Add basic code

Dockerfile

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+# Start from the official Go image
+FROM golang:1.22-alpine
+
+# Set the working directory inside the container
+WORKDIR /app
+
+# Copy the Go module files
+COPY go.mod ./
+
+# Copy the source code
+COPY main.go ./
+
+# Build the application
+RUN go build -o main .
+
+# Expose port 8080
+EXPOSE 8080
+
+# Run the application
+CMD ["./main"]

go.mod

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+module hello
+
+go 1.22.1

main.go

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+// main.go
+package main
+
+import (
+	"fmt"
+	"net/http"
+)
+
+func handler(w http.ResponseWriter, r *http.Request) {
+	fmt.Fprintf(w, "Hello, World!")
+}
+
+func main() {
+	http.HandleFunc("/", handler)
+	fmt.Println("Server starting on port 8080...")
+	if err := http.ListenAndServe(":8080", nil); err != nil {
+		panic(err)
+	}
+}