initial commit

backend/Dockerfile

@@ -0,0 +1,14 @@
+# Build stage
+FROM golang:1.22 AS builder
+WORKDIR /app
+COPY go.mod ./
+COPY main.go ./
+RUN go mod tidy
+RUN go build -o backend main.go
+
+# Run stage
+FROM debian:bookworm-slim
+WORKDIR /app
+COPY --from=builder /app/backend .
+EXPOSE 8080
+CMD ["./backend"]

backend/go.mod

@@ -0,0 +1,3 @@
+module backend
+
+go 1.22

backend/main.go

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+package main
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+)
+
+func main() {
+	http.HandleFunc("/api/hello", func(w http.ResponseWriter, r *http.Request) {
+		fmt.Fprintf(w, `{"message": "Hello World from Go!"}`)
+	})
+
+	log.Println("Backend running on :8080")
+	log.Fatal(http.ListenAndServe(":8080", nil))
+}