Replace hello-world with scraper service

services/scraper/Dockerfile

@@ -0,0 +1,15 @@
+# --- Scraper Service Dockerfile ---
+# Multi-stage build for minimal image size
+
+FROM golang:1.26-alpine AS builder
+WORKDIR /app
+COPY go.mod go.sum ./
+RUN go mod download
+COPY . .
+RUN CGO_ENABLED=0 go build -o /scraper .
+
+FROM alpine:3.19
+RUN apk --no-cache add ca-certificates
+COPY --from=builder /scraper /scraper
+EXPOSE 8080
+ENTRYPOINT ["/scraper"]