress Nubes.
# Образ: naeel/iot-ws-probe (Docker Hub, публичный — платформа тянет только публичные).

FROM golang:1.25 AS builder
WORKDIR /workspace
COPY go.mod go.sum ./
RUN go mod download
COPY main.go ./
ARG VERSION=dev
RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -ldflags "-X main.version=${VERSION}" -o ws-probe .

FROM gcr.io/distroless/static:nonroot
WORKDIR /
COPY --from=builder /workspace/ws-probe .
USER 65532:65532
EXPOSE 8080
ENTRYPOINT ["/ws-probe"]