kickstart

service_b/Dockerfile

@@ -0,0 +1,19 @@
+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_b ./server/main.go
+
+FROM alpine:latest
+
+WORKDIR /app
+
+COPY --from=builder /app/service_b /app/service_b
+
+EXPOSE 8090
+
+CMD ["/app/service_b"]

service_b/go.mod

@@ -0,0 +1,3 @@
+module serviceb
+
+go 1.25.2

service_b/server/main.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+)
+
+func main() {
+	mux := http.NewServeMux()
+
+	mux.HandleFunc("GET /hello", func(w http.ResponseWriter, r *http.Request) {
+		log.Println("Received request on /hello endpoint")
+		fmt.Fprintf(w, "Hello world from service B")
+	})
+
+	http.ListenAndServe(":8090", mux)
+}