feat: init update

.gitignore

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+*.exe
+*.prof

go.mod

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+module k8s-example
+
+go 1.25.5

hello/hello.go

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+package hello
+
+import (
+	"net/http"
+)
+
+func HelloHandler(w http.ResponseWriter, r *http.Request) {
+	w.Write([]byte("Hello, World!"))
+}

hello/hello_test.go

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+package hello
+
+import (
+	"testing"
+	"net/http/httptest"
+)
+
+func TestHelloHandler(t *testing.T) {
+	w := httptest.NewRecorder()
+	req := httptest.NewRequest("GET", "/hello", nil)
+	HelloHandler(w, req)
+	expected := "Hello, World!"
+	if w.Body.String() != expected {
+		t.Errorf("Expected %q but got %q", expected, w.Body.String())
+	}
+}

main.go

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+package main
+
+import (
+	"net/http"
+	"k8s-example/hello"
+)
+
+func main() {
+	http.HandleFunc("/hello", hello.HelloHandler)
+	http.ListenAndServe(":8800", nil)
+}