kickstart

service_a/Dockerfile

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+FROM golang:1.25.2-alpine3.22 AS builder
+
+WORKDIR /app
+
+COPY go.mod ./
+COPY server/ ./server/
+
+RUN go mod download
+RUN go build -o /app/service_a ./server/main.go
+
+FROM alpine:latest
+
+WORKDIR /app
+
+COPY --from=builder /app/service_a /app/service_a
+
+EXPOSE 8080
+
+CMD ["/app/service_a"]