# ---- Build stage ----
FROM golang:1.22-alpine AS build
WORKDIR /src

COPY go.mod go.sum* ./
RUN go mod tidy && go mod download

COPY . .
RUN CGO_ENABLED=0 GOOS=linux go build -trimpath -ldflags="-s -w" -o /app .

# ---- Runtime stage (distroless) ----
FROM gcr.io/distroless/static-debian12:nonroot
COPY --from=build /app /app

EXPOSE 8080

HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
    CMD ["/app", "-health-check"] 

ENTRYPOINT ["/app"]