Building a docker image for the Broker service

broker-service/broker-service.dockerfile

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+# base go image
+FROM golang:1.22-alpine as builder
+
+RUN mkdir /app
+
+COPY . /app
+
+WORKDIR /app
+
+RUN CGO_ENABLED=0 go build -o brokerApp ./cmd/api
+
+RUN chmod +x /app/brokerApp
+
+# build a tiny docker image
+FROM alpine:latest
+
+RUN mkdir /app
+
+COPY --from=builder /app/brokerApp /app
+
+CMD ["/app/brokerApp"]