FROM golang:1.27.1-alpine AS build
WORKDIR /src
COPY go.mod go.sum ./
RUN go mod download
COPY . .
RUN CGO_ENABLED=0 go build -trimpath -ldflags="-s -w" -o /out/test-mqtt5 ./cmd/test-mqtt5 \
    && CGO_ENABLED=0 go build -trimpath -ldflags="-s -w" -o /out/device-sim ./cmd/device-sim \
    && CGO_ENABLED=0 go build -trimpath -ldflags="-s -w" -o /out/ui-proxy ./cmd/ui-proxy

FROM build AS test
RUN go test ./... && go vet ./...

FROM alpine:3.22
RUN addgroup -S -g 10001 app && adduser -S -D -H -u 10001 -G app app \
    && apk add --no-cache ca-certificates
COPY --from=build /out/test-mqtt5 /test-mqtt5
COPY --from=build /out/device-sim /device-sim
COPY --from=build /out/ui-proxy /ui-proxy
USER app:app
ENTRYPOINT ["/test-mqtt5"]