# Dockerfile for discover-svc only
FROM golang:1.24-alpine AS builder

RUN apk add --no-cache git ca-certificates

WORKDIR /app

COPY go.mod go.sum ./
RUN go mod download

COPY . .

RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w" -o /bin/discover-svc ./cmd/discover-svc

# Runtime stage
FROM alpine:3.19

RUN apk add --no-cache ca-certificates tzdata

WORKDIR /app

COPY --from=builder /bin/discover-svc /app/discover-svc

ENV PORT=3002

EXPOSE 3002

HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://localhost:3002/health || exit 1

CMD ["/app/discover-svc"]