go integration and wikipedia

Dockerfile.topics

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+FROM golang:1.22-alpine AS builder
+
+ENV GOTOOLCHAIN=auto
+
+RUN apk add --no-cache git
+
+WORKDIR /app
+
+COPY backend/go.mod backend/go.sum ./
+RUN go mod download
+
+COPY backend/ ./
+
+RUN CGO_ENABLED=0 GOOS=linux go build -o /bin/topics ./cmd/topics
+
+FROM alpine:3.19
+
+RUN apk add --no-cache ca-certificates tzdata
+
+COPY --from=builder /bin/topics /bin/topics
+
+ENV DB_HOST=db \
+    DB_PORT=5432 \
+    DB_NAME=rss \
+    DB_USER=rss \
+    DB_PASS=rss \
+    TOPICS_SLEEP=10 \
+    TOPICS_BATCH=500
+
+ENTRYPOINT ["/bin/topics"]